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Piston Style - Imperial










Urethane U-cups fit into standard deep loaded U-cup glands.
For groove dimensions please reference the loaded U-cup section.

Part Number
C/S
 Nominal Seal
Height
I.D.
O.D.
PI 18700875312
3/16
7/8
1 - 1/4
5/16
PI 18701125312
3/16
1 - 1/8
1 - 1/2
5/16
PI 18701375312
3/16
1 - 3/8
1 - 3/4
5/16
PI 18701625312
3/16
1 - 5/8
2
5/16
PI 18702125312
3/16
2 - 1/8
2 - 1/2
5/16
PI 25000750375
1/4
3/4
1 - 1/4
3/8
PI 25001000375
1/4
1
1 - 1/2
3/8
PI 25001250375
1/4
1 - 1/4
1 - 3/4
3/8
PI 25001500375
1/4
1 - 1/2
2
3/8
PI 25001750375
1/4
1 - 3/4
2 - 1/4
3/8
PI 25002000375
1/4
2
2 - 1/2
3/8
PI 25002250375
1/4
2 - 1/4
2 - 3/4
3/8
PI 25002500375
1/4
2 - 1/2
3
3/8
PI 25002750375
1/4
2 - 3/4
3 - 1/4
3/8
PI 25003000375
1/4
3
3 - 1/2
3/8
PI 25003250375
1/4
3 - 1/4
3 - 3/4
3/8
PI 25003500375
1/4
3 - 1/2
4
3/8
PI 25004000375
1/4
4
4 - 1/2
3/8
PI 25004500375
1/4
4 - 1/2
5
3/8
PI 25005000375
1/4
5
5 - 1/2
3/8
Part Number
C/S
 Nominal Seal
Height
I.D.
O.D.
PI 25005500375
1/4
5 - 1/2
6
3/8
PI 31201375500
5/16
1 - 3/8
2
1/2
PI 31201875500
5/16
1 - 7/8
2 - 1/2
1/2
PI 31202375500
5/16
2 - 3/8
3
1/2
PI 31202875500
5/16
2 - 7/8
3 - 1/2
1/2
PI 31203375500
5/16
3 - 3/8
4
1/2
PI 31203875500
5/16
3 - 7/8
4 - 1/2
1/2
PI 31205375500
5/16
5 - 3/8
6
1/2
PI 37501750625
3/8
1 - 3/4
2 - 1/2
5/8
PI 37502250625
3/8
2 - 1/4
3
5/8
PI 37502500625
3/8
2 - 1/2
3 - 1/4
5/8
PI 37502750625
3/8
2 - 3/4
3 - 1/2
5/8
PI 37503250625
3/8
3 - 1/4
4
5/8
PI 37503750625
3/8
3 - 3/4
4 - 1/2
5/8
PI 37504250625
3/8
4 - 1/4
5
5/8
PI 37504750625
3/8
4 - 3/4
5 - 1/2
5/8
PI 37505250625
3/8
5 - 1/4
6
5/8
PI 37505750625
3/8
5 - 3/4
6 - 1/2
5/8
PI 37506250625
3/8
6 - 1/4
7
5/8
PI 37507250625
3/8
7 - 1/4
8
5/8

Custom sizes are available through Hi-Tech Seals. Please contact a sales representative with your desired size.