Gruvlok® Butterfly Valve, Series: FIG 7700, 4 in Nominal, Grooved, -40 to 180 deg F, Gear Actuator, 4-5/8 in Inlet to Outlet Length, 9 in Top to Inlet Center, Ductile Iron Body, Ductile Iron Disc, 416 Stainless Steel (Stem) Stem and Pin, Grade-E EPDM,
The uniqueness of the Series 7700 Gruvlok Butterfly Valve begins with the spherical bore of the disc seat area. This facilitates a constant DISC-TO-SEAT loading that maintains a leak tight stem seal regardless of disc position. The stem sealing force is c