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Female x Male NPT check valve. Thread sizes include 1/8", 1/4", 3/8", 1/2" and 3/4". 302 Stainless Steel spring. Brass bodies have a Beryllium Copper Retainer. Maximum operating pressure is 500 psi.
CHH Series Female x Male National Pipe Thread (NPT) Piston Check Valves
Unit of Measure
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Item #

Item Name

Inlet

Outlet

Cracking Pressure

Body Material

CHH-4F4M-5#-EPDM-SS N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Stainless Steel Check Valve N/A 1/4" Female NPT N/A 1/4" Male NPT N/A 5 psi N/A Stainless Steel
CHH-4F4M-10#-EPDM-B N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Brass Check Valve N/A 1/4" Female NPT N/A 1/4" Male NPT N/A 10 psi N/A Brass
CHH-4F4M-10#-EPDM-NI N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Nickel Plated Check Valve N/A 1/4" Female NPT N/A 1/4" Male NPT N/A 10 psi N/A Nickel Plated
CHH-4F4M-10#-EPDM-SS N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Stainless Steel Check Valve N/A 1/4" Female NPT N/A 1/4" Male NPT N/A 10 psi N/A Stainless Steel
CHH-4F4M-20#-EPDM-B N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Brass Check Valve N/A 1/4" Female NPT N/A 1/4" Male NPT N/A 20 psi N/A Brass
CHH-4F4M-20#-EPDM-NI N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Nickel Plated Check Valve N/A 1/4" Female NPT N/A 1/4" Male NPT N/A 20 psi N/A Nickel Plated
CHH-4F4M-20#-EPDM-SS N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Stainless Steel Check Valve N/A 1/4" Female NPT N/A 1/4" Male NPT N/A 20 psi N/A Stainless Steel
CHH-4F4M-25#-EPDM-B N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Brass Check Valve N/A 1/4" Female NPT N/A 1/4" Male NPT N/A 25 psi N/A Brass
CHH-4F4M-25#-EPDM-NI N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Nickel Plated Check Valve N/A 1/4" Female NPT N/A 1/4" Male NPT N/A 25 psi N/A Nickel Plated
CHH-4F4M-25#-EPDM-SS N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Stainless Steel Check Valve N/A 1/4" Female NPT N/A 1/4" Male NPT N/A 25 psi N/A Stainless Steel
CHH-4M4F-EPDM-B N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Brass Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A N/A Brass
CHH-4M4F-EPDM-NI N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Nickel Plated Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A N/A Nickel Plated
CHH-4M4F-EPDM-SS N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Stainless Steel Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A N/A Stainless Steel
CHH-4M4F-1/3#-EPDM-B N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Brass Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 1/3 psi N/A Brass
CHH-4M4F-1/3#-EPDM-NI N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Nickel Plated Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 1/3 psi N/A Nickel Plated
CHH-4M4F-1/3#-EPDM-SS N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Stainless Steel Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 1/3 psi N/A Stainless Steel
CHH-4M4F-1#-EPDM-B N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Brass Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 1 psi N/A Brass
CHH-4M4F-1#-EPDM-NI N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Nickel Plated Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 1 psi N/A Nickel Plated
CHH-4M4F-1#-EPDM-SS N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Stainless Steel Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 1 psi N/A Stainless Steel
CHH-4M4F-3#-EPDM-B N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Brass Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 3 psi N/A Brass
CHH-4M4F-3#-EPDM-NI N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Nickel Plated Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 3 psi N/A Nickel Plated
CHH-4M4F-3#-EPDM-SS N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Stainless Steel Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 3 psi N/A Stainless Steel
CHH-4M4F-5#-EPDM-B N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Brass Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 5 psi N/A Brass
CHH-4M4F-5#-EPDM-NI N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Nickel Plated Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 5 psi N/A Nickel Plated
CHH-4M4F-5#-EPDM-SS N/A CHH Series Female x Male National Pipe Thread (NPT) Ethylene Propylene Diene Monomer (EPDM) Seal Piston Stainless Steel Check Valve N/A 1/4" Male NPT N/A 1/4" Female NPT N/A 5 psi N/A Stainless Steel
Unit of Measure
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