Model B7 Back Pressure Regulator; 3/4" Size, Globe Configuration, 2.5 Cv; 316L Stainless Steel Body And Trim, 316L Stainless Steel Spring Chamber; Stainless Steel Trim, PTFE Seat, Port Configuration D; FNPT End Connections; 20 - 750 PSIG Range Spring; 0 - 1000 PSIG Inlet Gauge