Style: Type 21E inch/imperial series
Dimensions:
Shaft: 1-1/2" (38.1 mm)
Seat Bore: 54.0 mm
Seat Thickness: 11.1 mm
Working Length: 28.6 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: Suits Ajax, Powermac & others