The Corroflex® CF300-SS Stainless steel non-return valve is used in high pressure pipelines, and prevents an undesirable flow in the opposite direction to the main flow direction. Mounted in the high-pressure area of manifolds of industrial gas supply systems, the CF300-SS protects the compressed gas cylinders against transfer in the event of incorrect operation. The CF300-SS can be used in supply systems for inert, flammable, oxidizing and corrosive gases up to 6.0 level purity.
Special Features
The unique seat seal design and the use of selected gas-wetted parts allow the use with oxygen up to 300 bar working pressure. The Oxygen ignition test for non-metallic seat sealed check valves which is required during development phase can be omitted with the CF300-SS due to targeted material selection.
- Compact design
- Designed and approved in accordance with relevant sections of EN ISO 10297:2015
- Specially cleaned
Technical Data
- Working temperature: -20 °C to +60 °C
- Inlet connection: NPT 1/4 “ female
- Outlet connection: NPT 1/4 “ male
- Max. working pressure: 300 bar
- Cv-value: Less than 0,29
- Pressure drop at inlet pressure 41 bar and flow 20 m3/h (N2) 0,5 bar
- Pressure drop at inlet pressure 41 bar and flow 100 m3/h (N2) 3,8 bar
- Length: 54 mm
- Leakage rate seat at 21 Deg C: 1x10-2 mbar l/s (Helium)- at 10 bar. 1x10-4 mbar l/s (Helium)- at 300 bar
- Leakage rate outside: 1x10-8 mbar l/s (Helium)
- Weight: 0,1 kg
Material gas wetted parts:
- Valve body: Stainless Steel 316L
- Filter: AISI 316L
- Valve seat: Ceramic (Si3N4)
- Spring: Stainless Steel 316L
Test in production:
- Pressure test for each valve
- Test leak rate seat with Helium for each valve
Approvals during development:
Type test in accordance with relevant sections of EN ISO 10297:2015
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CF300-SS Non-Return Valve Stainless Steel, 300 Bar Working Pressure
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