WEH® Check Valves for every application
Securely block backflows – with WEH® Check Valves
Whether in hydraulics, pneumatics, gas supply, or process automation – check valves are essential for precisely directing media flow and safely stopping backflow. WEH offers an extensive standard range of high-performance check valves as well as customized solutions.
- High tightness
- Long service life
- Available in stainless steel, steel, or brass
- Wide variety of media and pressure ranges
- Numerous connection options
Maximum tightness & safety
Valve seals located outside the media flow protect against damage – ensuring reliable tightness even with dirty media.
Durable & robust
Made from wear-resistant, corrosion-resistant materials – ideal for demanding applications with liquids and gases.
Low noise & efficient
Minimal opening pressures and flow-optimized design for quiet, energy-efficient operation.
Versatile connection options
Internal/external threads, compression fittings, flanges, and more – suitable for your application or custom-made..
Product selection
As a leading manufacturere of fluid technology components WEH offers an extensive product range of high-performance check valves.
Overview WEH Check Valves
Typ
Application
Pressure range
DN
Housing material
Connection types
WEH® TVR200
WEH® TVR200
Application
Check valves
for general applications
Pressure range
0 - 250 bar
DN
3 up to 6 mm
Housing material
Stainless steel
Connection types
Double ferrule fitting, female thread, male thread
WEH® TVR2
WEH® TVR2
Application
Check valves
for general applications
Pressure range
0 - 250 bar
DN
10 up to 20 mm
Housing material
Stainless steel
Connection types
Double ferrule fitting, female thread, male thread
WEH® TVR300
WEH® TVR300
Application
Miniature check valves
for general applications
Pressure range
0 - 100 bar
DN
3 up to 4 mm
Housing material
Stainless steel
Connection types
Female threads
WEH® TVR400
WEH® TVR400
Application
Screw-in valves
for general applications
Pressure range
0 - 250 bar
DN
3.6 up to 7 mm
Housing material
Stainless steel
Connection types
Male threads
WEH® TVR60
WEH® TVR60
Application
Check valves
for general applications
Pressure range
0 - 300 bar
DN
4 up to 50 mm
Housing material
Steel
Connection types
Female threads
WEH® TVR61
TVR61
Application
Check valves
for general applications
Pressure range
0 - 40 bar
DN
10 up to 50 mm
Housing material
Brass
Connection types
Female threads
Valves made of stainless steel
- High-performance valves for demanding pressures and temperatures
- Maximum tightness and minimum opening pressure
- Ideal for industry, testing technology, and mechanical engineering
Valves made of steel
- Cost-effective solution for demanding applications
- Reliable under pressure spikes up to 300 bar and 300 °C.
- Low-wear – prevents liquid backflow
Valves made of brass
- Compact valves with high flow capacity
- Particularly low-noise and tight at both low and high pressures
- For pneumatic and hydraulic applications
Standard product or custom solution?
We also develop custom check valves for specific requirements – tailored to the medium, pressure, temperature, and installation conditions.
Typical application
Controlling the backflow of media
Find the right solution faster!
Our products are as individual as your application. To provide you with fast and tailored support, please download the document, fill it out, and send it back to us. Our product experts will then get in touch with you promptly.
Discover & Download
Downloads
Catalogs
Get a quick overview of the entire range of WEH products - clear, compact and as a PDF for download.
Operating Instructions
All information on the safe commissioning and use of our products - including safety instructions and step-by-step instructions.
Certificates
Our products are tested and certified according to international standards. Here you will find all relevant quality and conformity certificates.
Why WEH?
Quality You Can Rely On
Our products are manufactured to the highest standards. At WEH, quality is no coincidence – it’s our standard, ensured by 100% final inspection and certified processes.
Service You Can Rely On
By choosing a WEH® product, you’ve chosen long-lasting quality. And our service ensures it stays that way. Whether maintenance, inspection, repair, or original spare parts – our experienced team is committed to maximum safety, efficiency, and preserving the value of your equipment.
Fast and Helpful Support
Questions about application, technology, or spare parts? Our technical support team is here for you – direct, competent, and without detours. Personally available and globally reliable.