Anderson Greenwood (AGCO) P/N M6ARDS-4-SG, Series M6A, Valves 2-Block, 2-Equalize, 1-Vent, Connections 1/2"FNPT Process x 1/2"FNPT Instrument, Body 316SS, Packing O-Ring, Seat Delrin, Rating 3000 PSIG at 200 F, NACE MR0175, Natural Gas Valve Pattern, AGCO