Flashback arrestors oxygen FEATURESNon-return Valve [NV]Flame Arrestor [FA]Dust filter [DF]HB188-UL for Torch (Dimensions:Ф21×51.8mm)HB288-UL for Regulator (Dimensions:Ф21×59mm)Max. working pressure: OX : 1 5 bar (218 psi)AC : 1.0 bar (15 psi)LPG: 3.5 bar (50 psi)For use with MPS-GAS, max pressure 1.5 bar (22 psi)For use with Hydrogen, Methane and Natural Gas, max pressure 3.5 bar (50 psi) ModelGasMax. Flow(l/h)InletOutletHB188-ROxygen70009/16”-18 RH9/16”-18 RHHB188-LFuel Gas26009/16”-18 LH9/16”-18 LHHB188-AROxygen70005/8”-18 RH5/8”-18 RHHB188-ALFuel Gas26005/8”-18 LH5/8”-18 LHHB188-RBOxygen7000M16x1.5 RHM16x1.5 RHHB188-LBFuel Gas2600M16x1.5 LHM16x1.5 LHHH188-RGBOxygen7000G 3/8 RHG 3/8 RHHB188-LGBFuel Gas2600G 3/8 LHG 3/8 LHHB188-RAOxygen7000G 1/4 RHG 1/4 RHHB188-LAFuel Gas2600G 1/4 LHG 1/4 LH