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; No Pressure Gauges; 1" Class 150 Integral Cast Flanged End Connections; 25% Flow Plug; EPDM Soft Seats And Seals; 0.5" - 5.0" WC Range Spring; Aluminum External Pilot Filter - Special For (UCC/DOW)