THIS IS WEHOLITE

Weholite is the global leading large diameter plastic pipe. The brand is synonymous around the world with quality, durability and flexibility. Weholite products are used extensively in industry within storm and foul water management, marine applications, potable water applications, packaged pump stations, chambers and infra culverts.

Weholite Technology was developed in 1983 and has since transformed the global market for large diameter plastic pipes. Weholite is a structured wall HDPE pipe or structural panel made from high-density polyethylene (HDPE). With Weholite, raw material properties have been combined with advanced production technology to create a lightweight engineered solution with superior loading capacity that is chemically inert and provides a 120-year design life. Our customers range from major contractors to municipalities and energy companies.

WEHOLITE APPLICATIONS

FEATURES INCLUDE

  • Light weight
  • Flexible
  • Easy to Handle and Install
  • Impact Resistant
  • Durable
  • Superior Hydraulics Properties
  • Fusion Welded Joints
  • Watertight Mechanical joints
  • Abrasion Resistant
  • Corrosion Resistant
  • Environmental Deterioration Resistant
  • Non-Toxic
  • Much lower carbon footprint
  • Environmentally Friendly Production
  • UV-Resistant
  • Reliability
  • 120-year design life (60 years above ground)

UPONOR PROJECT SERVICES

Weholite in the Marine Environment

Weholite is the perfect product for the more demanding marine environment behaving more or less identically to the equivalent solid wall PE pipe.

At Uponor Infra Project Services we have over 60 years’ experience in manufacturing and delivering turnkey projects. We offer a unique best value proposition to the client combining expertise in design, manufacture, installation and project management, adding value to large scale infrastructure projects especially in the extremely demanding marine environment.

Our experience and knowledge of this sector makes us one of the global leaders in this complex field. As your partner we will provide high quality expertise throughout the entire project, with the aim to be acknowledged as a leading contributor to a safely and sustainably built project.

Uponor Project Services are based in Finland and our cooperation with the network of Weholite licensees, allows us to source materials from local manufacturing plants thus delivering expertly value engineered projects all over the World.

OUR OFFERING

  • Design – Calculations and simulations, optimization proposals, design work and drawings using the latest technology finite element analysis. Project Services has a team of experts that can be involved from concept right through to completion. Providing innovation and best value.
  • Documentation – Full support and provision of method statements, risk assessments and operational and maintenance manuals, quality, health & safety and environmental documentation.
  • Manufacturing – Weholite is the World’s leading structured wall pipe and is manufactured in accordance with BS EN 13476, ASTM F894 and other national and international standards on the most reliable machinery in class. It is made from virgin PE100 material in sizes ID DN1200 to ID DN3500 and in a full range of stiffness classes. Special sizes and larger diameters are constantly being developed.
  • Prefabrication – In this new World of offsite build, Project Services will deliver as much material as possible readymade from licensees and Uponor manufacturing plants. Fittings such as bends, shafts, diffusers, intake structures and flanges are manufactured by highly trained staff. Alternatively, and if logistically necessary, production can also take place at the jobsite to provide better value to the end user.
  • Logistics – Expert project management ensures that materials arrive to the job site in a safe and timely manner for compliance with programme requirements. 
  • Jointing – A complete welding service by self-sufficient licensed welding teams that are fully equipped to provide the strongest fusion joint in the industry.
  • Ballasting – Planning and provision of profile filling of the pipelines using the patented Weholite ballasting method, which eliminates the need for concrete collars during installation; drastically lowering the risks and material stresses during the submersion process.
  • Launching – Site Teams are specially trained to set up and use the railway and roller equipment for welding and launching of pipe strings in the water. Alternatively, should the pipeline need lifting then Uponor can provide simulations and site supervision to ensure a safe and reliable launch.
  • Installation supervision – Ensuring that products are being handled and installed properly on site to provide optimum performance and longevity.
  • Types of Marine Projects – Long sea outfalls, intake and outfall pipelines for power plants, desalination plants, refineries, chemical plants, LNG Terminals etc. Intake heads, marine connection chambers made of Wehopanels.
  • Other Projects – Project Services will also provide products and services for other types of projects such as mining applications, hydro-power plants, infrastructure culverts, fish farming vessels and other applications, industrial applications. We are experts at providing holistic solutions based on the client´s demands and on the local environmental conditions and restrictions. We have opened up this field of innovation by developing the HDPE structural walls known as Wehopanels. These have been utilised across the World for the fish farming industry, for renovation of concrete structures and for intake heads and connection chambers. In fact, in the last few years we have built the largest thermoplastic super structures in the World.

With Weholite, Uponor Project Services offers the most comprehensive service in the industry.
TO START A NEW PROJECT, click here.


UPONOR INFRA TECHNOLOGY AND WEHOLITE LICENSING

Weholite Technology was developed in 1983 and has since transformed the global market for large diameter plastic pipes. During that time, Uponor Infra Technology has established a network of successful licensees across the World.

ABOUT UPONOR INFRA TECHNOLOGY

Behind all the best brands, there is a strong team of creative and innovative people that keep driving it onwards to new heights. The team at Uponor Infra Technology is no different. Weholite production machinery has long been regarded as the best in class. It is designed and made in Finland using the highest quality components and to the highest standards Worldwide.

The machinery carries the CE mark and brings with it the quality, reliability and trust that that certification entails. Combine this with Finnish ingenuity and reputation for advanced engineering and you can rest assured in the fact that with Uponor Infra Technology as your partner, you are entering a new dimension.

JOINING THE WEHOLITE FAMILY

Becoming a Weholite licensee can transform your business. Some of our licensees have Weholite as their main business offering while for others it is complimentary to their core business.

Joining the family provides access to an inclusive network of businesses across the globe that are manufacturing Weholite for a variety of different applications. A culture of knowledge transfer and best practices means that new ideas are shared, and support is always available.

JOINING THE WEHOLITE FAMILY

The Weholite pipe production line forms the main part of the licensing agreement and along with equipment for the production of Wehopanels, fittings, joints, field jointing and quality control provides a complete production set-up. The range of equipment can be tailor-made to suit your needs.

Production support from Uponor Infra and other licensees is always available, and the licensing agreement includes support with production set-up, personnel training, different applications and access to continuous production development.

As a Weholite licensee you can use the Weholite trademark, references, internal product standards and manuals, calculation software, product development, quality control and marketing material developed by the wider Weholite family.

The territory in which you operate will be exclusive and defined as part of the agreement.

WEHOLITE BUSINESS OPPORTUNITIES

The Weholite family meets on a regular basis at seminars and working groups to share ideas, promote business expansion and explore opportunities for joint working. The Weholite concept is a fantastic base for pre-fabrications of all kinds and is open to new product ideas from licensees that require a quality, durable, environmentally friendly and economical solution.

  • Weholite HDPE pipe available in sizes up to 3.5m diameter
  • Full business support offered, including training and marketing
  • A wide variety of applications
  • Access to a global network of manufacturers
  • 36 production lines globally
  • Wehopanel manufacturing for rectangular applications

JOIN THE WEHOLITE FAMILY. More information JARI.MYLLARI@UPONOR.COM

Applications

Weholite pipes are made from high density polyethylene – HDPE - and represent a significant contribution in the development of thermoplastic structured wall pipe systems. Weholite has the potential to be transformed into a myriad of different solutions that contribute to what can only be described as true innovation. The list below gives an overview of just some of the potential it has to offer. Mindful of this, before you start your next project, I would urge you to contact us, arrange a factory visit and indulge your inventive spirit. Weholite exists for you, the customer, and together create real value.

  • Applications
  • Applications
  • Applications
  • Applications
  • Applications
  • Applications

WEHOLITE PIPES

  • Culverts for road and rail
  • Slip lining obsolete culverts
  • Stormwater drainage
  • Sanitary networks
  • Surface water run off
  • Perforated pipes
  • Sewer relining
  • Inter-process pipework
  • Marine pipelines
  • Hydro-electric pipeline
  • Ventilation pipework
  • Cooling water intake lines
  • Above ground pipework
  • Sea outfalls

MANHOLES & CHAMBERS

  • Oversize stormwater manholes
  • Oversize Sanitary manholes
  • Access shafts
  • Inspection chambers
  • Flow control chambers
  • Flow meter chambers
  • Valve chambers
  • Wet wells
  • Concrete chamber relining
  • Collection chambers
  • Static screen chambers
  • Backwash chambers
  • Duct and cable pits
  • Separator chambers

POTABLE WATER

  • Potable water tanks
  • Balance tanks
  • Disinfection tanks
  • Buried tanks
  • Above ground tanks
  • Flow control chambers
  • Flow meter chambers
  • Valve chambers
  • Wet wells
  • Concrete chamber relining
  • Aeration tanks
  • Packaged pump chambers

STORMWATER AND WASTEWATER TANKS

  • Septic tanks
  • Storage tanks
  • Packaged treatment plants
  • Buried tanks
  • Above ground tanks
  • Stormwater retention tanks
  • CSO retention tanks
  • Rainwater harvesting tanks
  • Wet wells
  • Concrete tank relining
  • Packaged pumping stations
  • Lift stations
  • Effluent tanks
  • Chemical tanks
  • Flocculation tanks
  • Biogas and anaerobic digestion

CASE STUDIES

Victorian Sewer Upgrade London

Victorian Sewer Upgrade London

Thames Water utilises Weholite technology in multi billion pound Victorian sewer upgrade project
Additional case studies from Asset SDS

READ MORE

Biopower Plant Finland

Biopower Plant Finland

Plastic pipes with the largest diameter in Finnish history are being installed at the biopower plant that is under construction at Keljonlahti in Central Finland. The pipes are to be used as transfer lines for cooling water.

READ MORE

BÅTSTØ NORWAY

BÅTSTØ NORWAY

The village of Båtstø in Hallangen, Norway, is stepping into a new era of green self-sufficiency. More than two hundred of its homes have now been connected to the village’s very own communal wastewater treatment plant.

READ MORE

HYDROPOWER PROJECT CANADA

HYDROPOWER PROJECT CANADA

Hydroelectricity has been used in Canada for more than 100 years and today represents two-thirds of the country’s power generation. While hydroelectric power is not a new concept, using large-diameter high density polyethylene pipe to transport water from a source to the generator is relatively new and is helping increase efficiency standards in construction and operation.

READ MORE

INFRATUNNEL PROTECTS PIPES SWEDEN

INFRATUNNEL PROTECTS PIPES SWEDEN

An almost two-kilometre long infratunnel with an internal diameter of 2.2 metres will house all of the piping needed for the infrastructure of a new city district being added to the southern Swedish city of Linköping. Excavations in the streets and residential areas will soon be history, since all maintenance and installation work will be achievable within the infratunnel.

READ MORE

PLASTIC PIPE WITHSTANDS FINLAND

PLASTIC PIPE WITHSTANDS FINLAND

When Stora Enso’s mills sought a new solution for the transport of process water, the forest industry corporation selected Weholite pipes manufactured from polypropylene. Unlike the concrete channels previously used, polypropylene pipes can withstand hot water that contains chemicals without suffering from corrosion.

READ MORE

ROAD CULVERTS CANADA

ROAD CULVERTS CANADA

Construction and traffic flow smoothly Construction work on the 407ETR highway was completed with minimal disruption to the motoring public.

READ MORE

STORMWATER TANKS FINLAND

STORMWATER TANKS FINLAND

With a bit of good luck, a property can overcome rains without flooding, but fewer and fewer count on such luck. As its stormwater solution, a waste power plant to be built in southern Finland chose one-hundred-metre long Weholite tanks.

READ MORE

SUPER SIZED COOLING PHILIPPINES

SUPER SIZED COOLING PHILIPPINES

The Petron Bataan Refinery (PBR), based in the Philippines, chose Weholite, a high density polyethylene (PE-HD) pipe, for the completion of its cooling water intake and outfall pipelines.

READ MORE

Contact Us

MARINE PROJECTS

TO START A NEW PROJECT, CLICK HERE.

LICENSING

JOIN THE WEHOLITE FAMILY, CLICK HERE.


Latest News

Weholite Licensing Seminar celebrated 40th anniversary in Vaasa and Klobbskat 3-4.10.2023.

The seminar, which was attended by 36 participants from 12 countries, celebrated Weholite's 40th anniversary and provided a forum for sharing knowledge and best practices on the use of Weholite products.

Participants reviewed Weholite markets, new solutions, development, design methods, relevant standards and planned marketing efforts in 22 inspiring presentations over two days.

One of the highlights of the seminar was a tour of Weholite's manufacturing facility, where participants got to see the new Weholite 2200 Retrofit winder and the new hand extrusion welder among others.

The seminar left participants with a strong impression of Weholite's global growth and positive outlook, despite the weakness of the European building sector. The sense of community was also notable, with participants freely sharing discussions and advice in atmosphere of “Weholite family”. The arrangements were excellent completed with the superb weather.

Weholite is celebrating its 40th anniversary with a new Weholite ID 4000mm Winder and many new equipment for the Weholite production.

Uponor Infra, Technology exhibited at K-2022 in Düsseldorf, Germany

On the 19 – 26 October 2022, Uponor Infra, Technology exhibited at K-2022 the leading global trade fair for the plastics and rubber industry in Düsseldorf, Germany.  

The joy of the plastics and rubber industry at finally being able to exchange ideas in person with the new and existing customers on a global level again after three years characterised K-2022 Düsseldorf and ensured an excellent mood among the 3,037 exhibitors and 176,000 visitors. 

Uponor Infra, Technology focused on presenting the latest innovations and applications for the Weholite concept.

The fair was again a complete success for the Uponor Infra, Technology.

Pipe World magazine issue 1/2022 has been published

Pipe World 1/2022 has been published. Enjoy once again reading interesting articles from our Infra units.
​​​​​​​Some highlights:
- The PE-HD retention tanks meet the strictest criteria of durability in the Warsaw West railway station, Poland.​​​​​​​
- WehoPuts wastewater treatment plants ensure results above and beyond the requirements for the village of Överklinten, northern Sweden.
- The changing climate poses ever-greater challenges to water supply.
​​​​​​​Here is the link to the publication 

Pipe World magazine issue 2/2021 has been published

This year's second edition of Uponor Infra's customer magazine, Pipe world, has now been published.

​The magazine is available as pdf (websites) as well as in printed format. We recommend everyone to read all inspiring articles and learn more about:

  • A new Weholite production line to France
  • A new FISHGLOBE was lifted to the sea
  • Sustainable solutions for infrastructure projects

READ THE MAGAZINE FROM THIS LINK >

Weholite License to Kenya (24.10.2019)

Uponor Infra Oy and owners of Plasco Ltd Tanzania have signed a Weholite Licensing Agreement to expand the manufacture of the Weholite pipe in Kenya.

In addition to Uponor Infra’s own production of Weholite, there are licensees in the UK, Iceland, Oman,  Malaysia, Thailand, Japan, Brazil, France, Turkey, Tanzania, Canada and now also in Kenya.

Plasco has been Weholite licensee from the year 2017 and is a Tanzanian manufacturer of HDPE, U-PVC pipes and fittings. New production facilities will be located in Nairobi, Kenya.

The Weholite product line, invented by Uponor Infra (former KWH Pipe) in the 1980s, consists of polyolefine pipe, fittings and fabricated assemblies. The structured-wall PE-HD Weholite pipe is available in various sizes, with inside diameters ranging up to 3500mm.

The pipe is used extensively worldwide in low pressure/gravity service applications for potable water, stormwater, sewage and various other liquids. Weholite fabricated assemblies are designed for special functions, such as manholes, retention tanks and even individual family-sized sewage treatment units for non-urban regions.

The Weholite products are expected to be available from Nairobi factory by the end of 2020.

 

More info about licensing

Uponor Infra, Technology exhibit at K-2019 (24.10.2019)

Uponor Infra, Technology exhibit at K-2019

On the 16 – 23 October 2019, Uponor Infra, Technology exhibited at K 2019, the leading global trade fair for the plastics and rubber industry in Düsseldorf, Germany  

The core focus was around machinery, Weholite applications and licensing.

Approximately 225,000 visitors from 165 countries proved that plastics is still interesting and innovative material.

For Uponor Infra Technology the event was successful and they exhibited stand F26 in Hall 11 as several times in earlier K- shows.

The Weholite family meets up in Vaasa (24.10.2019)

Ideas, experiences and news

The Weholite family meets up in Vaasa

Uponor Infra organised the Weholite seminar in Finland this September. At the seminar, almost all Weholite Licensees from Europe, Asia, Africa and Latin America met up in the coastal city of Vaasa.

During the two-day seminar, they attended many presentations about new products and heard about challenging and interesting projects carried out around the world.

Especially the new innovative products and structures developed with Wehopanel in recent years sparked plenty of interest and discussion. Among other projects, the seminar presented a fish farming facility delivered to FishGLOBE in Norway – it is the world’s largest plastic structure designed for marine conditions.

The seminar also focused on a wide range of issues related to quality, raw materials and recycling. Current themes highlighted by the visiting presenters also inspired lively discussion at the seminar.

Participants were very pleased with how well planned and organised the event was. They praised it as a valuable opportunity to share ideas, thoughts and experiences and to learn new things. In addition to the excellent organisation of the event, the participants appreciated its open, relaxed, enthusiastic and energetic atmosphere. In the words of many of those who attended: it was truly a meeting of the Weholite family!

Some comments from the participants

“I think this was a very well organised seminar. The Weholite Licensees have become a big family, learning together and sharing innovative, creative ideas with each other.”

“It was a pleasure indeed to meet you all at the Weholite seminar in Finland! The wealth of knowledge and experience within the group is immense and extremely valuable. We do hope that this interaction will continue and lead to more collaboration between the Licensees as well as with Uponor to help bring this technology to the world and build the Weholite brand around the world.” 

“Thank you everyone for all the energy that we shared together during these couple of days! I hope it will help each and every one of us to improve our commitment and performance, both within and beyond the Weholite family.”

“Thanks to the whole Uponor staff for organising the Weholite seminar! It was an eye-opening experience for us as a young Licensee in the Uponor family.”

“I think you deserve big congratulations for a fantastic seminar!”

“I would like to thank you for all the Weholite 2019 presentations! Most of the credit goes to everyone who gave such interesting presentations and to the Uponor team for all their hard work.”

Pipe World magazine issue 1/2019 has been published

Light, highly durable and easy-to-install Wehopanel structures can be dimensioned and equipped for various purposes, such as tanks, foundation slabs, support structures and pumping station buildings.

Replacing square concrete structures with Wehopanel solutions does away with the need for complex steel reinforcements, time-consuming mould and demolition work, and weather-sensitive concrete casting.

Read the magazine from this link >

Pipe World 01/2018 for infra professionals has been

This year’s first issue of Uponor Infra's customer magazine, Pipe World, has been published. Pipe World gathers together some of the most interesting cases and stories from Uponor around the world. Here are few highlights from this number:

An amazing century – one hundred-year-old Uponor
The largest prefabricated structure delivered in Sweden
A successful wastewater renovation in only nine days
Fish farming pipes under harsh conditions in the North Atlantic

READ THE MAGAZINE FROM THIS LINK >

Weholite License to Canada (9.9.2018)

Uponor Infra and Wynnchurch Capital, an American private equity firm, signed a business purchase agreement of Uponor Infra's North American business on 31 August 2018. The name of the new company is Infra Pipe Solutions Ltd., which is indirectly owned by Wynnchurch Capital and/or its affiliates.

At the same time Uponor Infra Oy and Infra Pipe Solutions Ltd signed a Weholite Licensing Agreement for the continuous future manufacturing of the Weholite pipes and products for the North American market.

In addition to Uponor Infra’s own production of Weholite, there are licensees in UK, Iceland, Oman, South Africa, Malaysia, Thailand, Japan, Brazil, France, Turkey, Tanzania and now also in Canada.

The Weholite product line, invented by Uponor Infra (former KWH Pipe) in the 1980s, consists of polyolefine pipe, fittings and fabricated assemblies. The structured-wall HDPE Weholite pipe is available in various sizes, with inside diameters ranging up to 3500 mm.

The pipe is used extensively worldwide in gravity/low pressure service applications for drinking water, stormwater, sewage and various other liquids. Weholite fabricated assemblies are designed for special functions, such as manholes, retention tanks and even individual family-sized sewage treatment units for non-urban regions.

Weholite Seminar 2017 (27.10.2017)

The international Weholite seminar 2017 was arranged in Vaasa and Klobbskat, Finland on October 10-11, 2017.

The biannual seminar gives the Weholite family great opportunity to share knowledge and best practices in business, projects, production and other issues related to Weholite. More than 19 presentations highlighted Weholite from different angles taking into consideration also global aspect with geographical differencies.

During the seminar 31 participants from the UK, Brazil, South Africa, France, Turkey, Tanzania, Canada, Poland, Sweden, Norway and Finland contributed to business success of each other.

Weholite Licence to Tanzania (6.9.2017)

Uponor Infra Oy and Plasco Ltd have signed a Weholite Licensing Agreement for the manufacture of the Weholite pipe in United Republic of Tanzania.

In addition to Uponor Infra's own production of Weholite, there are licensees in UK, Iceland, Oman, South Africa, Malaysia, Thailand, Japan, Chile, Brazil, France, Turkey and now also in Tanzania.

Plasco is a Tanzanian manufacturer of HDPE, U-PVC pipes and fittings. Weholite production for Plasco will be carried out in their existing facilities in Dar es Salaam.

The Weholite product line, invented by Uponor Infra (former KWH Pipe) in the 1980s, consists of polyolefine pipe, fittings and fabricated assemblies. The structured-wall HDPE Weholite pipe is available in various sizes, with inside diameters ranging up to 3500 mm.

The pipe is used extensively worldwide in low pressure/gravity service applications for drinking water, storm water, sewage and various other liquids. Weholite fabricated assemblies are designed for special functions, such as manholes, retention tanks and even individual family-sized sewage treatment units for non-urban regions.

The Weholite products are expected to be available from Plasco during the second quarter of 2018. 

Weholite Licence to Turkey (8.5.2017)

Uponor Infra Oy and GEZER Endüstri İnşaat Sanayi ve Ticaret A.Ş have signed a Weholite Licensing Agreement for the manufacture and marketing of the Weholite pipe in Turkey.

In addition to Uponor Infra's own production of Weholite, there are licensees in UK, Iceland, Oman, South Africa, Malaysia, Thailand, Japan, Chile, Brazil, France and now also in Turkey.

Gezer is a Turkish manufacturer of solutions for tanks, manholes and pumping stations. Weholite production for Gezer will be carried out in their existing facilities in Istanbul area.

The Weholite product line, invented by Uponor Infra (former KWH Pipe) in the 1980s, consists of polyolefine pipe, fittings and fabricated assemblies. The structured-wall HDPE Weholite pipe is available in various sizes, with inside diameters ranging up to 3500 mm, which is of great interest of Gezer.

The pipe is used extensively worldwide in low pressure/gravity service applications for drinking water, storm water, sewage and various other liquids. Weholite fabricated assemblies are designed for special functions, such as manholes, retention tanks and even individual family-sized sewage treatment units for non-urban regions.

The Weholite products are expected to be available from Gezer during the first quarter of 2018.

PipeWorld No 1. 2017 (25.4.2017)

Uponor Infra proudly presents new references from all around the world. Read more about how installation-ready Weholite tanks save time and costs and how Weholite meets future sanitary sewer demands

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Weholite Family

 

Please find your closest Weholite partner:
orange means a Weholite licencee and light blue means a Uponor Infra factory.

If you are interested to become a licensing partner, please contact Jari Mylläri for more information.
Mail: jari.myllari@uponor.com

© Uponor