WEH® Miniature Check Valve TVR300-S1 stainless steel, 0 - 100 bar - Product family

Media Inlet B1
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The WEH® TVR300 Miniature check valves made of stainless steel are ideal for applications with liquid and gaseous media up to max. 100 bar.
The possible applications are just as varied as the design and the materials used. The check valves are available with female thread on both sides and a nominal bore of up to 4 mm.

Due to the high quality materials they are extremely wear-resistant, corrosion-resistant and durable. The miniature check valves, which are very silent in use even under high flow rates, are characterized in particular by their very low cracking pressure and their optimum tightness.

The WEH® TVR300 are equipped with a ball seal. The internal seals are arranged so that they are protected from the mediaflow. This prevents damage to the seals from any dirt particles on the sealing components within the unit.

WEH® TVR300 Check valves are equipped with a FKM seal as standard.
Other sealing materials are available on request. It is the customer‘s responsibility to clarify the media compatibility.

Nominal bore (DN)
Acc. to design
Max. allowable operating pressure PS
100 bar (1,450 psi)
Cracking pressure PC
Acc. to design
Temperature range
-40 °C up to +200 °C
Housing material
Rozsdamentes acél
Spring material
Rozsdamentes acél
Sealing material
Sealing concept
Ball sealing
Media inlet B1
G1/8", G1/4"
Media outlet B2
G1/8", G1/4"
Leak rate
1 x 10-4 mbar x l/s
Flow Direction
B1 -> B2
Marketing Features
High leak tightness,Low cracking pressure,Low-noise opening and closing,Max. operating pressure up to 100 bar,Seals are protected from the media flow,Stainless steel,Wear and corrosion resistant

The WEH® TVR300 Miniature check valves were only developed for reliable return flow prevention in a gaseous or liquid media flow.

The WEH® TVR300 Miniature check valves are used in mechanical and plant engineering, chemical / pharmaceuticalindustry, conveyor technology, food industry, medical technology, etc.

Adatlap EN 353 KB
Adatlap DE 356 KB
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