WEH® Check Valve TVR5 CNG - Product family

for buses / trucks (ECE) and fueling stations 

TVR5 CNG is the largest of our check valves. It is most efficient and developed specifically for CNG buses and trucks.

The check valve system is designed to minimize the effect of dirt particles on the sealing components within the unit.

The WEH® TVR5 CNG check valve is constructed of corrosion-resistant stainless steel achieving a very durable unit due to its robust internal structure.

Nominal bore (DN)
Depending on design, max. 12 mm
Pressure range
PN = 200 bar (3,000 psi) | PS = 260 bar (ECE)
PN = 250 bar (3,600 psi) | PS = 315 bar
Temperature range
-40 °C up to +120 °C (ECE)
-40 °C up to +85 °C
Corrosion resistant stainless steel
Sealing material
Natural gas resistant
Incl. fittings (only for check valves with tube fitting)
Conformity / Tests / Approvals
ECE R110
Marketing Features
  • Corrosion resistant stainless steel
  • High leak tightness
  • Low-noise opening and closing
  • Robust construction

Check valve for buses and trucks (ECE approval), also suitable for installation in fueling stations. Only use check valves with ECE approval for fitment in road legal vehicles.

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