AST 70 Dimensions

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AST 70
SINGLE CARTRIDGE SEAL

 

The AST 70 seal requires 3/8 inch radial cross section space in shaft sizes through 2.500 inches, and 1/2 inch cross section in larger sizes.  The standard gland is slotted to accommodate a range of bolt circles.  Seals are also available from stock to fit popular pumps with oversize seal chambers.

 

AST 70 cross section

SHAFT SIZE ROTARY OD MINIMUM
BOX BORE
GLAND O-RING GLAND OD
ID OD
1.000 1.69 1.750 1.88 2.25 4.09
1.125 1.81 1.875 2.00 2.38 4.22
1.250 1.94 2.000 2.13 2.50 4.34
1.375 2.06 2.125 2.25 2.63 4.47
1.438 2.19 2.250 2.38 2.75 4.97
1.500 2.19 2.250 2.38 2.75 4.97
1.625 2.31 2.375 2.50 2.88 4.97
1.688 2.44 2.500 2.63 3.00 5.47
1.750 2.44 2.500 2.63 3.00 5.47
1.875 2.56 2.625 2.75 3.11 5.47
1.938 2.69 2.750 2.88 3.25 5.47
2.000 2.69 2.750 2.88 3.25 5.47
2.125 2.81 2.875 3.00 3.38 5.97
2.188 2.94 3.000 3.13 3.50 6.22
2.250 2.94 3.000 3.13 3.50 6.22
2.375 3.06 3.125 3.25 3.63 6.22
2.438 3.19 3.250 3.38 3.75 6.47
2.500 3.19 3.250 3.38 3.75 6.47
2.625 3.54 3.625 3.75 4.13 7.63
2.750 3.66 3.750 3.88 4.25 7.75
2.875 3.79 3.875 4.00 4.38 7.88
3.000 3.91 4.000 4.13 4.50 8.00
3.125 4.04 4.125 4.25 4.63 8.13
3.250 4.16 4.250 4.38 4.75 8.25
3.375 4.29 4.375 4.50 4.88 8.38
3.500 4.41 4.500 4.63 5.00 8.50
3.625 4.54 4.625 4.75 5.13 8.63
3.750 4.66 4.750 4.88 5.25 8.75
3.875 4.79 4.875 5.00 5.38 8.88
4.000 4.91 5.000 5.13 5.50 9.00

Our Select Manufacturers

  • Flow Serve
  • Borg Warner
  • Durametallic
  • AST

Our Select Manufacturers

  • JM Clipper
  • Graftech
  • Lamons
  • Vulcan

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  • Call us at: 714-361-1435
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