Page 342 - Mechanical Products Installation Handbook IH-1000M

334 GASKETS Gasket Styles
Standard Gasket
The standard style gasket, with a “C” shape configuration, is the most commonly used.
Center-Stop, Push-On Gasket
This gasket is specifically designed for use with the GRINNELL Figure 640 Pivot-Bolt Coupling.
Reducing Coupling Gasket
This gasket is provided with ribs used to position the larger pipe so that the sealing lip is located on the sealing surface of the pipe. This gasket is used only with the GRINNELL Figure 716 Reducing Coupling.
Mechanical Tee Gasket
This gasket provides a compression- type seal, which is designed to conform to the exterior curve (OD) of the pipe.
Tri-Seal Gasket
This gasket is designed to close off the gap or gasket cavity. This is accomplished by positioning the center “rib” of the gasket over the gap between the pipes. The tri-seal gasket has two tapered sealing edges in addition to the center rib for additional strength and sealing.
Flange Adapter Gasket
This gasket is specifically designed for use with GRINNELL Flange Adapters. The gasket has an optimal amount of rubber to provide a dependable seal between both the pipe and mating surface.
Outlet Coupling Gasket
This gasket is specifically designed for use with the GRINNELL Figure 702 Outlet Coupling.
Plain End Coupling Gasket
This gasket is designed for use with the GRINNELL Figure 909 Plain End Couplings.
• Refer to Technical Data Sheet G610 Gaskets.