OGI1093 Features: * Designed for heavy duty gas welding, cutting & heating applications * Provide precise and constant delivery over a wide range of inlet pressures * Delrin cap bushing for smooth adjustments * Self re-seating external safety pressure relief valve * Sintered bronze inlet filter * Easily read gauges * Conforms to CGA E-4 standard for gas pressure regulators * Gas Type: Acetylene * Inlet Pressure: 400 psi [Max] * Outlet Pressure: 30.0 psi [Max] * Inlet Connection: CGA 510 * Outlet Connection: 9/16 in - 18 LH(M) * Gauge Size: 2 1/2 in * Diaphragm Size: 2 in, 3 1/4 in * Body Material: Brass * Type: Heavy Duty Regulator * Wt.: 7.06 lb * Price is for 1 Each Assembly Instructions: * Stem type seat assembly for more reliable seating