89-3FGR / 89-3FGL Check Valves

Reverse Flow Check Valves

Product Feature

Reverse flow check valves for regulator
Helps prevent dangerous reverse flow mixing of gas in hose and regulators

Product Specification

Model	Gas	Inlet	Outlet
89-3FGR	Oxygen	9/16”-18N	9/16”-18N
89-3CTR	Oxygen	M16 x 1.5	M16 x 1.5
89-3GBR2	Oxygen	G 3/8	G 3/8
89-3AR1	Oxygen	5/8”-18N	5/8”-18N
89-3GBR1	Oxygen	G 1/4	G 1/4
89-3FGL	Fuel Gas	9/16”-18N	9/16”-18N
89-3CRL	Fuel Gas	M16 x 1.5	M16 x 1.5
89-3GBL2	Fuel Gas	G 3/8	G 3/8
89-3AL1	Fuel Gas	5/8”-18N	5/8”-18N
89-3GBL1	Fuel Gas	G 1/4	G 1/4

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