Female Check Valves 3/8NPT

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Model: CV S4-FN6-F1

Nominal Size: 3/8" NPT (1/8"-1")

Working Pressure: 6000 psig (413 bar), maximum up to 10000 PSI (689 bar)

Operating Temperature: -10°F to 625°F (-23°C to 320°C)

Opening Pressure: 1 psig to 25 psig (0.02 to 1.7 bar)

Product Material: 304, 316L, and other special materials

Multiple port configurations and valve body materials available

Product Advantages

1. Materials compliant with NACE MR0175/ISO 15156 for sour gas environments are available

2. Hard-sealed elastic cushion seat ensures noise-free operation and effective backflow prevention

3. Needle-type sealing design with O-rings as auxiliary grinding seals, effectively addressing seal aging issues for extended valve lifespan

4. Each valve undergoes a sealing test before shipment. A 5% sampling of the valves is tested at 1.5 times the rated working pressure with water pressure, along with a 1 PSI sealing test and opening test.