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WEH® Connector TW57 for residual pressure valves for filling of gas cylinders with external thread, loop actuation, max. 250 bar

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  • For gas cylinders with external thread
  • Connection in seconds
  • No hand tightening required
  • Easy to connect
  • Suitable for right or left handed operation
Video
  • Improving cylinder filling efficiency with WEH® CGA Gas Connectors
    Improving cylinder filling efficiency with WEH® CGA Gas Connectors
    Just push WEH gas connector onto / into your gas cylinder thread. No wrench tightening or thread sealants needed. WEH gas connectors are the best choice for improving cylinder filling efficiency by reducing operating times. The types TW54 and TW57 connect directly to CGA 580 / CGA 540, DIN, NF, BS, CEN cylinder valve thread (others on request). A large variety of actuation loops and levers is available. WEH offers a complete product range for a large variety of gases and gas mixures, e.g. inert gases, oxygen, nitrogen, propane, acetylene, CO2, medical gases etc.  WEH® Connection solutions for gaseous applications connect directly to the cylinder valve thread and provide a pressure-tight connection in seconds. WEH® Filling Connectors are available for valve configurations having internal or external threads (with or without a residual pressure valve) or PIN-Index connections. Improve your productivity using the unique WEH® Connector for gas filling applications.
Description
WEH® Connector TW57 for residual pressure valves for filling of gas cylinders with external thread, loop actuation, max. 250 bar
The WEH® Gas Filling Connector TW57 200 bar for gas cylinder valves with external thread provides a pressure-tight connection in seconds.
The split collet design system locks securely onto the cylinder valve thread and seals tightly.

The WEH® TW57 is also available for 300 bar systems as well as for non-residual pressure valves.

This WEH® Quick Connector is available for gas cylinder valves acc. to DIN, BS, NF, CGA etc.
Connectors for oxygen applications are oxygen cleaned and free of oil and grease.

Features
  • For gas cylinders with external thread
  • Connection in seconds
  • No hand tightening required
  • Easy to connect
  • Suitable for right or left handed operation
  • Suitable for pallet filling
  • WEH® Jaw Locking Mechanism
  • Compact design
  • High-grade materials
Technical Data
Nominal pressure PN 200 bar (3,000 psi)
Max. allowable operating pressure PS 250 bar (3,600 psi)
Test pressure PT 375 bar (5,440 psi)
Temperature range +5 °C up to +80 °C
+5 °C up to +60 °C (O₂)
Medium Oxygen, nitrogen, CO₂, air, inert gases, medical gases
Actuation Manual actuation via operating loop (loop depending on cylinder valve type)
Design With RPV pin
Material Corrosion resistant stainless steel, brass
Sealing material Acc. to gas type
Conformity / Tests / Approvals Adiabatic ignition test available
Application
Quick Connector for filling of gas cylinders 200 bar with external thread (with a residual pressure valve).
Downloads
Document type Format Size Download
Datasheet PDF 367 KB
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High pressure fill coupling for gas cylinders with external thread - WEH® TW57

The manually actuated quick coupling TW57 is the ideal fitting for high pressure filling of gas cyliners up to 200 bar. The quick coupler connects instantly to your residual pressure gas cylinder valve with external thread. They offer quick connect and quick disconnect thanks to the WEH® Jaw Locking Mechanism and the easy to operate operating loop. Just push to connect. The TW57 filling connector is available for a large variety of national standards (DIN, BS, NF, CGA).

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