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2 piece piston seals are available in materials including glass filled PTFE, bronze filled PTFE, and urethane.
PSB Piston Seals
Unit of Measure
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Item #

Item Description

Bore Diameter

Groove Diameter

Groove Width

List Price

10X3/8PBR-A N/A 0.379 Inch (in) Groove Width, 10 Inch (in) Bore Diameter, and 9.122 Inch (in) Groove Diameter TFE-R-29 Bronze Piston Seal Assembly N/A 10 in N/A 9.122 in N/A 0.379 in {}
10X3/8PSR-A N/A 0.379 Inch (in) Groove Width, 10 Inch (in) Bore Diameter, and 9.122 Inch (in) Groove Diameter TFE-R-29 Piston Seal Assembly N/A 10 in N/A 9.122 in N/A 0.379 in {}
11/2X1/8PBR-A N/A 0.129 Inch (in) Groove Width, 1-1/2 Inch (in) Bore Diameter, and 1.192 Inch (in) Groove Diameter TFE-R-3 Bronze Piston Seal Assembly N/A 1-1/2 in N/A 1.192 in N/A 0.129 in {}
11/2X1/8PSR-A N/A 0.129 Inch (in) Groove Width, 1-1/2 Inch (in) Bore Diameter, and 1.192 Inch (in) Groove Diameter TFE-R-3 Piston Seal Assembly N/A 1-1/2 in N/A 1.192 in N/A 0.129 in {}
11/4X1/8PS-A N/A 0.129 Inch (in) Groove Width, 1-1/4 Inch (in) Bore Diameter, and 0.942 Inch (in) Groove Diameter TFE-R-2 119S N70 Piston Seal Assembly N/A 1-1/4 in N/A 0.942 in N/A 0.129 in {}
11X3/8PBR-A N/A 0.379 Inch (in) Groove Width, 11 Inch (in) Bore Diameter, and 10.122 Inch (in) Groove Diameter TFE-R-30 Bronze Piston Seal Assembly N/A 11 in N/A 10.122 in N/A 0.379 in {}
12X3/8PBR-A N/A 0.379 Inch (in) Groove Width, 12 Inch (in) Bore Diameter, and 11.122 Inch (in) Groove Diameter TFE-R-31 Bronze Piston Seal Assembly N/A 12 in N/A 11.122 in N/A 0.379 in {}
13/4X1/8PSR-A N/A 0.129 Inch (in) Groove Width, 1-3/4 Inch (in) Bore Diameter, and 1.443 Inch (in) Groove Diameter TFE-R-4 Piston Seal Assembly N/A 1-3/4 in N/A 1.443 in N/A 0.129 in {}
21/2X1/8PSR-A N/A 0.129 Inch (in) Groove Width, 2-1/2 Inch (in) Bore Diameter, and 2.193 Inch (in) Groove Diameter TFE-R-7 Piston Seal Assembly N/A 2-1/2 in N/A 2.193 in N/A 0.129 in {}
21/4X1/8PSR-A N/A 0.129 Inch (in) Groove Width, 2-3/4 Inch (in) Bore Diameter, and 2.443 Inch (in) Groove Diameter TFE-R-6 Piston Seal Assembly N/A 2-3/4 in N/A 2.443 in N/A 0.129 in {}
23/4X1/8PSR-A N/A 0.129 Inch (in) Groove Width, 2-3/4 Inch (in) Bore Diameter, and 2.443 Inch (in) Groove Diameter TFE-R-8 Piston Seal Assembly N/A 2-3/4 in N/A 2.443 in N/A 0.129 in {}
2X1/8PSR-A N/A 0.129 Inch (in) Groove Width, 1 Inch (in) Bore Diameter, and 1.693 Inch (in) Groove Diameter TFE-R-5 Piston Seal Assembly N/A 1 in N/A 1.693 in N/A 0.129 in {}
31/2X1/4PSR-A N/A 0.284 Inch (in) Groove Width, 3-1/2 Inch (in) Bore Diameter, and 2.945 Inch (in) Groove Diameter TFE-R-11 Piston Seal Assembly N/A 3-1/2 in N/A 2.945 in N/A 0.284 in {}
31/4X1/4PBR-A N/A 0.284 Inch (in) Groove Width, 3-3/4 Inch (in) Bore Diameter, and 3.195 Inch (in) Groove Diameter TFE-R-10 Bronze Piston Seal Assembly N/A 3-3/4 in N/A 3.195 in N/A 0.284 in {}
31/4X1/4PSR-A N/A 0.284 Inch (in) Groove Width, 3-1/4 Inch (in) Bore Diameter, and 2.695 Inch (in) Groove Diameter TFE-R-10 Piston Seal Assembly N/A 3-1/4 in N/A 2.695 in N/A 0.284 in {}
33/4X1/4PBR-A N/A 0.284 Inch (in) Groove Width, 3-3/4 Inch (in) Bore Diameter, and 3.195 Inch (in) Groove Diameter TFE-R-12 Bronze Piston Seal Assembly N/A 3-3/4 in N/A 3.195 in N/A 0.284 in {}
33/4X1/4PSR-A N/A 0.284 Inch (in) Groove Width, 3-3/4 Inch (in) Bore Diameter, and 3.195 Inch (in) Groove Diameter TFE-R-12 Piston Seal Assembly N/A 3-3/4 in N/A 3.195 in N/A 0.284 in {}
3X1/4PBR-A N/A 0.284 Inch (in) Groove Width, 3 Inch (in) Bore Diameter, and 2.443 Inch (in) Groove Diameter TFE-R-9 Bronze Piston Seal Assembly N/A 3 in N/A 2.443 in N/A 0.284 in {}
3X1/4PSR-A N/A 0.284 Inch (in) Groove Width, 3 Inch (in) Bore Diameter, and 2.443 Inch (in) Groove Diameter TFE-R-9 Piston Seal Assembly N/A 3 in N/A 2.443 in N/A 0.284 in {}
41/2X1/4PBR-A N/A 0.284 Inch (in) Groove Width, 4 Inch (in) Bore Diameter, and 3.695 Inch (in) Groove Diameter TFE-R-15 Bronze Piston Seal Assembly N/A 4 in N/A 3.695 in N/A 0.284 in {}
41/2X1/4PSR-A N/A 0.284 Inch (in) Groove Width, 4 Inch (in) Bore Diameter, and 3.695 Inch (in) Groove Diameter TFE-R-15 Piston Seal Assembly N/A 4 in N/A 3.695 in N/A 0.284 in {}
41/4X1/4PSR-A N/A 0.284 Inch (in) Groove Width, 4-1/4 Inch (in) Bore Diameter, and 3.695 Inch (in) Groove Diameter TFE-R-14 Piston Seal Assembly N/A 4-1/4 in N/A 3.695 in N/A 0.284 in {}
43/4X1/4PBR-A N/A 0.284 Inch (in) Groove Width, 4-3/4 Inch (in) Bore Diameter, and 4.195 Inch (in) Groove Diameter TFE-R-16 Bronze Piston Seal Assembly N/A 4-3/4 in N/A 4.195 in N/A 0.284 in {}
43/4X1/4PSR-A N/A 0.284 Inch (in) Groove Width, 4-3/4 Inch (in) Bore Diameter, and 4.195 Inch (in) Groove Diameter TFE-R-16 Piston Seal Assembly N/A 4-3/4 in N/A 4.195 in N/A 0.284 in {}
4X1/4PBR-A N/A 0.284 Inch (in) Groove Width, 4 Inch (in) Bore Diameter, and 3.445 Inch (in) Groove Diameter TFE-R-13 Bronze Piston Seal Assembly N/A 4 in N/A 3.445 in N/A 0.284 in {}
Unit of Measure
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