Application areas
water treatment/filtration
shower faucet
pump
kitchen faucet
Product range
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.
They are suitable for use in sanitary and technical potable water applications, such as:
These cylindrical check valves can be mounted in and against the flow direction.
These models have an integrated flow regulator and therefore control the flow rate almost independently of the line pressure.
These check valves are installed against the flow direction. Thanks to the integrated snap-fit tabs, no additional retainer is required. The seal is not prefitted on the NV cartridge.
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.
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.
Please note that insert check valves are are not available in every country and for all customer areas. For more details, as well as information on worldwide approvals, please see the product listing. You can select versions with the following features in the product listing:
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.
- Part No. : 303000000
- Bore diameter: 15.1 mm
- Design: Closed
- Flow rate: 0.03 - 0.35 l/s
- Max temperature: permanently 65°/ short term 90°
- Part No. : 310006000
- Bore diameter: 15.1 mm
- Design: Open
- Flow rate: 0.21 - 0.75 l/s
- Max temperature: permanently 65°/ short term 90°
- Part No. : 313001000
- Bore diameter: 15.1 mm
- Design: Closed
- Flow rate: 0.01 - 0.39 l/s
- Max temperature: permanently 65°/ short term 90°
- Part No. : 314015000
- Bore diameter: 15.1 mm
- Design: Closed
- Flow rate: 0.06 - 0.35 l/s
- Max temperature: permanently 65°/ short term 90°
- Part No. : 314114000
- Bore diameter: 14.4 mm
- Design: Closed
- Flow rate: 0.05 - 0.28 l/s
- Max temperature: permanently 65°/ short term 90°
- Part No. : 314201000
- Bore diameter: 8.1 mm
- Design: Open
- Flow rate: 0.03 - 0.12 l/s
- Max temperature: permanently 65°/ short term 90°
- Part No. : 314208000
- Bore diameter: 10.1 mm
- Design: Open
- Flow rate: 0.05 - 0.27 l/s
- Max temperature: permanently 65°/ short term 90°
- Part No. : 314264000
- Bore diameter: 13.1 mm
- Design: Open
- Flow rate: 0.03 - 0.40 l/s
- Max temperature: permanently 65°/ short term 90°
- Part No. : 314285000
- Bore diameter: 7.05 mm
- Design: Open
- Flow rate: 0.015 - 0.13 l/s
- Max temperature: permanently 65°/ short term 90°
- Part No. : 314520000
- Bore diameter: 20.1 mm
- Design: Open
- Flow rate: 0.40 - 1.35 l/s
- Max temperature: permanently 65°/ short term 90°
For more details about installing the check valves as well as about flow rates, operating conditions and materials, please refer to the following datasheets.
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.
With high temperature applications in particular, material stability plays a key role. Neoperl offers check valves that are specially designed for hot water.
Neoperl offers special check valves for use in touchless and thermostatic faucets.
Get an overview of the Neoperl range of backflow prevention products and their respective application areas.