Style: Type 21E inch/imperial series
Dimensions:
Shaft: 1-1/8" (28.6 mm)
Seat Bore: 44.5 mm
Seat Thickness: 11.1 mm
Working Length: 27.0 mm (As measured from the rotating face to the back of the spring, under normal compression.)
Materials:
Rubber Parts: Viton (suitable for distillates and high temperature water over 70 degrees celsius)
Faces: Silicon carbide (suitable for abrasive materials suspended in water)
Typical Applications: Ajax, Davey, Mono, Southern Cross N Series, Thompson Kelly & Lewis