Model 1078 Rev B Pilot Operated Tank Blanketing Valve Vacu-Gard; 1" Size; Horizontal Outlet Position; Stainless Steel Body, Trim, Diaphragm Cases, Fittings, And Tubing; Supply Pressure Gauge 0 - 160 PSIG, Tank Pressure Gauge 0 - 5" WC; Threaded 1" FNPT End Connections; 10% Flow Plug; Buna-N Soft Seats And Seals; 0.5" - 5.0" WC Range Spring; Stainless Steel External Pilot Filter With Purge Meter