Model 1078 Rev B Pilot Operated Tank Blanketing Valve Vacu-Gard; 1" Size; Vertical Outlet Position, Integral Dip-Tube Sensing; Stainless Steel Body And Trim, All Wetted Parts Are Stainless Steel, Epoxy Coated Carbon Steel Upper Diaphragm Case, With Stainless Steel Fittings And Tubing; No Pressure Gauges; Threaded 1" FNPT End Connections; 25% Flow Plug; FFKM 2 Soft Seats And Seals; 0.5" - 5.0" WC Range Spring; Stainless Steel External Pilot Filter With Purge Meter