HDPE pipe extruders and butt-fusion specialists for water mains, force mains, and trenchless applications.

    Find a HDPE Pipe Provider

    Matched providers: 29

    Top countries: United Kingdom, Belgium

    Popular technologies: Acid Dosing Systems, Aerated Lagoons, MABR

    HDPE Pipe Pressure Ratings, SDR Classification, and Fusion Jointing Standards

    High-Density Polyethylene (HDPE) pressure pipe is manufactured to ISO 4427, EN 12201, or AWWA C906 from PE 80, PE 100, or PE 100-RC resin grades. Pipe dimensions follow the Standard Dimension Ratio (SDR) system: wall thickness equals outside diameter divided by SDR. For PE 100, SDR 11 gives a 16 bar pressure rating and SDR 17 gives 10 bar (20 degrees C, water, 50-year design life per ISO 9080). Minimum Creep Reference Strength (MRS) for PE 100 is 10 MPa; design stress uses a total design coefficient (C) of 1.25. DN 20 to DN 1,200 pipe sizes are standard; above DN 1,200, PE pipe transitions to GRP or steel.

    Butt fusion jointing (ISO 21307) heats pipe ends on a heated plate at 200 to 230 degrees C under controlled pressure, then presses ends together while hot. Fusion parameters (bead size, drag pressure, fusion pressure, cooling time) are recorded and traceable per ISO 12176-4. Bead geometry is inspected visually and by UT; tensile and bend tests per EN 12814 are conducted on sample joints. Electrofusion couplings (ISO 11413) contain embedded resistance wire that fuses the coupler to the pipe wall when energized at 8 to 48 V; used where butt fusion equipment cannot access or for tapping and repair. Both joint types achieve 100 percent of pipe pressure rating.

    HDPE pipe service life is 50 to 100 years in buried water service. Slow crack growth resistance per PE 100-RC (resistance to concentrated point loading) is critical for uneven bedding, trenchless installation (HDD), and close-proximity service loads. PE 100-RC meets ISO 13479 notch test beyond 8,760 hours. Abrasion resistance (for slurry applications) requires SDR 9 or lower (thicker wall). Cost per metre DN 200 SDR 11 HDPE: $20 to $45 supply-only; installed $80 to $160 including fusion and bedding. Specific advantages over ductile iron: no corrosion, no cathodic protection, earthquake resistance (continuous fused pipeline), and lower friction losses (Hazen-Williams C = 150).

    Frequently Asked Questions

    What SDR should I specify for a water main?

    For typical distribution mains at 6 to 10 bar working pressure, SDR 17 (PE 100, 10 bar rating) or SDR 13.6 (12.5 bar) is standard. For transmission mains subject to surge pressures, SDR 11 (16 bar PE 100) provides surge margin and allows for pressure uprating of the system over time. In trenchless (HDD) installations, SDR 11 is typically minimum regardless of pressure, as installation stresses can be 3 to 5 times operating stress. AWWA C906 covers DR 7.3 to DR 32.5 for PE 4710 pipe in the US. Always add 20 percent surge allowance to working pressure before selecting SDR: a 10 bar working pressure line with 3 bar surge should be designed to SDR 17 (10 bar) minimum or SDR 13.6 (12.5 bar) for additional margin.

    How is HDPE pipe joined and how strong is the joint?

    Butt fusion (ISO 21307) is the standard method for DN 63 and above. Properly fused butt joints have tensile strength equal to or greater than the pipe wall, meaning the pipe barrel fails before the joint in a tensile test (required per ISO 12814). Electrofusion couplings (ISO 11413) develop equivalent pressure rating within the coupling zone and are used for tapping, repair, and restricted-access locations. Compression fittings (push-fit stab fittings) are used for service connections DN 20 to DN 63 and are limited to 16 bar. Flanged connections use HDPE stub-end flanges or stainless steel backing rings. All fusion parameters (plate temperature, timing, pressure, operator ID) must be recorded and archived per IGEM TD3 (UK) or equivalent for warranty and traceability.

    Can HDPE pipe be used for hot water or gas?

    HDPE pipe is rated for water service at 20 degrees C with pressure derated at elevated temperatures: at 40 degrees C, derate by 20 percent; at 60 degrees C, derate by 40 percent (PE 100 per ISO 4427 derating curves). For hot water recirculation above 40 degrees C, crosslinked polyethylene (PE-X) or polypropylene-random (PP-R) is preferred. For gas distribution, PE 80 and PE 100 pipe to ISO 4437 or ASTM D2513 is the worldwide standard below DN 630; operating pressure limits: 4 bar (low pressure) up to 10 bar (medium pressure) depending on wall thickness and resin grade. For high-pressure gas (above 10 bar), steel remains standard. Never use water-grade HDPE pipe for gas service without confirming gas-specific resin certification.

    What are the bedding requirements for buried HDPE pipe?

    HDPE pipe, being flexible, relies on the surrounding soil envelope for structural support. Bedding class to BS EN 1610: Class B (granular material, 100 mm below and 300 mm above pipe, compacted to 95 percent Proctor both sides) is minimum for standard installations. Haunching (compaction at the pipe sides from 10 to 5 o'clock positions) is critical - poor haunching causes pipe ovalisation. Deflection at installation must not exceed 5 percent of OD (verified by mandrel test). Minimum cover: 600 mm for non-trafficked areas, 900 mm under roads per PAS 55 and Water UK standards. In trenchless installations (HDD), the pipe is fully surrounded by drilling mud or grout, eliminating bedding concerns but requiring annular space calculations to prevent pipe collapse during pullback.

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    HDPE Pipe Companies

    HDPE pipe extruders and butt-fusion specialists for water mains, force mains, and trenchless applications.

    29 providers

    This page is a good fit if you need:

    • Acid Dosing Systems or Aerated Lagoons, MABR capabilities
    • Suppliers with contractors sector experience
    • Providers operating in United Kingdom or Belgium
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    Find a HDPE Pipe Provider

    Showing 1-20 of 29

    29 results from 29 matched providers

    Wassertek Machinery LLC logo

    Wassertek Machinery LLC

    Verified
    United Arab Emirates1-50 employees
    mea

    WASSERTEK, a Canadian company known for producing high-quality and advanced pipe tools and machinery. Our equipment supports projects in infrastructure, plumbing, gas, water supply, and firefighting systems, including all MEP, HDPE, and GI pipeline works. Our product portfolio includes the following products. • Butt Fusion Welding Machines for HDPE pipes & Fittings up to 2500 MM. ( DVS & ISO standards) • Threading & Grooving Machines for steel pipes and fittings. • Workshop Fabrication Machines for fabricated fittings. • Plastic & Metal Pipe Cutting Saws. • Geo-membrane Wedge Welding Machines • Hand held heating plates. • Socket Welding Machines for PPR pipes. • Extrusion and Hot gas welding machines. • Hydro Test pumps up to 800 Bar.

    Piping Systems and Network Infrastructure
    Maintenance and Support Services
    Pumps and Pumping Systems
    +4 more
    energy-production
    chemicals-pharmaceuticals
    Ecosystems International logo

    Ecosystems International

    Verified
    Indonesia51-200 employees
    Flat Sheet Microfiltration Units · Hollow Fiber MF Systems · Ceramic Microfiltration Modules +80 more
    apac · china · europe +3 more

    PT Ecosystems International (PT ESI) was established at Jakarta on 21st November 2006. We are an industrial effluent treatment systems integrator specializing in electrocoagulation (EC), a unique waste water treatment profile. PT ESI has capabilities in designing complete waste water treatment solutions by combining various effluent treatment systems such as the electro-coagulation, biological, chemical processes and membrane filtration, offering its customers a wide and comprehensive range of solutions, tailored to suit their various needs – ranging from basic effluent treatment for discharge to effluent recycling for water reuse. The Company is experienced in handling the design, engineering, procurement, construction and operation of new Effluent Treatment Plants (“ETP”) and possesses expertise in retrofitting existing ETP to increase the flow rate and treatment capability without any major infrastructure increase PT ESI is also a premier waste water treatment service company specializing in handling waste water generated from Exploration (Drilling) and Produced Water. Customers in Indonesia include major Oil & Gas companies such as Pertamina, Exxon, Chevron, Petro-China and Medco. Operations in Indonesia are provided by both mobile and fixed units. At drill sites where waste-water recycling is required, PT ESI supplement these treatment units with skid mounted mobile Reverse Osmosis systems. The technologies and solutions employed by PT ESI are developed in-house and examples of these are its proprietary Trident™ Electro Contaminant Removal (“ECR”) system, the Stage Contaminant Removal (“SCR”) process and Mobile On-Site Waste-Water Treatment (“OWT”) units

    Reverse Osmosis (RO) Systems
    Ultrafiltration (UF) Systems
    Multi-media Filtration (MMF) Systems
    +63 more
    agriculture
    manufacturing
    DALI - Pipeline Monitoring logo

    DALI - Pipeline Monitoring

    Belgium1-50 employees
    europe

    DALI - Pipeline Monitoring specializes in advanced real-time leak and intrusion detection for pipelines using Distributed Acoustic Sensing (DAS) and fiber optic technology. Their solutions help utility companies and industrial facilities minimize Non-Revenue Water (NRW) losses, reduce waste, and prevent costly incidents, ensuring efficient pipeline management.

    Online/Real-Time Monitoring
    Remote Sensing and Telemetry
    IoT and Smart Monitoring
    Utilities
    Public Administration
    Tehno World logo

    Tehno World

    Romania51-200 employees
    europe

    Tehno World is a leading manufacturer of HDPE and PVC-U pipes, offering innovative and flexible solutions for various industrial applications. Based in Romania, they serve the European market with a focus on construction, utilities, and waste management sectors.

    Piping and Distribution Networks
    Storage Tanks and Reservoirs
    Manufacturing
    Construction and Real Estate
    JK Fabrications Ltd logo

    JK Fabrications Ltd

    United Kingdom

    With over 30 years of experience delivering expertise in the industry, JK Fabrications Ltd has become one of the front runners and will keep challenging ourselves and others to improve our Environment as we believe that; Our Environment, is our Future. At JK Fabrications, we are an engineering company that takes pride in our family roots, with an aim to continue to successfully grow our business. Our company values are incorporated into everything we carry out and we seek to work with like-minded companies. Established in 1998, JK Fabrications specialises in efficent, effective, and environmentally sensitive solutions to the Water Treatment, Waste Water, Waste to Energy, and Pharmaceuticals Industry. With over 30 years of experience delivering expertise in the industry, JK Fabrications has become one of the front runners and will keep challenging ourselves and others to improve our Environment as we believe that ‘Our Environment, is our Future’. With the ease of access to Northern Ireland’s principal motorway network and equal distance between both Belfast Airports and Dublin Airport, JK Fabrications’ 50,000 Sq/ft premises in Newry are the perfect location to produce and deliver your project. Design We have a fully equipped in-house design team with over 65 years of combined technical, manufacturing, and sector-specific experience, that are highly skilled and trained using the very latest design software. Manufacture We have built our reputation by producing specialised products for the waste-to-energy, wastewater, water treatment, and pharmaceutical industries. Our experienced welders and fabricators along with our state-of-the-art machinery make sure that each project is carried out to a high standard. Install We have an experienced installation team with a dedicated core team of engineers, mechanical fitters, and coded welders who have over 30 years of experience in the supply and installation of our fabricated products for a wide range of projects throughout the UK and Ireland. Commission Our experienced commissioning engineers will attend the site to oversee the installation of systems, plants, and equipment. They will commission, test, and optimise the equipment as well as provide the operators with operation and maintenance manuals. Products include: Stainless Steel Pipework | Stainless Steel Vessels (inc Pressure Vessels) | Mild Steel Pipework | Lamellas | Picket Fence Thickeners | Rectangular Bridge Scrapers | Half Bridge Scrapers | Conical Settlement Tanks

    Pipeline & Pipework Products
    Accreditations
    Electrosteel Castings (UK) Ltd logo

    Electrosteel Castings (UK) Ltd

    United Kingdom

    Electrosteel Castings (UK) Ltd is a leading manufacturer of ductile iron pipes, fittings and ancillary pipeline products, supplying companies all around the globe. Our products fully comply with the many international and European standards for conveyance of potable drinking water, raw water and wastewater. We pride ourselves on providing a tailor-made solution that will meet your requirements, whatever the size or nature of your project. Working closely with the rest of the Electrosteel family, Electrosteel UK have the ability to manufacture, source, and consolidate product packages enabling our customers to have a single point of responsibility for the management and delivery of the materials ordered. This in turn ensures effective, on-time project completion and peace of mind. Electrosteel Castings (UK) is part of a company that has been engaged in the water infrastructure business for over fifty years. We cater to a large customer base in the UK, the Indian subcontinent, Southeast Asia, the Middle East, Europe, Africa, and the USA. We have fulfilled more than 10,000 water supply projects in which our ductile iron spun pipes and fittings were implemented. In the UK we produce pipes and fittings in the range DN80mm – DN1000m in accordance with the following European standards: EN 545 for water EN 598 for sewerage

    Treatment Works Products/Services
    Networks - Sewerage
    Waterco logo

    Waterco

    United Kingdom

    Waterco are engineering and environmental consultants providing design and consultancy services relating to water, drainage and flood risk. We have expertise in engineering and environmental disciplines and are supplemented by a network of specialist independent consultants with extensive experience in major development projects throughout the UK. Our focus is on achieving the optimum solution for our clients, meeting their objectives and adding value to their projects. We have gained a reputation for a friendly, professional and flexible approach since our establishment in 1990. Our Services Water industry infrastructure and non-infrastructure projects Pipelines & Sewerage Water & Wastewater Treatment & Systems Pumping Stations Contingency Planning Security Assessments Asset Management Surge Analysis Hydraulic Modelling Flood Risk Assessment Breach Analysis Coastal & Shoreline Analysis Surface Water Management Sustainable Drainage Systems Natural Flood Management/Catchment Approaches Clients and Partners Our clients and partners include water companies, consultants and contractors. Incorporating their experience and knowledge, we investigate and develop practical designs, to help deliver cost-effective solutions. Geographic Coverage We undertake projects all across the UK, with many of our reporting services being desk-based, travelling to site visits and meetings as required. We have also been involved in international projects such as a major development in Lekki, Nigeria. Accreditations We currently have an ISO 9001 : 2015 accredited Quality Management System; have a BS8555 : 2003 certified Environmental Management System; have design approval in the Water Industry Registration Scheme (WIRS); have maintained Investors in People recognition since 2011 and operate an ICE approved training scheme.

    Designers
    Siltbuster Group logo

    Siltbuster Group

    United Kingdom

    Established for over 20 years, the Siltbuster Limited provides rapidly deployable, “modular off the shelf” water treatment solutions to the construction, industrial and municipal markets, with a client base ranging from the world’s most recognisable multi-national corporations to small enterprises. Siltbuster provides a wide range of water and wastewater treatment equipment for the industrial and municipal markets, including: Packaged lamella dissolved air flotation (DAF) units. Lamella clarifiers. Packaged biological treatment systems. Oil/water separators. Pipe flocculators. Reaction tanks. Containerised dosing systems. In the UK, Siltbuster has pioneered the concept of offering this plant through our extensive hire fleet. Approximately 20 major contracts and circa 50 smaller projects are undertaken each year for a diverse range of clients, many of which are some of the UK’s best-known companies. In addition to the industrial/municipal sector, Siltbuster has undertaken a number of mine water treatment projects in many countries, for example, the UK, Ireland, Greece, France, USA, Canada, Australia and Slovakia. The Siltbuster team pride themselves in their ability to react rapidly and in compliance with the project constraints, delivering mobile or permanent solutions tailored to meet your individual needs.

    Treatment Process Technologies
    Asset Maintenance & Rehabilitation
    Stonbury logo

    Stonbury

    United Kingdom

    Stonbury is an agile, direct delivery specialist contractor to both the water industry and wider water environment, with an emphasis on delivering innovative, low carbon and high-quality reliable solutions. Currently holding over 30 Frameworks, we work with most of the UK’s water companies and the EA – either directly or through their major supply chains – to deliver high value, low carbon solutions across their asset estates. This includes works on potable water, wastewater treatment centres and nature-based ‘green’ and ‘grey’ solutions that deliver smart, low carbon environmental engineering. In recognition of the intensified global focus on the effects of carbon emissions and their impact on the climate and biodiversity we have reassessed our Purpose, Vision and Strategic Goals, putting sustainability at the heart of our culture and everything we do.

    Networks - Sewerage
    Asset Maintenance & Rehabilitation
    AE Yates Group logo

    AE Yates Group

    United Kingdom

    Established in 1870, AE Yates is a progressive civil engineering contractor with an enviable track record of successfully delivering technically demanding high quality works to the complete satisfaction of a wide variety of public and private customers. An Integrated Construction Company A E Yates has grown to be an integrated construction company with a turnover of £50m, employing over 170 managerial, professional, technical and operational staff. Our company headquarters, based in Bolton, are strategically located to serve and communicate with clients throughout the United Kingdom with immediate access to road, rail and air transport facilities. We also have an operating base in Sheffield. AE Yates Group The group companies add value for customers not just in their specialism. When working together they can offer an integrated service through resource sharing and joint management of activities. Operational interfaces are removed eliminating potential co-ordination, management and programming issues for customers. AE Yates Civil Engineering Ltd AE Yates Directional Drilling Combined Soil Stabilisation Side Grip Piling SPI Piling Tritech Ground Engineering AE Yates Haulage Equipment and Skills Investment in the development of highly skilled operational teams up to date equipment has reinforced and enhanced our capability in all areas of operations. We own and operate an extensive fleet of general civil engineering and specialist plant and equipment. Experienced and Dedicated We are a highly experienced and respected civil engineering contractor operating to an Integrated Management System which is fully accredited to IS 9001:2015, ISO14001:2015 and ISO45001:2018 by BSI. We are fully committed to meeting the required standards of quality, customer care, environmental awareness, safety, health, time and cost demanded by our clients. We are fully supportive of the UK industry’s drive towards Continuous Improvement, Best Value and Constructing Excellence.

    Renewables & Energy Management
    Contractors
    Greenbank Group logo

    Greenbank Group

    United Kingdom

    A specialist engineering company with a global customer base. Greenbank provides a wide range of products and services to companies operating across a number of industries and is now establishing itself in the clean and wastewater sector. For many years the company has utilised the unique properties of volcanic basalt for lining products used in heavy industries such as power generation and minerals extraction. In partnership with Czech firm Eutit, the company has also been pioneering the use of basalt in the renovation and restoration of sewer systems in central European following a series of successful projects in Prague. As a result of devastating floods, the city’s sewer system was extensively rebuilt and upgraded with basalt being used in a number of key locations to provide a new level of security to the system. More than a decade on, the new system continues to perform well and has set a standard that’s now been followed in other European cities. Well suited for the most demanding of applications, thanks to the partnership between Greenbank and Eutit, a wide range of basalt solutions are now available in the UK market. These include products and systems that bring a wide range of benefits to the industry, including: Basalt tiles that can also be used to line existing brickwork, a more cost-effective solution than full replacement, and their reduced drag co-efficient means improved flow – in effect a smaller-diameter pipe or tunnel lined with basalt can carry a higher volume of water than a larger one with traditional brick surfaces. The effective life expectancy of basalt-lined sewer systems is between 100 and 200 years, thanks to their excellent resistance to abrasion and chemical damage – as well as the rigours of high-pressure water jetting that’s often used to clear unwanted blockages. For larger round or ovoid systems, basalt can be used in the lower sections to deal with the wear and tear with concrete upper sections to provide optimum life performance. Alternatively, steel pipes lined with basalt can be produced up to 3000mm diameter producing a lighter therefore lower cost installation option to thick wall concrete. Ease of installation and reduced maintenance costs make basalt ideal for bottom gutters, branch pipes and tubes and slip-resistant elements for walkways, and Greenbank can also supply bespoke-shaped tiles to meet the unique requirements of individual clients. With manufacturing facilities in Derbyshire and Nottinghamshire, supported by the additional capacity and expertise provided by the latest addition to the group, Franklyn Yates Engineering, Greenbank is well placed to react quickly and efficiently to the needs of new and existing clients.

    SILOTANK logo

    SILOTANK

    United Kingdom

    From industrial water tanks to turnkey odour control systems, we are the only UK manufacturers to offer 3 axis helical filament winding, providing high quality plastic storage tanks to the water and waste, microelectronics, chemical, pharmaceutical, paper & pulp, food processing, drinks and brewery industries. We are a leading manufacturer in the UK and Ireland for chemical, liquid and drinking water storage tanks, bunded storage tanks, process vessels, pressure vessels and environmental systems. Flexible in our approach to business and providing strong technical support, we are dedicated to supplying our customers the high quality product and service that you would expect from a market leader in specialist tanks. We manufacture to design standards BS4994:1987 , BS EN ISO 12573 & DVS2205 using FDA, WRAS and DWI approved materials. Our extensive ‘in house’ capabilities include mechanical engineering design along with chemical process design these activities are supported by a CAD network operating with AutoCAD 2D & Solid Works 3D software, FEA & Laminate Theory Analysis offering clients a complete service. We are innovative and continue to advance using the latest technology and materials used within the industry and have installed a CNC router and laser machine to support business development. RANGE OF EQUIPMENT & SERVICES OFFERED Storage, mixing and process tanks/vessels. Ranging in capacities from 50 litres to 200,000 litres. Tanks are manufactured using a variety of thermoplastics and GRP materials to suit the particular application including HDPE, polypropylene, UPVC/GRP (Aqua Pure – WRAS approved), polypropylene/GRP. The majority of our products are ‘bespoke’ designed and manufactured to suit the clients specific application. Odour and chemical fume scrubbing towers. Our ‘bespoke’ design and manufacture odour or chemical fume abatement equipment to suit most environmental applications. Our site teams are fully trained and able to complete on site installation within Ireland & UK including offloading, positioning, bolting down, assembly of any ancillary access steelwork as well as thermoplastic pipework and ductwork installations.

    Accreditations
    Trant Engineering Ltd logo

    Trant Engineering Ltd

    United Kingdom

    Trant provide high quality engineering and project delivery services to the municipal & industrial process & water treatment markets in the UK and Internationally. We have 60 years’ experience in the successful delivery of complex water, wastewater and process treatment solutions for the main UK process & water companies. We develop innovative, cutting edge process and water solutions using advanced technology. Working closely with our technology partner SFC Umwelttechnik, we are able to utilise proven advanced technology resulting in optimal solutions for our water and process industry clients in the UK and internationally. Our in-house design teams understand the stringent regulatory challenges faced by our clients and ensure that efficiency, resilience and sustainability are factored into all design solutions. Our design studio use the latest software including BIM, augmented and virtual reality to develop and detail high tech treatment process outputs. Our control & automation and offsite manufacturing & assembly facilities enable us to provide full in-house capability from project conception through to commissioning.

    Networks - Sewerage
    Accreditations
    Glenfield Invicta Ltd logo

    Glenfield Invicta Ltd

    United Kingdom

    From concept to completion, Glenfield Invicta’s end-to-end Project Solutions provide market leading valve and penstock engineering excellence, across a multitude of water utility and non-water utility infrastructure projects. The company combines the strength and unique proposition of Invicta’s site solutions, penstocks, and environmental expertise, with Glenfield’s experience and expertise in specifying and managing large Dams, Reservoirs and Hydropower projects. Supported by the vast product portfolio from the AVK Group of manufacturing companies. We are market leaders distinguished by our industry expertise, we have been designing and manufacturing specialist engineered valves and penstocks for more than 170 years. We stand behind every product we install for life, offering some of the best extended warranties in the industry. Our experienced and multi-skilled project team work closely with our partners and key stakeholders to ensure your project is executed to exacting standards. Our long history in designing, supplying, and installing highly engineered valves and pipeline equipment in projects is what sets us apart. Our projects are delivered safely, on time, and to the highest standards in arduous applications. This specialist capability has made the our brands synonymous with engineering excellence worldwide. We have recently invested over £2m in our Kilmarnock facility which extends to over 200,000 sq. ft. of manufacturing, office, warehousing, and education space. It includes a new purpose-built Learning Academy; which will include an interactive visitor centre. We are committed to training the apprentices and engineers of the future.

    Project Planning & Surveying
    Designers
    Costain logo

    Costain

    United Kingdom

    Costain works with water and wastewater companies to shape, create and deliver pioneering solutions that improve water quality, affordability and resilience. Population growth, regulatory changes, energy costs and climate change are having a dramatic impact on water usage. The national approach to managing water supply is changing to meet these challenges. The Government and industry regulator are tasked with cutting wastage and preserving an increasingly valuable resource, while protecting consumers from higher water bills. The water sector team offers: Expert input into consultation documents, close work with Government and water companies and innovative delivery, all of which help to minimise costs to water users while meeting national investment needs. A manufacturing mindset: programme optimisation advisory services, standard product development, production controls, whole-life costing and lean delivery processes. Cross-sector best practice: we provide value for our clients by drawing on experience from across the company and by working closely with our decarbonisation experts to drive regional growth strategies. Technology integration: working with some of the UK’s leading asset and data analytics organisations we analyse large volumes of real time data to create greater benefits for our customers through optimised maintenance, pump operation, energy and chemical usage. Current water industry frameworks: Anglian Water – Strategic Pipeline Alliance Severn Trent Southern Water – CMDP JV Thames Water United Utilities – Maintenance Service Provider Yorkshire Water – Technical Services

    Programme Management
    Contractors
    Active Tunnelling Ltd logo

    Active Tunnelling Ltd

    United Kingdom

    As an industry leader since 1994, Active Tunnelling Ltd (ATL) is the UK’s most experienced independent, micro-tunnelling, auger boring, shaft sinking and pipe jacking company offering a comprehensive range of services to the water and civil engineering industries across the UK & Ireland. More than just a tunnelling company ATL delivers all encompassing projects solutions: whether it is a segmental shaft or complete project management from ‘tunnel’ to final landscaping, ATL delivers flexible, and tailor made solutions to suit any brief. ATL prides itself on its long list of clients that includes amongst others the UK’s leading construction companies and is proud to claim total satisfaction on every job. A dedicated and highly skilled/experienced sixty strong team are at the core of ATL’s success, this weight of experience backed by the UK’s largest independent specialist plant enables ATL to deliver on time every time. Services Our comprehensive range of services allows us to satisfy even the most demanding brief, even with short lead times you can place your trust in us leaving you to focus on other aspects of the project. Tunnelling and pipejacking: 1,000mm – 2,400mm diameter. Micro-tunnelling: 150mm – 900mm diameter. Auger boring: 150mm – 725mm diameter. Grouting. Shaft sinking. Cover slab construction. Timber headings. ATL offer Professional management team with over 30 years experience. Quick mobilisation to site. Technical support/design where required. Achilles UVDB Verify approved company. Quality Assured ISO 9001:2008 Registered Firm Cert. No. A11969. Fast response to enquiries. Fast and efficient service maintaining a high standard of safety. Specialist trenchless plant. A completed project to a high quality at a reasonable price. A willingness to work as one team with all parties to ensure satisfaction.

    Networks - Water Supply
    Contractors
    Intelect logo

    Intelect

    United Kingdom

    At Intelect, we have over 25 years experience in providing engineering expertise to clients in process industries. Intelect have worked with Northumbrian Water and its Tier 1 suppliers and partners for over a decade, and during this time, we have provided services in design, electrical installation, control panels and pipework services. Our attention to detail, quality, and attitude to Health and Safety has been consistently recognised by our clients over the years, with us receiving numerous awards for the projects we have completed. Our flexible workforce of apprentices, engineers and project managers allows us to efficiently complete any project to our client’s requirements. On-going innovation and investment in our business means that we have the latest training and technology to execute high quality engineering projects, from design through to commissioning, all whilst maintaining best practices in Health and Safety. Intelect are committed to working in partnership with both contractors and suppliers within the utility sector, sharing our expertise and knowledge to help support companies who provide utilities to homes and businesses across the North East and the rest of the country.

    Networks - Water Supply
    Contractors
    FT Ductile Ltd logo

    FT Ductile Ltd

    United Kingdom

    Ductile Iron Pipe and Fittings FT Ductile supplies a wide range of high quality, ductile iron pipes, fittings and ancillary products to the water industry for both potable and dirty water. Large stocks at our premises allow us to fulfil many orders on a next-day basis. Whatever the size of project, we can provide a tailor-made solution to include the sourcing, supply, delivery and after sales service. We supply ductile iron pipes in a range of diameters, from 80mm to 1600mm. Over the years, the range of products supplied by FT Ductile has expanded to include everything from ductile iron pipes to flange adaptors and valves. We have a number of exclusive distribution agreements in place and all products conform to DWI standards. Ductile iron pipes are most commonly used for drinking water and sewage distribution, usually lined with cement mortar in order to prevent corrosion over time. The benefit of using ductile iron pipes in potable and waste water systems is that they are stronger and resistant to fracture. FT Ductile has supply chain links with companies in Europe, USA and the Far East which has given us strong foundations for understanding how other cultures and nationalities like to do business. This information is invaluable when we come to export our pipe products and services. Wherever you are based, and whatever you require, from individual items such as valves and fittings, through to more complex orders for lengths of ductile pipe and fittings, we will provide you with our best possible price. And you can rest assured that through our extensive transport links, our products will reach you in a safe and timely manner. To find out more regarding our ductile iron pipes and other products, please feel free to contact us.

    Treatment Works Products/Services
    Networks - Sewerage
    R2M Limited logo

    R2M Limited

    United Kingdom

    At R2M, we are driven by a passion for creating innovative solutions that help build a smarter, more resilient water industry. Our mission is to deliver effective, high-quality products and services to UK water utilities and contractors, continually striving to enhance the nation's water supply for future generations. Founded in 2003 as a supplier of pipes and fittings, R2M quickly earned a reputation for reliability through our extensive product range and robust stock levels—ensuring our customers always had what they needed, when they needed it. Over the years, we have evolved from a trusted supplier into a comprehensive manufacturer and installer too. Today, we offer end-to-end solutions—all under one roof—streamlining the process for our customers and providing exceptional value at every stage. We are proud to be used trusted by all water utilities and contractors across the UK. Since 2019, R2M has proudly been a member of the Hawle Austria Group—a global network of like-minded, quality-focused companies including the likes of Hawle Austria, Erhard, Nova Siria, and Özkan. This partnership gives us exclusive access to a wide portfolio of innovative and proven products from across the group, allowing us to offer tailored solutions that meet the evolving needs of our customers. Being a part of this established and experienced group strengthens our capabilities, expands our product range, and ensures we stay at the forefront of the industry—so our customers always benefit from world-class technologies backed by local expertise. Are you ready to discover how our solutions can support your next project? Get in touch with us today on 01282 778 030.

    Networks - Water Supply
    Asset Maintenance & Rehabilitation
    Industrial Pipework Services logo

    Industrial Pipework Services

    United Kingdom

    At Industrial Pipework Services, we provide bespoke engineering services. With over 25 years’ experience IPS can offer complete mechanical engineering solutions including design, manufacture & installation services. Our experienced workforce are trained to the highest standards. IPS is situated within easy access to the M4 corridor approximately 30 minutes North of Cardiff. The company embraces innovative thinking while utilising the latest technology. IPS operating base comprises of 30,000 square foot of workshops, offices and assembly areas.  The Workshops are fully segregated for the manufacture of both carbon steel and stainless-steel products and are serviced by dedicated overhead gantry cranes. With over two decades of engineering experience the company strives to combine first class engineering and design to deliver the high quality that is required.  The Company maintains a proactive approach, working closely with our Clients to achieve our collective aims for each scheme. This ambition is underpinned by an uncompromising commitment to attain the highest standards of health, safety and environmental care. IPS provides continued excellence in design, manufacturing and installation gained from many years experience within the industry. Our In-House design capability allows the company to provide a full engineering design service using the latest Auto CAD software packages. IPS offers a design service for both pipework and steelwork systems from proposal drawings to the production of as built drawings. IPS Design Office provides all relevant AutoCAD drawings for steelwork and pipework, Isometric drawings for fabrication, general layout drawings for plant and equipment and As Built drawings. Structural steelwork calculations and flow characteristics are also provided as required. IPS offer a full 3D surveying services and production of cloud point data for project modelling. IPS operates primarily within the Water Industry and provides services for both clean water and sewage. IPS is a Tier One Mechanical Engineering Specialists Provider to Dŵr Cymru Welsh Water and the Strategic Alliance. IPS operate nationally and have delivered projects throughout the UK for many Water Utility companies including Anglian Water, Thames Water and Bristol Water. Continual improvement into our infrastructure and the development of new IT systems has brought us to a level consistent with the requirements of our clients. IPS offers a complete project management service, including operation of Principal Contractor role as well as delivering turnkey projects. Experience gained in the water industry has enabled us to manage the competing demands of cost, quality and safety for all our projects.

    Networks - Water Supply
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    HDPE Pipe Pressure Ratings, SDR Classification, and Fusion Jointing Standards

    High-Density Polyethylene (HDPE) pressure pipe is manufactured to ISO 4427, EN 12201, or AWWA C906 from PE 80, PE 100, or PE 100-RC resin grades. Pipe dimensions follow the Standard Dimension Ratio (SDR) system: wall thickness equals outside diameter divided by SDR. For PE 100, SDR 11 gives a 16 bar pressure rating and SDR 17 gives 10 bar (20 degrees C, water, 50-year design life per ISO 9080). Minimum Creep Reference Strength (MRS) for PE 100 is 10 MPa; design stress uses a total design coefficient (C) of 1.25. DN 20 to DN 1,200 pipe sizes are standard; above DN 1,200, PE pipe transitions to GRP or steel.

    Butt fusion jointing (ISO 21307) heats pipe ends on a heated plate at 200 to 230 degrees C under controlled pressure, then presses ends together while hot. Fusion parameters (bead size, drag pressure, fusion pressure, cooling time) are recorded and traceable per ISO 12176-4. Bead geometry is inspected visually and by UT; tensile and bend tests per EN 12814 are conducted on sample joints. Electrofusion couplings (ISO 11413) contain embedded resistance wire that fuses the coupler to the pipe wall when energized at 8 to 48 V; used where butt fusion equipment cannot access or for tapping and repair. Both joint types achieve 100 percent of pipe pressure rating.

    HDPE pipe service life is 50 to 100 years in buried water service. Slow crack growth resistance per PE 100-RC (resistance to concentrated point loading) is critical for uneven bedding, trenchless installation (HDD), and close-proximity service loads. PE 100-RC meets ISO 13479 notch test beyond 8,760 hours. Abrasion resistance (for slurry applications) requires SDR 9 or lower (thicker wall). Cost per metre DN 200 SDR 11 HDPE: $20 to $45 supply-only; installed $80 to $160 including fusion and bedding. Specific advantages over ductile iron: no corrosion, no cathodic protection, earthquake resistance (continuous fused pipeline), and lower friction losses (Hazen-Williams C = 150).

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    Frequently Asked Questions

    What SDR should I specify for a water main?

    For typical distribution mains at 6 to 10 bar working pressure, SDR 17 (PE 100, 10 bar rating) or SDR 13.6 (12.5 bar) is standard. For transmission mains subject to surge pressures, SDR 11 (16 bar PE 100) provides surge margin and allows for pressure uprating of the system over time. In trenchless (HDD) installations, SDR 11 is typically minimum regardless of pressure, as installation stresses can be 3 to 5 times operating stress. AWWA C906 covers DR 7.3 to DR 32.5 for PE 4710 pipe in the US. Always add 20 percent surge allowance to working pressure before selecting SDR: a 10 bar working pressure line with 3 bar surge should be designed to SDR 17 (10 bar) minimum or SDR 13.6 (12.5 bar) for additional margin.

    How is HDPE pipe joined and how strong is the joint?

    Butt fusion (ISO 21307) is the standard method for DN 63 and above. Properly fused butt joints have tensile strength equal to or greater than the pipe wall, meaning the pipe barrel fails before the joint in a tensile test (required per ISO 12814). Electrofusion couplings (ISO 11413) develop equivalent pressure rating within the coupling zone and are used for tapping, repair, and restricted-access locations. Compression fittings (push-fit stab fittings) are used for service connections DN 20 to DN 63 and are limited to 16 bar. Flanged connections use HDPE stub-end flanges or stainless steel backing rings. All fusion parameters (plate temperature, timing, pressure, operator ID) must be recorded and archived per IGEM TD3 (UK) or equivalent for warranty and traceability.

    Can HDPE pipe be used for hot water or gas?

    HDPE pipe is rated for water service at 20 degrees C with pressure derated at elevated temperatures: at 40 degrees C, derate by 20 percent; at 60 degrees C, derate by 40 percent (PE 100 per ISO 4427 derating curves). For hot water recirculation above 40 degrees C, crosslinked polyethylene (PE-X) or polypropylene-random (PP-R) is preferred. For gas distribution, PE 80 and PE 100 pipe to ISO 4437 or ASTM D2513 is the worldwide standard below DN 630; operating pressure limits: 4 bar (low pressure) up to 10 bar (medium pressure) depending on wall thickness and resin grade. For high-pressure gas (above 10 bar), steel remains standard. Never use water-grade HDPE pipe for gas service without confirming gas-specific resin certification.

    What are the bedding requirements for buried HDPE pipe?

    HDPE pipe, being flexible, relies on the surrounding soil envelope for structural support. Bedding class to BS EN 1610: Class B (granular material, 100 mm below and 300 mm above pipe, compacted to 95 percent Proctor both sides) is minimum for standard installations. Haunching (compaction at the pipe sides from 10 to 5 o'clock positions) is critical - poor haunching causes pipe ovalisation. Deflection at installation must not exceed 5 percent of OD (verified by mandrel test). Minimum cover: 600 mm for non-trafficked areas, 900 mm under roads per PAS 55 and Water UK standards. In trenchless installations (HDD), the pipe is fully surrounded by drilling mud or grout, eliminating bedding concerns but requiring annular space calculations to prevent pipe collapse during pullback.

    Case Study·Municipal water distribution
    Challenge

    A South West England water company needed to replace 12 km of aging 200 mm asbestos cement (AC) distribution main in a rural area, with significant sections crossing agricultural land and two minor watercourse crossings. The AC pipe had been experiencing 4 to 6 burst per km per year (above the company's 2 per km per year target) and a DWI inspection highlighted asbestos fibre risk during maintenance activities.

    Approach

    Specified HDPE DN 200 SDR 17 PE 100 to EN 12201 for the full replacement. Butt fusion jointing throughout (no electrofusion couplings in the main line) with fusion parameters recorded and archived per IGEM TD3. Bedding Class B (10 mm single-size granular) to 300 mm above crown. Watercourse crossings done by open-cut with jute erosion matting and turbidity monitoring per EA permit conditions. All fused joints pressure tested in 500 m sections at 1.5 times maximum working pressure (24 bar for 2 hours) before backfilling.

    Outcome

    All 12 km installed and pressure tested within 14 weeks. Zero failed joints on pressure testing. Two years post-installation: burst rate reduced to 0.3 per km per year. DWI confirmed asbestos risk eliminated (AC pipe properly disposed as hazardous waste). Customer interruption minutes fell 85 percent on the replaced zone. Carbon footprint of the replaced network reduced through elimination of cast iron fittings and reduction in emergency repair vehicle callouts.

    Questions to Ask Shortlisted Providers

    1. 1

      What PE 100 resin grade and SDR do you propose, and is the pipe manufactured to EN 12201 with third-party certification (BSI Kitemark or equivalent)?

      PE 100 resin grade determines pressure rating and slow crack growth resistance. EN 12201 certification with BSI Kitemark confirms the pipe meets dimensional and performance requirements. Uncertified pipe may not meet the SDR-quoted pressure rating or the slow crack growth resistance required for trenchless installation. UK water companies require EN 12201 as a minimum specification for all distribution main replacement.

    2. 2

      What is your butt fusion procedure, what equipment will you use, and how will fusion parameters be recorded and archived?

      Joint integrity in an HDPE main depends entirely on correct butt fusion parameters (plate temperature, drag pressure, fusion pressure, cooling time per ISO 21307). Incorrectly fused joints can fail under surge pressure within 1 to 5 years. IGEM TD3 (UK gas industry standard, widely adopted in water) requires all fusion parameters to be logged electronically and archived for the design life of the pipeline. A contractor without electronic fusion logging equipment cannot comply.

    3. 3

      What bedding material and compaction standard do you propose, and how will you verify compaction in the pipe haunch zone?

      HDPE pipe deflection under soil load is critically dependent on haunching quality. The haunch zone (10 o'clock to 5 o'clock from the pipe invert) must be hand-compacted in thin layers. Nuclear density gauge or sand cone testing at every 50 m interval should be specified in the quality plan. Poorly compacted haunching that allows ring deflection above 5 percent OD is the most common cause of HDPE main failure in the first 5 years of service.

    4. 4

      What pressure test protocol do you propose for the installed pipeline, and at what test pressure and duration?

      Pressure testing to 1.5 times maximum working pressure for a minimum of 1 hour (IGEM TD3 or Water UK Specification for the Reinstatement of Openings in Highways) is the standard acceptance test for distribution mains. HDPE is viscoelastic: pressure drop during the test must be distinguished from legitimate thermal contraction versus genuine leakage using the UK Guidance Note for Testing Polyethylene Pipelines (Water UK 2019). A contractor proposing 1 hour at 1.0 times working pressure is using an inadequate protocol.

    5. 5

      How will you manage asbestos cement pipe break-out, and do your operatives hold UKATA asbestos awareness certificates and Category B asbestos removal licences for disturbing AC pipe?

      Asbestos cement pipes contain white asbestos (chrysotile) which must be managed under the Control of Asbestos Regulations 2012. Disturbing AC pipe (breaking out, cutting, handling) releases asbestos fibres. Licensed removal under a HSE asbestos removal licence (Cat B or C) is required for notifiable non-licensed work on water mains. Operatives without UKATA Cat B certification cannot legally carry out AC pipe removal.

    What Drives Cost in This Category

    Pipe diameter and SDR

    HDPE PE 100 DN 200 SDR 17 costs 15 to 25 GBP per metre supply-only. DN 400 SDR 11 costs 60 to 100 GBP per metre. Installation cost (trench, bedding, fusion, backfill, reinstatement) adds 80 to 200 GBP per metre depending on ground conditions, traffic management, and reinstatement standard. Road reinstatement to Specification for the Reinstatement of Openings in Highways (SROH) typically costs 150 to 400 GBP per m2 of carriageway.

    Fusion jointing versus mechanical coupling

    Butt fusion using a hydraulic rig costs 50 to 120 GBP per joint in labour and equipment time (excluding fittings). Electrofusion couplings cost 50 to 200 GBP per unit material cost plus 30 to 60 GBP per joint installation. Mechanical compression fittings (for service connections) cost 30 to 100 GBP per fitting. Over-specifying electrofusion where butt fusion is feasible adds 30 to 50 GBP per joint without additional reliability benefit.

    Trench complexity and ground conditions

    Open-cut installation in open agricultural land costs 80 to 150 GBP per metre. Urban open-cut with traffic management adds 80 to 200 GBP per metre in traffic management costs alone. Rock excavation adds 100 to 300 GBP per metre over soil trench cost. Trenchless installation (HDD) for watercourse or road crossings costs 800 to 3,000 GBP per metre but eliminates the need for open-cut traffic management and environmental mitigation at crossings.

    Asbestos cement removal and disposal

    Existing AC main break-out and disposal adds 30 to 80 GBP per metre of licensed asbestos removal (labour, RPE, double-bagging, manifests). Disposal to licensed hazardous waste site adds 300 to 600 GBP per tonne (AC pipe weighs approximately 30 to 80 kg per metre depending on diameter). For a 12 km DN 200 AC main replacement, asbestos disposal cost is typically 40,000 to 100,000 GBP.

    Key Regulations & Standards

    EN 12201:2021 -- HDPE Pipe for Water Supply (European Standard)

    EN 12201-2 (pipe) and EN 12201-3 (fittings) are the European standards for HDPE pressure pipe for water supply. They specify PE 100 resin requirements, dimensional tolerances by SDR class, slow crack growth resistance (minimum 500 h in the notched pipe test), and rapid crack propagation resistance. UK water company procurement requires EN 12201 as the baseline with BSI Kitemark or equivalent third-party product certification.

    Water Industry Act 1991 -- Water Main Adoption and Specification

    New or replacement water mains must comply with the Water Industry Act 1991 Section 51 and meet the standards required by the relevant water company for adoption. Water UK's Model Specification for Sewers, Drains, and Water Mains and individual company standards (Thames Water, Severn Trent, Yorkshire Water) specify pipe material, bedding class, pressure test protocol, and tracing wire requirements for all new mains. Pipes that do not meet the company specification may not be adopted as public mains.

    Control of Asbestos Regulations 2012 -- AC Pipe Removal and Disposal

    Removing, breaking out, or disturbing asbestos cement water mains is notifiable non-licensed work (NNLW) under the Control of Asbestos Regulations 2012 for most sizes. HSE notification is required at least 14 days before work starts on NNLW projects of significant duration. Operatives must hold current asbestos awareness training (UKATA Cat B for NNLW). Removed AC pipe must be double-bagged, labelled as asbestos waste, and disposed of at a licensed hazardous waste facility with a completed consignment note (Environment Agency waste transfer note).

    BS EN 1610:2015 -- Construction and Testing of Drains and Sewers

    Although primarily a sewer standard, BS EN 1610 bedding classes (A through E) and trench backfill compaction requirements are referenced in UK water company standards for distribution main construction. Bedding Class B (granular, 100 mm below and 300 mm above pipe crown, 95 percent Proctor compaction in haunch zone) is the standard for HDPE water mains in non-rocky conditions. Pressure testing after installation follows IGEM TD3 (adapted for water) or Water UK's guidance on testing polyethylene pipelines.

    Explore Related Categories

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