Premium quality, economy, a long service life and performance are therefore basic requirements when choosing an appropriate check valve.

Many years of experience and unique know-how have led to the development of a new series of screw-in valves that fulfil these requirements.

WEH® TVR400 Screw-in valves are mechanical shut-off valves that allow media to flow in the direction of screw rotation and shut off reverse flow. Their compact design takes up very little space, making them very economical.

Unlike metallic sealing valve seats, screw-in check valves are soft-sealing. They are sealed by means of a spring-loaded sealing cone with an O-ring. WEH® Valves therefore offer a high degree of leak tightness, while also ensuring a high flow rate.

WEH® Screw-in valves are easily installed using an allen key in boreholes with an internal thread.

They offer an extremely long service life and low wear, and are characterised by particularly low-noise operation, as they are manufactured from high-grade stainless steel.

WEH® TVR400 Valves have proven invaluable in various hydraulic and pneumatic applications in machine and plant engineering, material handling and medical technology and gas applications in the chemical and pharmaceutical sectors.

WEH also offers a comprehensive standard programme of high-performance check valves. See for yourself at www.weh.com.