WEH® Connector TW920 for filling cylinders with male thread and residual pressure valve with refrigerants, loop actuation, max. 40 bar


The WEH® TW920 Quick connector for filling refrigerants overcomes the need to remove the cylinder valve cartridge when filling thus facilitating cylinder connection and filling. When applying pressure, the piston of the WEH® Connector moves forward and pulls out the pin of the residual pressure valve. Then filling procedure can start.

WEH® TW920 with pneumatic linear valve
As an option the TW920 Quick Connector is available with an integrated pneumatic linear valve with a sliding sleeve valve for the pilot pressure port P1 and a venting port C1. In order to vent back the residual gas, a venting line can also be fitted.

Max. allowable operating pressure PS
40 bar (580 psi)
Pilot pressure
6 - 8 bar (90 - 120 psi) (for opening residual pressure valve)
Temperature range
-10 °C up to +80 °C
Connection A
W21.8x1/14" male thread
Media inlet B1
NPT 3/8" male thread
Manual actuation via operating loop (loop depending on cylinder valve type)
Brass, corrosion-resistant stainless steel
Sealing material
Front seal of HNBR
Part no.
Marketing Features
Connection in seconds,For cylinder valves with male thread and residual pressure valve,No hand tightening required,Pin within the valve is actuated automatically,Simplifies the connecting and filling procedure,Suitable for right or left handed operation,WEH® Jaw Locking Mechanism

Quick connector for filling of cylinders with male thread and residual pressure valve with refrigerants.

Adatlap EN 421 KB
Adatlap DE 395 KB
Adatlap ES 392 KB
Adatlap FR 397 KB
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