Valves - polymer materials testing and certification
Kiwa Expert Centre Polymers is your partner for independent testing, certification and quality related services regarding valves and plastic and rubber valve components.
Valves are being used in many applications for the control or actuation of pressure and volume flow of liquids and gases. Depending on the specific service conditions in terms of high or low pressure, temperature range and type of media, valves are constructed using the most suitable materials.
More and more valves are being manufactured in full plastic for reasons of costs, maintenance and service life. For instance when it comes to the handling of highly corrosive media, polymeric materials are the best option. Most used polymeric materials for valve parts like valve bodies, housings, valve discs and shafts are PP, PVC, PPS, PPO, PTFE and PVDF.
For sealing parts like O-rings, U-cups, diaphragms, sealing discs and valve seats, elastomeric materials are used. Most applied rubbers in both plastic and metal valves are EPDM (water), NBR (oil and gas) and FKM (chemical liquids).
As a manufacturer you have to deal with many challenges that come along with product design, specific plastic and rubber compounds and special manufacturing techniques. Nevertheless your client demands high quality products that function properly. Use the best technical support to reach these goals: the experts of the Kiwa Expert Centre Polymers.
Purchasers or end users can rely on our expertise of plastic and elastomers to find confirmation of the quality and reliability of valves in their specific applications.
The Kiwa Expert Centre Polymers delivers many services in the field of valves.
- certification of valves
- testing of physical-mechanical properties of plastuc and rubber valve components
- failure analysis
- service life prediction for specific applications
- independent arbitrations
- consultancy with respect to specifications and requirements for specific applications
- material selections
- inspections and guidance on location
- quality control and validation
Who is this for?
Those who use, produce or specify valves.
When is this needed?
Having questions or problems related to valves.
What to do next
Please contact us for more information
For the approval and certification for drinking water and for gas application we will bring you into contact with the certification department.