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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-2M-5#-V-NI	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 5 psi	Spring Material: 302 Stainless Steel	Seal: Viton	Material: Nickel Plated Brass
	Item#: COF-2M-5#-V-SS	Inlet: 1/8" Male NPT	Outlet: 1/8" Male NPT	Cracking Pressure: 5 psi	Spring Material: 302 Stainless Steel	Seal: Viton	Material: Stainless Steel
	Item#: COF-4M-BU-B	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: No Spring	Spring Material: No Spring	Seal: Buna-N	Material: Brass
	Item#: COF-4M-BU-NI	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: No Spring	Spring Material: No Spring	Seal: Buna-N	Material: Nickel Plated Brass
	Item#: COF-4M-BU-SS	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: No Spring	Spring Material: No Spring	Seal: Buna-N	Material: Stainless Steel
	Item#: COF-4M-EPDM-B	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: No Spring	Spring Material: No Spring	Seal: EPDM	Material: Brass
	Item#: COF-4M-EPDM-NI	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: No Spring	Spring Material: No Spring	Seal: EPDM	Material: Nickel Plated Brass
	Item#: COF-4M-EPDM-SS	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: No Spring	Spring Material: No Spring	Seal: EPDM	Material: Stainless Steel
	Item#: COF-4M-NP-B	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: No Spring	Spring Material: No Spring	Seal: Neoprene	Material: Brass
	Item#: COF-4M-NP-NI	Inlet: 1/4" Male NPT	Outlet: 1/4" Male NPT	Cracking Pressure: No Spring	Spring Material: No Spring	Seal: Neoprene	Material: Nickel Plated Brass

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