providing quality product Check Valves

89-3FGR / 89-3FGL Check Valves
Reverse Flow Check Valves


Reverse flow check valves for regulator

Helps prevent dangerous reverse flow mixing of gas in hose and regulators


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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