Bonded (Dowty)Washers

A bonded seal is a type of washer used to provide a seal around a screw or bolt, it is a rectangular section with a trapezoidal shaped ring of vulcanized rubber bonded to the inside. Both the washer and the material can be selected to suit a given application. The bonded seal offers an ideal sealing solution to a wide range of engineering applications. Hydraulic, mechanical and pneumatic sectors all benefit from the high pressure and high temperature characteristics.

Design Types

Self-Centralising type with additional flap of rubber on the internal diameter to locate the bonded seal at the centre of the hole

 Standard type

 

Metal Ring Materials: Mild Steel, Stainless Steel

Rubber Seal Materials: NBR, EPDM, Viton

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