Anvil 0312822661 Union Malleable Iron, 1 2 in x 1 2 in Fitting Pipe Size, Female NPT x Female NPT, Class 300 04524215043 700 scfh Product Type Flashback 700 scfh Product Type Flashback Arrestor Set Body Material Brass CGA Number CGA 022 (Oxygen) Pressure 364 psi @ 100 Degrees F Specific Pipe Fitting Shape 90 Degrees Elbow Standards ASME ANSI B16 Pipe Fitting Material Malleable Iron Specific Fitting Shape Union Fitting Schedule Class Class 300 Basic Pipe Fitting Material Metal Basic Pipe Fitting Shape Union Fitting Connection Type FNPT Item Union Standards UL Listed Range 20 Degrees to 550 Degrees F Pipe Fitting Schedule Class Class 300 Saturated Steam Pressure 230 psi @ 550 Degrees F Specific Pipe Fitting Shape Union Pipe Fitting Connection Type Female NPT x Female NPT Max