CL4 Check Valve

CL4 Check Valve

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Group 114 Group 115 Group 94

A check valve allows fluid (liquid or gas) to flow through it in only one direction. It is designed to prevent any flow reversal of fluids. The arrow marked on the body shows which way it must be installed. Vertical mounting is advised on an upward flow. In case of an horizontal mounting, the pressure difference between downstream and upstream to ensure sealing should be at least 1 bar.

Sizes DN 8 to DN 50
Reduced bore and Full bore
Max. pressure* 80 bar
Temp. range -200°C to 200C
Type of connections Butt weld, Socket weld, Thread (NPT and BSP), Compression fittings, Tri-clamp, Orbital welding
Connections ISO, ASME, DIN, SMS, S10, S40
Material - Body, connections: 1.4404 (316L)
- Seals: PTFE
Certificates 3.1 and CE/PED

* Max. pressure is depending on the temperature. See the Pressure/Temperature diagrams for more information.

Options:

  • ATEX II2GD
  • Other materials: 304L, carbon 904L, Hastelloy C22
  • Client specific connections
  • Cryogenics applications
  • Degreased version for oxygen application

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