Mechanical Seal - Type 21 M. Double x 12mm Sil Carb. & Cer.

Style: Type 21 METRIC series Double ended Seal with Silica Carbide face one end and Standard Ceramic the other.



Dimensions:

Shaft: 14 mm

Seat Bore: 30.0 mm

Seat Thickness: 4.1 mm x 2

Working Length: 31.0 mm (As measured from the rotating face to the back of the spring, under normal compression.)



Materials:

Rubber Parts: NBR Rubber

Faces:Standard Ceramic one end & Silicon carbide (suitable for abrasive materials suspended in water) the other end



Typical Applications: None given