The Gruvlok® flange adapter insert is designed for use with the Gruvlok® FIG 7012. The flange adapter is required when mating the Gruvlok® FIG 7012 to a rubber line valve or serrated face flange surface. The flange adapter ring is used in combination with a rubber lined valve or flange gasket to provide a smooth sealing surface for the FIG 7012 flange gasket.
Gruvlok® Seal Ring, Flanged, Series: FIG FSR, For Use With: FIG 7012/7013 Flanges, 5 in Nominal, Carbon Steel, Galvanized, 5.563 in OD x 0.12 in THK, Domestic