9NK-54S7-4AX32934C

Model 123-1+6+S Rev C Differential Back Pressure Regulator, OPT-40: Construction Per NACE Standard MR0175; 1-1/2" Line Size, 3/4" Reduced Orifice; Carbon Steel Body With Carbon Steel Spring Chamber; S40S Trim: 316 Stainless Steel With Metal Seat, Fluorocarbon Elastomer (FKM) Diaphragm; OPT-33: NPT End Connections, Three Connections; 45-105 PSID Range Spring (Inconel X750); Per Spq/Ma Drawing 32934