Model 1078 Rev B Pilot Operated Tank Blanketing Valve Vacu-Gard; 1" Size; Horizontal Outlet Position, Remote Sensing; Hastelloy Body With Hastelloy Trim, All Wetted Parts Are Hastelloy, Epoxy Coated Carbon Steel Upper Diaphragm Case; No Pressure Gauges; 1" PN40 Flanged End Connections; 10% Flow Plug; FFKM 1 Soft Seats And Seals; 5" - 14" WC Range Spring; Hastelloy External Pilot Filter