Model 1078 Rev B Pilot Operated Tank Blanketing Valve Vacu-Gard; 1" Size; Horizontal Outlet Position, Remote Sensing; Stainless Steel Body, Trim, Diaphragm Cases, Fittings, And Tubing; No Supply Pressure Gauge, Tank Pressure Gauge 0 - 5 PSIG; 1" Class 150 Threaded Flange End Connections; 25% Flow Plug; Fluorocarbon Elastomer (FKM) Soft Seats And Seals; 1 - 1.5 PSIG Range Spring; Stainless Steel External Pilot Filter