Model 1078 Rev B Pilot Operated Tank Blanketing Valve Vacu-Gard; 1" Size; Horizontal Outlet Position, Remote Sensing; Stainless Steel Body And Trim, Carbon Steel Diaphragm Cases, Stainless Steel Fittings And Tubing, Non-Stainless Steel Pressure Gauges When Required; Supply Pressure Gauge 0 - 200 PSI, Tank Pressure Gauge 0 - 5" WC; Threaded 1" FNPT End Connections; 25% Flow Plug; Fluorocarbon Elastomer (FKM) Soft Seats And Seals; 1.5 - 3 PSIG Range Spring; Stainless Steel External Pilot Filter With Purge Meter