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Industrial Specialties Mfg. & IS Med Specialties

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Piston Check Valves
COF Series - Nipple Check Valve - Piston

COF Series - Nipple Check Valve - Piston

COF Series - Nipple Check Valve - Piston

1/8” to 1/2" Male NPT
Buna-N, EPDM, Viton or Neoprene seals available
302 Stainless Steel spring
Brass bodies have a Beryllium Copper Retainer
Brass, Nickel Plated Brass and Stainless Steel Bodies

	# Item
	Item#: COF-2M-1/3#-NP-SS	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 1/3 psi	Spring Material: 302 Stainless Steel	Seal: Neoprene	Material: Stainless Steel
	Item#: COF-2M-1/3#-V-B	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 1/3 psi	Spring Material: 302 Stainless Steel	Seal: Viton	Material: Brass
	Item#: COF-2M-1/3#-V-NI	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 1/3 psi	Spring Material: 302 Stainless Steel	Seal: Viton	Material: Nickel Plated Brass
	Item#: COF-2M-1/3#-V-SS	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 1/3 psi	Spring Material: 302 Stainless Steel	Seal: Viton	Material: Stainless Steel
	Item#: COF-2M-1#-BU-B	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 1 psi	Spring Material: 302 Stainless Steel	Seal: Buna-N	Material: Brass
	Item#: COF-2M-1#-BU-NI	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 1 psi	Spring Material: 302 Stainless Steel	Seal: Buna-N	Material: Nickel Plated Brass
	Item#: COF-2M-1#-BU-SS	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 1 psi	Spring Material: 302 Stainless Steel	Seal: Buna-N	Material: Stainless Steel
	Item#: COF-2M-1#-EPDM-B	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 1 psi	Spring Material: 302 Stainless Steel	Seal: EPDM	Material: Brass
	Item#: COF-2M-1#-EPDM-NI	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 1 psi	Spring Material: 302 Stainless Steel	Seal: EPDM	Material: Nickel Plated Brass
	Item#: COF-2M-1#-EPDM-SS	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 1 psi	Spring Material: 302 Stainless Steel	Seal: EPDM	Material: Stainless Steel

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