COF Series Neoprene Seal Nipple Piston Check Valves On Industrial Specialties Mfg., Inc.

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Male x Male NPT check valve. Thread sizes include 1/8", 1/4", 3/8" and 1/2" . 302 Stainless Steel spring. Brass bodies have a Beryllium Copper Retainer. Maximum operating pressure is 500 psi.

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Item #	Inlet	Outlet	Seal	Cracking Pressure	Body Material

COF-8M-12#-NP-B	N/A 1/2" Male NPT	N/A 1/2" Male NPT	N/A Neoprene	N/A 12 psi	N/A Brass
COF-8M-12#-NP-NI	N/A 1/2" Male NPT	N/A 1/2" Male NPT	N/A Neoprene	N/A 12 psi	N/A Nickel Plated
COF-2M-NP-SS	N/A 1/8" Male NPT	N/A 1/8" Male NPT	N/A Neoprene	N/A	N/A Stainless Steel
COF-2M-1/3#-NP-SS	N/A 1/8" Male NPT	N/A 1/8" Male NPT	N/A Neoprene	N/A 1/3 psi	N/A Stainless Steel
COF-2M-1#-NP-SS	N/A 1/8" Male NPT	N/A 1/8" Male NPT	N/A Neoprene	N/A 1 psi	N/A Stainless Steel
COF-2M-2.5#-NP-SS	N/A 1/8" Male NPT	N/A 1/8" Male NPT	N/A Neoprene	N/A 2.5 psi	N/A Stainless Steel
COF-2M-3.5#-NP-SS	N/A 1/8" Male NPT	N/A 1/8" Male NPT	N/A Neoprene	N/A 3.5 psi	N/A Stainless Steel
COF-2M-5#-NP-SS	N/A 1/8" Male NPT	N/A 1/8" Male NPT	N/A Neoprene	N/A 5 psi	N/A Stainless Steel
COF-4M-NP-SS	N/A 1/4" Male NPT	N/A 1/4" Male NPT	N/A Neoprene	N/A	N/A Stainless Steel
COF-4M-1/3#-NP-SS	N/A 1/4" Male NPT	N/A 1/4" Male NPT	N/A Neoprene	N/A 1/3 psi	N/A Stainless Steel
COF-4M-1#-NP-SS	N/A 1/4" Male NPT	N/A 1/4" Male NPT	N/A Neoprene	N/A 1 psi	N/A Stainless Steel
COF-4M-3#-NP-SS	N/A 1/4" Male NPT	N/A 1/4" Male NPT	N/A Neoprene	N/A 3 psi	N/A Stainless Steel
COF-4M-5#-NP-SS	N/A 1/4" Male NPT	N/A 1/4" Male NPT	N/A Neoprene	N/A 5 psi	N/A Stainless Steel
COF-4M-10#-NP-SS	N/A 1/4" Male NPT	N/A 1/4" Male NPT	N/A Neoprene	N/A 10 psi	N/A Stainless Steel
COF-4M-20#-NP-SS	N/A 1/4" Male NPT	N/A 1/4" Male NPT	N/A Neoprene	N/A 20 psi	N/A Stainless Steel
COF-4M-25#-NP-SS	N/A 1/4" Male NPT	N/A 1/4" Male NPT	N/A Neoprene	N/A 25 psi	N/A Stainless Steel
COF-8M-NP-SS	N/A 1/2" Male NPT	N/A 1/2" Male NPT	N/A Neoprene	N/A	N/A Stainless Steel
COF-8M-1/3#-NP-SS	N/A 1/2" Male NPT	N/A 1/2" Male NPT	N/A Neoprene	N/A 1/3 psi	N/A Stainless Steel
COF-8M-1/2#-NP-SS	N/A 1/2" Male NPT	N/A 1/2" Male NPT	N/A Neoprene	N/A 1/2 psi	N/A Stainless Steel
COF-8M-1#-NP-SS	N/A 1/2" Male NPT	N/A 1/2" Male NPT	N/A Neoprene	N/A 1 psi	N/A Stainless Steel
COF-8M-2#-NP-SS	N/A 1/2" Male NPT	N/A 1/2" Male NPT	N/A Neoprene	N/A 2 psi	N/A Stainless Steel
COF-8M-5#-NP-SS	N/A 1/2" Male NPT	N/A 1/2" Male NPT	N/A Neoprene	N/A 5 psi	N/A Stainless Steel
COF-8M-12#-NP-SS	N/A 1/2" Male NPT	N/A 1/2" Male NPT	N/A Neoprene	N/A 12 psi	N/A Stainless Steel

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Item #

Inlet

Outlet

Seal

Cracking Pressure

Body Material