Type 21E Metric Seals

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

Product Code: 
S21M14DSC


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

Mechanical Seal - Type 21 Metric x 10mm

Product Code: 
S21M10


Style: Type 21 METRIC series



Dimensions:

Shaft: 10 mm

Seat Bore: 23.7 mm

Seat Thickness: 6.3 mm

Working Length: 20.0 mm (As measured from the rotating face to the back of the spring, under normal compression.)



Materials:

Rubber Parts: NBR Rubber

Faces: Standard Ceramic



Mechanical Seal - Type 21 Metric x 12mm

Product Code: 
S21M12


Style: Type 21 METRIC series



Dimensions:

Shaft: 12 mm

Seat Bore: 25.2 mm

Seat Thickness: 6.0 mm

Working Length: 22.0 mm (As measured from the rotating face to the back of the spring, under normal compression.)



Materials:

Rubber Parts: NBR Rubber

Faces: Standard Ceramic



Mechanical Seal - Type 21 Metric x 14 mm Standard

Product Code: 
S21M14S


Style: Type 21 METRIC series



Dimensions:

Shaft: 14 mm

Seat Bore: 30.0 mm

Seat Thickness: 4.1 mm

Working Length: 21.0 mm (As measured from the rotating face to the back of the spring, under normal compression.)



Materials:

Rubber Parts: NBR Rubber

Faces:Standard Ceramic



Mechanical Seal - Type 21 Metric x 15mm

Product Code: 
S21M15


Style: Type 21 METRIC series



Dimensions:

Shaft: 15.0 mm

Seat Bore: 28.0 mm

Seat Thickness: 6.0 mm

Working Length: 22.0 mm (As measured from the rotating face to the back of the spring, under normal compression.)



Materials:

Rubber Parts: NBR Rubber

Faces: Standard Ceramic



Mechanical Seal - Type 21 Metric x 16mm

Product Code: 
S21M16


Style: Type 21 METRIC series



Dimensions:

Shaft: 16.0 mm

Seat Bore: 32.0 mm

Seat Thickness: 7.0 mm

Working Length: 22.0 mm (As measured from the rotating face to the back of the spring, under normal compression.)



Materials:

Rubber Parts: NBR Rubber

Faces: Standard Ceramic



Mechanical Seal - Type 21 Metric x 20 mm si.carb.viton

Product Code: 
S21M20SCV


Style: Type 21 METRIC series



Dimensions:

Shaft: 20.0 mm

Seat Bore: 38.5 mm

Seat Thickness: 7.0 mm

Working Length: 24.0 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)

Mechanical Seal - Type 21 Metric x 20mm

Product Code: 
S21M20


Style: Type 21 METRIC series



Dimensions:

Shaft: 20.0 mm

Seat Bore: 38.5 mm

Seat Thickness: 7.0 mm

Working Length: 24.0 mm (As measured from the rotating face to the back of the spring, under normal compression.)



Materials:

Rubber Parts: NBR Rubber

Faces: Standard Ceramic



Mechanical Seal - Type 21 Metric x 25mm

Product Code: 
S21M25


Style: Type 21 METRIC series



Dimensions:

Shaft: 25.0 mm

Seat Bore: 44.0 mm

Seat Thickness: 8.0 mm

Working Length: 27.0 mm (As measured from the rotating face to the back of the spring, under normal compression.)



Materials:

Rubber Parts: NBR Rubber

Faces: Standard Ceramic



Mechanical Seal - Type 21 Metric x 30 mm

Product Code: 
S21M30


Style: Type 21 METRIC series



Dimensions:

Shaft: 30.0 mm

Seat Bore: 50.0 mm

Seat Thickness: 9.0 mm

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



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