Hy-Lok Check Valve, 316SS, 1/4 In. MNPT, 1/3 PSI CP, FKM Seat

• 700H Series HP Check Valve
• Suitable for gas and liquid
• Maximum Working Pressure:  6000 psig (413 bar) @ 70⁰ F (21⁰ C)
• Operating Temperature Range: -10⁰F to 375⁰ F (-23⁰C to 121⁰C)
• Cv: 0.67
• Orifice has maximum flow design for minimum pressure drops
• Poppet provides leak tight shut-off with elastomer seal
• Poppet Stopper provides minimal spring stress
• Each valve is factory tested with nitrogen for cracking and reseal performance

•  316 Stainless Steel Body
• 1/4 in. MNPT both ends
• 1/3 psig cracking pressure
• Poppet:  FKM - bonded 316SS
• Poppet Stopper: 316SS
• Spring:  302SS
• O-Ring: FKM
• Back-Up Ring: PTFE

Note:  Back pressure may be required to reseal the valves with nominal cracking pressure of 5 psi or lower