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Our 3" gasket for a Gruvlok coupling are black Buna-N. This gasket has a temperature range of -24°F to +176°F. The general service applications are petroleum products, vegetable oils, mineral oils, and air contaminated with petroleum oils. These gaskets will fit series S style 10, series L style, series Q, series R style 5, and aluminum victaulic clamps. 

Safety Alert!!

  • Not for use in hot water service.

Please checkout the rest of our store for more Gruvlok Couplings. Also checkout the Hose Coupling category for King Nipples, Foot Valves, and Strainers & Skimmers as well.

Gruvlok Coupling - Gasket - 3" - Buna-N