Gaskets

Chesterton leads the way in high-efficiency solutions using the latest technologies for maximum sealing performance.

359 is a cost-effective, general purpose graphite sheet reinforced with 304 Stainless Steel foil insert. Its excellent chemical resistance and thermal stability make this sheet a superior choice to a compressed fiber sheet gasket for virtually all applications in the plant.

455 Aramid Fiber Gasket

455 Aramid Fiber/Nitrile Binder Sheet is a general purpose sheet gasket material offering good sealability and chemical resistance. 455 incorporates synthetic fiber with a nitrile binder, and can be used against water, salt solutions, organic alkali aliphatic and aromatic hydrocarbons, alcohols, ester, oils and gases up to 575°F (300°C). 455 is not recommended for use in chlorinated hydrocarbons, aromatic and ester ketones.

122NN Diaghragm Sheet Gasket

122NN is a superior quality black diaphragm sheet gasket for use in services where a high strength nylon fabric reinforced sheet will produce the best results. 122NN’s neoprene rubber construction delivers excellent service in steam, gas, air, oil, water and solvents. 122NN can be used on regulators, reducing valve actuators, or any diaphragm service.