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Industrial Specialties Mfg. & IS Med Specialties

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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-4M-5#-V-NI	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: 5 psi	Spring Material: 302 Stainless Steel	Seal: Viton	Material: Nickel Plated Brass
	Item#: COF-4M-5#-V-SS	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: 5 psi	Spring Material: 302 Stainless Steel	Seal: Viton	Material: Stainless Steel
	Item#: COF-4M-10#-BU-B	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: 10 psi	Spring Material: 302 Stainless Steel	Seal: Buna-N	Material: Brass
	Item#: COF-4M-10#-BU-NI	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: 10 psi	Spring Material: 302 Stainless Steel	Seal: Buna-N	Material: Nickel Plated Brass
	Item#: COF-4M-10#-BU-SS	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: 10 psi	Spring Material: 302 Stainless Steel	Seal: Buna-N	Material: Stainless Steel
	Item#: COF-4M-10#-EPDM-B	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: 10 psi	Spring Material: 302 Stainless Steel	Seal: EPDM	Material: Brass
	Item#: COF-4M-10#-EPDM-NI	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: 10 psi	Spring Material: 302 Stainless Steel	Seal: EPDM	Material: Nickel Plated Brass
	Item#: COF-4M-10#-EPDM-SS	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: 10 psi	Spring Material: 302 Stainless Steel	Seal: EPDM	Material: Stainless Steel
	Item#: COF-4M-10#-NP-B	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: 10 psi	Spring Material: 302 Stainless Steel	Seal: Neoprene	Material: Brass
	Item#: COF-4M-10#-NP-NI	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: 10 psi	Spring Material: 302 Stainless Steel	Seal: Neoprene	Material: Nickel Plated Brass

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