1.Natural Gas & Propane Gas Interchange Pressure Regulators Valve with Orifice Nozzle. 2.Total length: about 29cm/11.4inch. 3,The parameters when it used as Propane(LP) Regulator. a, 5pcs brass M6x0.75 mm thread jet nozzle (orifice size: 0.5 mm) b, The outlet pressure of the LPG grill conversion regulating valve is 10 "W." C, Inlet pressure: 25-250 PSI The inlet joint thread of the conversion control valve is 1/2"(3/4" -16UNF) male flare. The outlet is 3/8"(5/8"-18 UNF) female flare to Connecting the gas grill. c, M6x0.75 mm thread jet nozzle (orifice size: 0.5 mm) for natural gas to propane for Weber Genesis or Genesis II Grills. d, 10"w.c propane gas valve with 0.5mm orifice for the following grills: Weber.