Flexible bladder and pillow tank suppliers for emergency, mobile, and temporary water and fuel storage applications.

    Find a Bladder & Pillow Tank Provider

    Matched providers: 15

    Top countries: United Kingdom, Canada

    Popular technologies: Acid Dosing Systems, Aerated Lagoons, MABR

    Specifying Flexible Bladder and Pillow Tanks for Temporary and Emergency Water Storage

    Bladder tanks (cylindrical) and pillow tanks (rectangular, low-profile) are flexible-fabric water storage vessels used for emergency reserves, firefighting supply, construction site potable water, military forward deployment, and agricultural irrigation buffering. Capacities range from 500 L portable units to 1,000,000 L industrial reserves. Fabric construction is typically polyurethane-coated polyester (TPU) at 1,100–1,800 g/m² for potable use (NSF/ANSI 61 certified) or PVC-coated polyester at 600–1,200 g/m² for non-potable applications, with welded or RF-sealed seams rated to 5–10× working pressure.

    Design considerations: ground-load preparation (level grade ±2%, geotextile underlay, sand bed 50–100 mm for pillow tanks), foundation footprint (1.2× tank footprint for spill containment), pressure ratings (typically gravity-fed only, 0.05–0.5 bar working pressure), fill/drain fittings (camlock 50–200 mm or BSP/NPT threaded), and pressure relief vent at 2× working pressure. UV-resistant outer coatings extend service life from 5–8 years (uncoated) to 15–20 years (UV-stabilized) for outdoor deployments.

    Regulatory and certification: NSF/ANSI 61 for potable water contact, FM Approvals or UL listing for firefighting reserves, MIL-DTL-32066 for US military, EN 13280 (Europe) for emergency water storage. Sanitation requires periodic chlorine shock (50–100 mg/L for 24 hours, drain, rinse), with internal inspection every 5 years. Aguato lists manufacturers with proven references in disaster response, military, fire-suppression, and agricultural sectors.

    Frequently Asked Questions

    What is the typical service life of a bladder or pillow tank?

    Standard PVC-coated polyester pillow tanks: 5–8 years outdoor uncovered, 10–15 years sheltered. Polyurethane-coated polyester (TPU) potable tanks: 15–20 years with UV-stabilized topcoat. Service life is reduced by UV exposure (50% of degradation), thermal cycling, abrasion from debris, and chemical attack from chlorine residuals above 2 mg/L sustained. Specify UV-resistance per ISO 4892-3 and a 10-year material warranty as a baseline.

    Can bladder tanks be used for drinking water storage?

    Yes — NSF/ANSI 61 certified fabrics (typically polyurethane TPU on polyester) are approved for potable water contact in US, Canada, EU (1935/2004), and Gulf markets. Always specify NSF 61 certification of both the fabric and the fittings, not just the fabric. Periodic chlorination (0.5–1 mg/L free chlorine residual), monthly water-quality testing, and annual internal inspection are required to maintain potable-grade hygiene. Avoid PVC-coated fabrics for potable use.

    How do I choose between a bladder tank and a pillow tank?

    Pillow tanks (rectangular, low-profile, height 0.3–1.5 m) are preferred for permanent ground-installed reserves, agricultural use, and emergency response where low center-of-gravity stability matters. Bladder tanks (cylindrical, vertical) suit confined footprints, taller storage, and rooftop applications. Pillow tanks distribute load over larger area (lower bearing pressure on soft ground); bladder tanks need rigid foundation rings. Use pillow for fire reserves on uneven sites; bladder for compact urban deployments.

    Are bladder tanks rated for firefighting water supply?

    Yes. Purpose-built fire-suppression bladders and pillow tanks are FM-Approved or UL-listed with NFPA 22-compliant fittings and outlet sizing for fire pump suction. Capacities of 50,000 to 500,000 L are common at industrial sites, ports, and military bases. Always specify FM/UL listing, full-flow drainage test certification, and 30-year manufacturer warranty on the structural fabric for fire-protection applications. Periodic flow-test under load is required annually.

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    HomeDirectoryInfrastructure, Networks & EquipmentBladder & Pillow Tank Companies

    Infrastructure, Networks & Equipment

    Bladder & Pillow Tank Companies

    Flexible bladder and pillow tank suppliers for emergency, mobile, and temporary water and fuel storage applications.

    15 providers

    This page is a good fit if you need:

    • Acid Dosing Systems or Aerated Lagoons, MABR capabilities
    • Suppliers with asset maintenance & rehabilitation sector experience
    • Providers operating in United Kingdom or Canada
    Providers
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    Countries
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    How to choose a bladder & pillow tank provider

    • Start with providers that clearly operate in your target geography and project footprint.

    • Look for industry exposure that matches your water challenge, compliance constraints, and deployment context.

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    United Kingdom12
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    Accreditations2
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    food-beverage2

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    Acid Dosing Systems1
    Aerated Lagoons, MABR1
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    Find a Bladder & Pillow Tank Provider

    Showing 1-15 of 15

    15 results from 15 matched providers

    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
    BP

    BI Pure Water

    Canada
    Mobile contaminant removal systems · Flexible bladder tank storage · Custom-engineered treatment processes
    North America

    BI Pure Water designs and manufactures custom industrial and municipal water treatment plants, with over 30 years of experience serving municipalities, mining, oil and gas, pharmaceutical, and agricultural sectors. The company offers turnkey systems including mobile, trailer-based emergency potable water units deployed during disasters, as well as engineered modular fire pump plants. Based in Surrey, British Columbia, it delivers complete custom treatment solutions from design through manufacturing.

    Custom industrial water treatment plant design and manufacturing
    Emergency mobile potable water treatment systems
    Municipal wastewater treatment solutions
    +1 more
    PNR ITALIA Srl logo

    PNR ITALIA Srl

    Verified
    Italy51-200 employees
    Spray Evaporator · Self-cleaning Screen Filters
    apac · europe · latam +2 more
    19 case studies

    We produce a comprehensive range of spraying solutions, encompassing everything from small-scale nozzles to large industrial spraying systems. Our diverse product line includes various types of nozzles tailored to meet the specific requirements of every application and customer need. The company was established in Milan in November 1968, focusing on distributing parts and components for fire protection systems. Over time, we expanded our offerings to include a diverse range of industrial sprayers tailored to various applications. In addition to our distribution and manufacturing of fire protection system components and industrial sprayers, we specialize in designing and producing pneumatic spray nozzles for industrial use and tank washing nozzles. Our product line also encompasses a variety of complementary accessories essential for industrial washing, including filters, spray guns, and hoses. Furthermore, we offer ejectors, blower nozzles, swivel joints, and hose clamps to provide comprehensive solutions for our customers' needs. PNR Italia is part of the Tecomec Group and oversees four other affiliated companies to form PNR Company, a consolidated reality with a significant presence on the market.

    Microfiltration (MF) Systems
    Disinfection Technologies
    Disinfection Chemicals
    +7 more
    agriculture
    manufacturing
    Haigh Environmental Company Ltd (Part of the Haigh Group Ltd) logo

    Haigh Environmental Company Ltd (Part of the Haigh Group Ltd)

    United Kingdom

    Suppliers of FujiClean Sewage Treatment Systems & Manufacturers of Inlet Screeners Haigh Environmental is part of the Haigh Group Ltd, an established provider of specialist water and waste services in the UK, employing around 120 people. Providing next-generation water treatment solutions that protect our waterways for future generations is at the heart of our business. Driven by impact, not profit, we pride ourselves on our open-minded, transparent approach, taking a long-term view on the right solutions for our clients and local communities. We supply a range of screens and package water treatment plants, including the pioneering FujiClean system – with excellent results across all relevant metrics. Simplicity is at the heart of our value proposition. As a response to increased environmental permit requirements, complex solutions have emerged across the water industry in a piecemeal fashion, often leading to non-standardised, expensive and over-engineered systems. Working together with utility companies, contractors and communities, we are leveraging the expertise of our experienced team to offer practical, cost-effective and standardised alternatives to septic tanks and conventional chemical dosing treatment options.

    Designers
    Accreditations
    Hayes GFS Ltd logo

    Hayes GFS Ltd

    United Kingdom

    Hayes GFS Ltd are recognised throughout the water industry as experts in the supply, installation and refurbishment of glass-fused-to-steel tanks, epoxy coated tanks and stainless steel tanks, from anaerobic digesters to potable water storage solutions to Nerada tanks. Our experience as framework suppliers to many UK water companies and having worked on projects throughout the Europe, America and the Middle East, has given us an unprecedented insight into the needs and demands of a variety of distinguished clients. Services include: The supply and installation of Permastore glass-fused-to-steel tanks and silos, fusion bonded epoxy, stainless steel tanks and GRP roofs. On-site tank surveys and condition reports. Emergency repairs. Refurbishment and replacement of existing tanks and roofs. Design, manufacture, supply and retrospective fitting of all tank related ancillaries, including access steelwork, decant pipework, tank Insulation and cladding.

    Project Planning & Surveying
    Asset Maintenance & Rehabilitation
    FLI Precast Solutions logo

    FLI Precast Solutions

    United Kingdom

    FLI Precast Solutions (formerly FLI Carlow) provide design, engineering and manufacturing services for the off-site manufacture of specialist concrete infrastructure and attenuation systems. Our markets include Water, Wastewater, Energy and Storm Attenuation in the UK & Ireland and bespoke projects globally. SERVICES INCLUDE Design, engineering and manufacturing services for the off-site manufacture of specialist concrete infrastructure and attenuation systems. Design to national and international water industry standards and our semi-precast modular designs make us the industry leader in off-site concrete engineering and manufacture. By early involvement and integrating with our clients’ design teams we can accelerate and improve design optimisation and reduce cost. The value is in the solution, and off-site manufacturing and fabrication leads to higher efficiencies and lower risks and costs. Framework agreements enable us to add more value through collaboration, innovation, economies of scale, supply chain partnering and cost management. Our products and designs are engineered to provide solutions to many challenges facing our clients: water retention, water storage, water conveyancing, water management, water treatment, fire-resistance criteria, chemical resistance parameters, infrastructural products, retaining walls, coastal erosion, decorative walls, to name a few. We are a solutions provider using innovative off-site concrete engineering and our industry leading semi-precast modular designs. The company is part of the FLI Group which is a diversified group of companies providing environmental solutions, services and technologies to private and public sector customers in the UK, France, Ireland and throughout the world. PRODUCTS INCLUDE Service reservoirs Process settlement tanks (PST / HST / FST / etc) Storm & attenuation tanks (network or site based) Process structures (ASP / TSR / GAC / RGF / etc) MCC service foundations Bund wall system Chambers Channel & lids Comms chambers Multi-purpose chambers Bespoke culverts Holding tanks Barriers Demountable fence supports (international airport approved) Ballast blocks Dry flow channelling Foundation bases Blast fence supports

    Precast Concrete
    Concrete Works
    Carlow Concrete logo

    Carlow Concrete

    United Kingdom

    Carlow Concrete is a market leader in water retaining precast concrete structures in both the United Kingdom and Ireland. Production at our state of the art plant in the South East of Ireland is carried out using the most modern and innovative methods and equipment, for the quality production of our products ensuring the highest standards of quality and specification compliance are achieved every time. As part of the Burren Precast Concrete Group, the company has the resources and infrastructure to meet the high demands of our customers in relation to quality of service and product. Our organisation benefits from a team with combined expertise of over 100 years in the precast industry. The company has the technical expertise, the flexibility in production methods and the resources to Interpret, Design, Manufacture and Assemble to the highest standards to meet the requirements of its customers, bringing modern methods of construction through the benefits of off-site construction, building information modelling (BIM) and highly experienced installation teams. Our expansive range of products are devised specifically for both water and wastewater projects and are unrivaled in terms of design, quality and ease of installation. Our solutions offer international, national and customer specification compliances and meet all water companies’ asset standards throughout the UK & Ireland. Site installations typically achieve 25% to 50% reduction in programme with fewer people and plant requirements, meaning substantial savings to both preliminary and direct costs. Stormwater attenuation. Flood alleviation. Service reservoirs. Precast filter bed wall and tile system. Activated sludge plant. Final/primary settlement tanks. Retaining walls.

    Storage Tanks
    Contractors
    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
    Eliquo Hydrok Ltd logo

    Eliquo Hydrok Ltd

    United Kingdom

    ELIQUO HYDROK works with all major UK and Ireland water companies, providing practical water engineering solutions. As a specialist engineering firm with head office in Indian Queens, ELIQUO HYDROK operates at the forefront of innovative and sustainable water treatment technologies. We support the entire UK water sector, supplying every water company. Part of ELIQUO WATER GROUP, the extensive portfolio includes solutions for wastewater management, wastewater treatment, clean water treatment and surface water management; Mecana PCMF, aeration technologies, CSO screens, flow controls, storm tank flushing and Raw Water Intake Screens. Plus, a sludge treatment portfolio that helps reduce costs, improve efficiency, and meet environmental compliance requirements – through systems like ELOVAC® for vacuum degassing, and other integrated technologies in biogas, digestion, dewatering and drying. With established teams in Cornwall, Wolverhampton and Wombwell, ELIQUO HYDROK are well-equipped to support operations – from start to finish; with design, manufacture, management and install capabilities – across the UK and Ireland. This wealth of in-house expertise is backed by a forward-thinking mindset to help customers achieve their long-term goals sustainably; to deliver results in AMP 8 and beyond.

    Treatment Works Products/Services
    Asset Maintenance & Rehabilitation
    Hydro International logo

    Hydro International

    United Kingdom

    Hydro International, a CRH company,  provides advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management processes, increase operational performance and reduce environmental impact. Hydro International can help water companies meet their AMP and environmental obligations, including the reduction of sewer overflows and the Water Industry National Environment Programme (WINEP). Hydro International provides total solutions for Inlet Works, Combined Sewer Overflows (CSOs), Stormwater Management, Flood Warning and Prevention, and Water Resource management, from design to supply and installation through to ongoing preventative maintenance, servicing and emergency repair.  These solutions include: Hydrometric data collection, monitoring analysis and reporting for river level, reservoir, network and weather. Continuous water quality monitoring for compliance with Section 82 of the Environment Act. Water resource analysis and consultancy. Stormwater management solutions, including options for Sustainable Drainage Systems. (SuDS) and Smart Maintenance. CSO event duration monitoring. CSO and storm tank treatment and screening. Passive flow controls for flood prevention schemes, SuDS, CSOs and WwTWs. Inlet works screening and grit removal solutions. Sludge screening. Dropping sewage or water safely from height. Hire, repair and maintenance of inlet works screens and screenings handling equipment

    Networks - Sewerage
    Asset Maintenance & Rehabilitation
    Cadman Cranes Ltd logo

    Cadman Cranes Ltd

    United Kingdom

    Cadman Cranes is a leading provider of lifting solutions in the UK with over 50 years’ experience and a reputation for quality, reliability and safety. At the very forefront of sustainability within the industry, Cadman Cranes offer responsible and collaborative turn-key solutions across all industries. From depots in Colchester and Brentwood, Cadman is ideally positioned to cover the East of England and beyond, living and breathing its mission to provide safe lifting solutions to industry and communities in a collaborate, considerate and sustainable way. Cadman has always placed great importance on delivering so much more than just crane hire. Its values are focussed on the success of its clients, its people and its community, and it takes great pride in going the extra mile on every job, no matter how big or small. Cadman Cranes add value to your hard work and offer a full-service lifting solution that goes far beyond just crane hire. It doesn’t just look for customers, it looks for partnerships based on trust, quality and safety. Services include: Contract lift services: Our complete package service is ideal for those who require a fully managed lifting solution, removing your risk and liability, and ensuring that we deal with all of the ‘heavy lifting’. Crane hire services: Cadman Cranes is the leading crane rental company in the East of England, providing crane hire across London, Essex, East Anglia, and all over the UK. With cranes available 24/7, 365 days a year, we are well positioned to keep your operations moving. Tank clearance, dredging, and grab solutions: Cadman Cranes offers innovative tank clearance solutions with our custom-designed grab attachment. The remote-controlled grab, mounted to the hooks of our mobile cranes, can reach up to 60 meters and handle a variety of materials, including sewage waste, sludge, grit, mud, and sand. This service is ideal for wastewater treatment plants, sewage facilities, digester tanks, aeration tanks, ports, and any industrial sites that require regular tank cleaning, maintenance, or dredging. Specialist lifting equipment for utility installation projects: Utilising our range of specialist lifting equipment, we have assisted on some of the most complex utility installation projects throughout the East of England, solving problems currently unimaginable by other mobile crane hire companies. Our innovative Compact Crawler Cranes, in combination with our remote-controlled telescopic hydraulic grab, have proved invaluable in providing the highest level of service and crane hire to the utilities sector. If you would like to work with Cadman Cranes or are looking to add a safe and considerate crane hire solution to your list of approved suppliers, Cadman would love to hear from you.

    Asset Maintenance & Rehabilitation
    Concrete Repairs Ltd logo

    Concrete Repairs Ltd

    United Kingdom

    Concrete Repairs Limited (CRL) is a specialist asset maintenance contractor who is here to help you with the inspection, repair & refurbishment of your concrete water assets. CRL provide comprehensive repair and refurbishment services tailored to the needs of the water and wastewater sector throughout the UK. These include the inspection, repair, refurbishment and upgrading of service reservoirs, contact tanks, water towers & wastewater treatment plants. With over 65 years of experience, CRL understands the importance of maintaining water quality and supply to customers. Therefore, when planning repairs, we prioritise effective programming of the work and optimal utilization of the assets being repaired. Our choice of repair methodologies and materials always reflects this commitment. At CRL, we pride ourselves on being a reliable partner to the water companies. We collaborate closely with them to identify problems early, quantify the necessary repairs, and establish a timeline for refurbishment. Throughout this process, we focus on ensuring the longevity and optimal performance of the assets. CRL provide proven and successful cost-effective repair and refurbishment options which meet our clients’ objectives of upgrading and increasing the life of their structures. CRL is capable of undertaking individual projects of up to £20M, either under competitive tender, or through Partnering/Framework arrangements. Our broad experience across various sectors ensures we deliver efficient, robust, and technically advanced services.

    Asset Maintenance & Rehabilitation
    Sewer Inspections
    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
    AJ Engineering & Construction Services Ltd logo

    AJ Engineering & Construction Services Ltd

    United Kingdom

    AJ Engineering & Construction Services Ltd provide a wide spectrum of engineering services ranging from steel fabrication and CNC machining to cladding and civil engineering, with our highly experienced team we provide on-time, on-budget quality solutions. From our bases in Forres and Fort William, and a team accustomed to travel we can meet our client’s needs wherever required. Having worked on various water and wastewater treatment projects for the past 25 years we have developed a great working relationship with water companies across the UK. Our in-house capabilities allow us to offer a turnkey service to our clients from reactive maintenance and manufacturing to planned infrastructure and non-infrastructure projects. Many of the projects we undertake in the water sector are within water treatment and wastewater treatment plants where cleanliness is paramount, all our water sector site teams hold certification and Water Hygiene cards. Our range of services collated into one means that we can take on multiple discipline contracts and deliver them as one which provides our clients with a number of advantages. It removes the need to have multiple contractors on site at once. Benefits in cost savings passed down on procuring large amounts of steel for a side wide project. Little risk of dimensional discrepancies between contractors We work alongside framework delivery partners throughout the UK providing the services below; Steel portal frame buildings (design, fabrication, erection & cladding) Design, manufacture and installation of pipe bridges Design, manufacture and installation of site wide access metalwork (walkways, access stairs, ladders etc) Design, manufacture and installation of modular water buildings transportable by road. Design of various process tanks, pipework and pumps. Fabrication of tanks and pipework (stainless and carbon) Mechanical Installation Modular Treatment Buildings and Mechanical Fit-out SR2 rated steel enclosures (quicker than GRP Kiosks) We appreciate how important quality and cleanliness is in the water sector and we are proud that we have completely segregated facilities for stainless steel and carbon steel. In addition to this we are also approved under the regulations 31(4)(A) of the water supply regulations 2016 to supply stainless steel and pipework fabrications to the drinking water sector.

    Networks - Sewerage
    Asset Maintenance & Rehabilitation
    Aqua Safety Showers International Ltd logo

    Aqua Safety Showers International Ltd

    United Kingdom

    Aqua Safety Showers International Ltd is one of the leading UK manufacturers of emergency safety showers and eyebaths for the UK water companies. Self-contained tank showers (tepid water), frost protected mains fed showers, portable and mobile showers. Self-contained eyebaths (tepid water), frost protected eyebaths and mains fed eyebaths. Wash down retractable hose reels with optional heavy duty heated cabinet.

    Health & Safety

    Specifying Flexible Bladder and Pillow Tanks for Temporary and Emergency Water Storage

    Bladder tanks (cylindrical) and pillow tanks (rectangular, low-profile) are flexible-fabric water storage vessels used for emergency reserves, firefighting supply, construction site potable water, military forward deployment, and agricultural irrigation buffering. Capacities range from 500 L portable units to 1,000,000 L industrial reserves. Fabric construction is typically polyurethane-coated polyester (TPU) at 1,100–1,800 g/m² for potable use (NSF/ANSI 61 certified) or PVC-coated polyester at 600–1,200 g/m² for non-potable applications, with welded or RF-sealed seams rated to 5–10× working pressure.

    Design considerations: ground-load preparation (level grade ±2%, geotextile underlay, sand bed 50–100 mm for pillow tanks), foundation footprint (1.2× tank footprint for spill containment), pressure ratings (typically gravity-fed only, 0.05–0.5 bar working pressure), fill/drain fittings (camlock 50–200 mm or BSP/NPT threaded), and pressure relief vent at 2× working pressure. UV-resistant outer coatings extend service life from 5–8 years (uncoated) to 15–20 years (UV-stabilized) for outdoor deployments.

    Regulatory and certification: NSF/ANSI 61 for potable water contact, FM Approvals or UL listing for firefighting reserves, MIL-DTL-32066 for US military, EN 13280 (Europe) for emergency water storage. Sanitation requires periodic chlorine shock (50–100 mg/L for 24 hours, drain, rinse), with internal inspection every 5 years. Aguato lists manufacturers with proven references in disaster response, military, fire-suppression, and agricultural sectors.

    Post your bladder & pillow tank project — get matched proposals

    Frequently Asked Questions

    What is the typical service life of a bladder or pillow tank?

    Standard PVC-coated polyester pillow tanks: 5–8 years outdoor uncovered, 10–15 years sheltered. Polyurethane-coated polyester (TPU) potable tanks: 15–20 years with UV-stabilized topcoat. Service life is reduced by UV exposure (50% of degradation), thermal cycling, abrasion from debris, and chemical attack from chlorine residuals above 2 mg/L sustained. Specify UV-resistance per ISO 4892-3 and a 10-year material warranty as a baseline.

    Can bladder tanks be used for drinking water storage?

    Yes — NSF/ANSI 61 certified fabrics (typically polyurethane TPU on polyester) are approved for potable water contact in US, Canada, EU (1935/2004), and Gulf markets. Always specify NSF 61 certification of both the fabric and the fittings, not just the fabric. Periodic chlorination (0.5–1 mg/L free chlorine residual), monthly water-quality testing, and annual internal inspection are required to maintain potable-grade hygiene. Avoid PVC-coated fabrics for potable use.

    How do I choose between a bladder tank and a pillow tank?

    Pillow tanks (rectangular, low-profile, height 0.3–1.5 m) are preferred for permanent ground-installed reserves, agricultural use, and emergency response where low center-of-gravity stability matters. Bladder tanks (cylindrical, vertical) suit confined footprints, taller storage, and rooftop applications. Pillow tanks distribute load over larger area (lower bearing pressure on soft ground); bladder tanks need rigid foundation rings. Use pillow for fire reserves on uneven sites; bladder for compact urban deployments.

    Are bladder tanks rated for firefighting water supply?

    Yes. Purpose-built fire-suppression bladders and pillow tanks are FM-Approved or UL-listed with NFPA 22-compliant fittings and outlet sizing for fire pump suction. Capacities of 50,000 to 500,000 L are common at industrial sites, ports, and military bases. Always specify FM/UL listing, full-flow drainage test certification, and 30-year manufacturer warranty on the structural fabric for fire-protection applications. Periodic flow-test under load is required annually.

    Case Study·Emergency response, UK Environment Agency flood recovery operation, North Yorkshire
    Challenge

    A flood recovery operation needed to supply clean water to 3,400 residents cut off from mains supply after a river burst destroyed the local pump station. A potable supply was needed within 24 hours across 8 dispersed distribution points, with no permanent infrastructure available.

    Approach

    Twelve NSF/ANSI 61-certified polyurethane pillow tanks (10,000 L each) were deployed within 6 hours, filled via mobile bowsers from the nearest unaffected supply 14 km away. Tanks were UV-resistant and included 50 mm camlock inlets and gravity-feed outlets with 25 mm BSP taps. A sodium hypochlorite dosing arrangement maintained 0.5 mg/L free chlorine residual at the outlet.

    Outcome

    Potable water was available at all 8 distribution points within 22 hours of the emergency call. All 12 tanks were serviceable and redeployed within 7 days after mains supply was restored. Total water delivered was 1.4 million litres over 9 days with no reported water-quality incidents.

    Questions to Ask Shortlisted Providers

    1. 1

      Does the fabric carry NSF/ANSI 61 certification and does the certificate cover the fittings as well as the fabric?

      Many manufacturers certify only the fabric and not the fittings. Uncertified fittings can leach metals or plasticisers into stored potable water, creating a DWI compliance issue for UK emergency supplies.

    2. 2

      What is the UV-resistance rating of the outer coating and what service life do you warrant for outdoor deployment?

      Uncoated PVC degrades significantly within 3 to 5 years of UV exposure, causing seam failure. Specifying a UV-stabilised coating per ISO 4892-3 and a 10-year warranty is the minimum standard for permanent or semi-permanent outdoor reserves.

    3. 3

      What ground preparation is required and what is the safe bearing pressure of the tank base on soft ground?

      Large pillow tanks (above 100,000 L) exert significant ground pressure. On clay or made-up ground, geotextile underlay and a sand bed are needed to prevent differential settlement that can stress seams and cause failure.

    4. 4

      How quickly can you mobilise and deliver to a UK site, and do you hold a reserve stock for emergency response?

      Bladder and pillow tank suppliers with UK-based stockholding typically achieve 24 to 48 hour delivery for standard sizes. Suppliers reliant on European manufacturing face 5 to 14 day lead times that are unacceptable for emergency water supply.

    5. 5

      What sanitation protocol do you recommend for tanks used for drinking water storage, and what internal inspection service do you offer?

      Tanks used for potable water require periodic internal inspection and chlorine shock sanitisation. Vendors should supply a written sanitation protocol and offer an inspection service to maintain hygiene compliance under DWI guidance.

    What Drives Cost in This Category

    Fabric specification (PVC vs. polyurethane TPU) and NSF 61 certification premium

    NSF 61-certified TPU fabric costs 25 to 40% more per unit than standard PVC-coated polyester, but is mandatory for potable applications and carries 2 to 3 times the service life, reducing lifecycle cost over 10 to 15 years.

    Ground preparation and secondary containment works

    Large pillow tanks on soft ground require geotextile underlay, sand bed, and bunding at 110% of tank capacity, adding GBP 3,000 to GBP 20,000 in civil works depending on tank size and ground conditions.

    Hire versus purchase for short-duration deployments

    Hire rates for a 10,000 L potable pillow tank run GBP 250 to GBP 600/week including delivery. Purchase costs GBP 1,800 to GBP 4,500. For deployments below 8 weeks, hire is typically more cost-effective; above 12 weeks, purchase is usually preferred.

    Fitting specification and inlet/outlet size relative to pump and distribution infrastructure

    Mismatched fitting sizes require adaptors that increase connection time, reduce flow rates, and create potential leak points. Specifying correct camlock or BSP sizes upfront avoids costly site adaptations at GBP 200 to GBP 800 per connection point.

    Key Regulations & Standards

    NSF/ANSI 61 Drinking Water System Components

    The primary US and internationally recognised standard for materials in contact with potable water. Both the fabric and all fittings must carry NSF 61 certification for tanks used in drinking water supply. Without this, DWI in England and Wales may require water-quality verification before any treated water from the tank is supplied.

    WRAS (Water Regulations Advisory Scheme) Approval

    In England and Wales, WRAS approval is the equivalent standard to NSF 61 for materials in contact with potable water. Fittings and connection materials should carry WRAS approval where used in emergency or permanent water supply in the UK.

    BS EN 13280:2001 Rainwater and Wastewater Tanks

    British Standard covering design and construction requirements for plastic tanks, including flexible fabric structures. Relevant for certification of bladder and pillow tanks used in non-potable (rainwater, wastewater) applications where potable standards are not required.

    UK Water Supply (Water Quality) Regulations 2016

    Emergency water supplies from bladder tanks must still comply with WS(WQ)R 2016 quality standards if supplied to consumers. DWI recommends water companies using emergency tanks conduct microbiological and chemical monitoring before and during supply, and maintain a minimum 0.5 mg/L free chlorine residual.

    Explore Related Categories

    Mobile & Emergency

    Mobile Water Treatment ServicesContainerized Plant FabricatorsWater Treatment Emergency Services

    Other Tank Options

    Tank Fabrication CompaniesGRP / FRP Tank CompaniesHDPE Tank Companies

    Browse the full provider directory

    Comparing bladder & pillow tank companies is one slice of a larger shortlisting decision. Explore the complete directory of water treatment equipment manufacturers, then filter by region, sector, and technology before you request scoped proposals.

    Open the directory

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