Application areas
heating
solar heater
water treatment/filtration
technical applications
Product range
High tech (HT) check valves are resistant against hot water and certain chemical compositions, e.g. antifreeze and chlorine compounds. Suitable for heating systems and various other applications where hot water or chemicals are involved.
The OF model has no snap-fit tabs, a captive seal and can be installed in both flow directions.
The OV model with snap-fit tabs and captive seal is installed against the flow direction.
The NV model with snap-fit tabs and non-captive seal is installed against the flow direction.
Please note that HT check valves are only available for our OEM/industrial 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.
Do you need help choosing? You will find the relevant contact information at the bottom of the page.
- Part No. : 310012000
- Bore diameter: 20.1 mm
- Design: Open
- Flow rate: 0.40 - 1.35 l/s
- Max temperature: permanently 127°
- Part No. : 310022000
- Bore diameter: 15.1 mm
- Design: Open
- Flow rate: 0.21 - 0.75 l/s
- Max temperature: permanently 127°
- Part No. : 310024000
- Bore diameter: 15.1 mm
- Design: Open
- Flow rate: 0.21 - 0.75 l/s
- Max temperature: permanently 127°
- Part No. : 310028000
- Bore diameter: 25.1 mm
- Design: Open
- Flow rate: 0.43 - 2.12 l/s
- Max temperature: permanently 127°
- Part No. : 310030000
- Bore diameter: 32.1 mm
- Design: Open
- Flow rate: 0.85 - 3.90 l/s
- Max temperature: permanently 127°
- Part No. : 310046000
- Bore diameter: 40.1 mm
- Design: Open
- Flow rate: 1.25 - 6.00 l/s
- Max temperature: permanently 127°
- Part No. : 314335000
- Bore diameter: 13.1 mm
- Design: Open
- Flow rate: 0.03 - 0.40 l/s
- Max temperature: permanently 65°/ short term 90°
- Part No. : 314394000
- Bore diameter: 10.1 mm
- Design: Open
- Flow rate: 0.05 - 0.27 l/s
- Max temperature: permanently 65°/ short term 90°
- Part No. : 314350000
- Bore diameter: 50.1mm
- Design: Open
- Flow rate: 3.40 - 9.00 l/s
- Max temperature: permanently 127°
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.
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.
Here you can discover our full range and the general functions of flow regulators.