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Rückflussverhinderer für generelle Anwendungen Stagebild

Check valves for potable water applications

Areas of application

water treatment/filtration

shower faucet

pump

kitchen faucet

BeNeLux
Manufacturers
Products
Backflow prevention
Check valves for potable water applications
Insert check valves are suitable for a variety of applications to protect against the backflow of used water. They are easy to install and their use is mandatory as stipulated in numerous standards and regulations.
Product finderContact

Application areas

They are suitable for use in sanitary and technical potable water applications, such as:
  • Pull-out kitchen spray heads
  • Shower handles
  • Pumps (and pump systems)
  • Filters
  • Solenoid valves
  • Water treatment systems
  • Booster pumps
Product range forOEM/Industry
Information on the filters

Product lines

CV & DW valves

CV & DW valves

These cylindrical check valves can be mounted in and against the flow direction.
CV-FR & FR-CV valves

CV-FR & FR-CV valves

These models have an integrated flow regulator and therefore control the flow rate almost independently of the line pressure.
NV & OV valves

NV & OV valves

Installed against flow direction. No additional retention required due to integrated snap-fit tabs. For the NV valves, the o-rings are supplied and fitted separately to avoid damage in certain bore designs.
OF valves

OF valves

The OF models can be installed in and against the flow direction. As they do not have snap-fit tabs, an additional retainer is required for installation.
OD valves

OD valves

These check valves can be installed in and against the flow direction. Thanks to the integrated snap-fit tabs, no additional retainer is required in the application.
Valves with strong spring

Valves with strong spring

These check valves contain strong springs that meet the 7 kPa closing pressure recommended by Australian plumbing standards according to AS/NZS 2845.

Find the right product

Please note that the following information refers to the product range for our OEM/manufacturer customers. For more details, as well as information on worldwide approvals, please see the product listing. To refine your selection, please use the following points as filters.
  • Bore diameter: models from 7 to 50 mm
  • Flow rate: recommended flow range (in liters per minute)
  • Design: There are open and closed cartridges. Open models are available with or without snap-fit tabs. Some models are also available in a short design.
  • Flow regulation: Models with an integrated flow regulator (FR-CV / CV-FR) ensure a virtually constant flow rate even with pressure fluctuations.
  • Max. application temperature: 65 °C (149° F) in continuous operation. For check valves resistant to hot water up to 130°C (266°F), › click here for our range of high-tech valves.
  • Spring: Certain models are available with a strong spring that meet the 7 kPa closing pressure recommended by Australian plumbing standards according to AS/NZS 2845.
Do you need more information? You will find the relevant contact information at the bottom of the page.

Get advice now

Please contact us for help finding the right check valve. Our qualified staff will be happy to assist you with any questions you may have.
Global_Contact_Picto OEM

OEM / manufacturers

  • oem_inquiry@neoperl.com

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