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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

PSU-1.50X1.00X.375 N/A 3/8 Inch (in) Seal Height, 1-1/2 Inch (in) Bore Diameter, and 1 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 1-1/2 in N/A 1 in N/A {}
PSU-1.50X1.12X.250 N/A 1/4 Inch (in) Seal Height, 1-1/2 Inch (in) Bore Diameter, and 1-1/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 1-1/2 in N/A 1-1/8 in N/A {}
PSU-1.50X1.25X.187 N/A 3/16 Inch (in) Seal Height, 1-1/2 Inch (in) Bore Diameter, and 1-1/4 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 1-1/2 in N/A 1-1/4 in N/A {}
PSU-1.75X1.25X.250 N/A 1/4 Inch (in) Seal Height, 1-3/4 Inch (in) Bore Diameter, and 1-1/4 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 1-3/4 in N/A 1-1/4 in N/A {}
PSU-1.75X1.25X.375 N/A 3/8 Inch (in) Seal Height, 1-3/4 Inch (in) Bore Diameter, and 1-1/4 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 1-3/4 in N/A 1-1/4 in N/A {}
PSU-1.75X1.37X.250 N/A 1/4 Inch (in) Seal Height, 1-3/4 Inch (in) Bore Diameter, and 1-3/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 1-3/4 in N/A 1-3/8 in N/A {}
PSU-1.75X1.37X.500 N/A 1/2 Inch (in) Seal Height, 1-3/4 Inch (in) Bore Diameter, and 1-13/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 1-3/4 in N/A 1-13/8 in N/A {}
PSU-2.00X1.50X.375 N/A 3/8 Inch (in) Seal Height, 2 Inch (in) Bore Diameter, and 1-1/2 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 2 in N/A 1-1/2 in N/A {}
PSU-2.00X1.62X.312 N/A 5/16 Inch (in) Seal Height, 2 Inch (in) Bore Diameter, and 1-5/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 2 in N/A 1-5/8 in N/A {}
PSU-2.00X1.62X.375 N/A 3/8 Inch (in) Seal Height, 2 Inch (in) Bore Diameter, and 1-5/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 2 in N/A 1-5/8 in N/A {}
PSU-2.25X1.87X.31 N/A 5/16 Inch (in) Seal Height, 2-1/4 Inch (in) Bore Diameter, and 1-7/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 2-1/4 in N/A 1-7/8 in N/A {}
PSU-2.50X2.00X.375 N/A 3/8 Inch (in) Seal Height, 2-1/2 Inch (in) Bore Diameter, and 2 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 2-1/2 in N/A 2 in N/A {}
PSU-2.50X2.12X.312 N/A 5/16 Inch (in) Seal Height, 2-1/2 Inch (in) Bore Diameter, and 2-1/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 2-1/2 in N/A 2-1/8 in N/A {}
PSU-2.50X2.12X.375 N/A 3/8 Inch (in) Seal Height, 2-1/2 Inch (in) Bore Diameter, and 2-1/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 2-1/2 in N/A 2-1/8 in N/A {}
PSU-2.75X2.37X.312 N/A 5/16 Inch (in) Seal Height, 2-3/4 Inch (in) Bore Diameter, and 2-3/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 2-3/4 in N/A 2-3/8 in N/A {}
PSU-3.00X2.50X.375 N/A 3/8 Inch (in) Seal Height, 3 Inch (in) Bore Diameter, and 2-1/2 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 3 in N/A 2-1/2 in N/A {}
PSU-3.00X2.50X.500 N/A 1/2 Inch (in) Seal Height, 3 Inch (in) Bore Diameter, and 2-1/2 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 3 in N/A 2-1/2 in N/A {}
PSU-3.00X2.62X.312 N/A 5/16 Inch (in) Seal Height, 3 Inch (in) Bore Diameter, and 2-5/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 3 in N/A 2-5/8 in N/A {}
PSU-3.00X2.62X.375 N/A 3/8 Inch (in) Seal Height, 3 Inch (in) Bore Diameter, and 2-5/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 3 in N/A 2-5/8 in N/A {}
PSU-3.25X2.75X.550 N/A 0.550 Inch (in) Seal Height, 3-1/4 Inch (in) Bore Diameter, and 2-3/4 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 3-1/4 in N/A 2-3/4 in N/A {}
PSU-3.25X2.87X.312 N/A 0.312 Inch (in) Seal Height, 3-1/4 Inch (in) Bore Diameter, and 2-7/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 3-1/4 in N/A 2-7/8 in N/A {}
PSU-3.50X3.00X.375 N/A 3/8 Inch (in) Seal Height, 3-1/2 Inch (in) Bore Diameter, and 3 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 3-1/2 in N/A 3 in N/A {}
PSU-3.50X3.12X.312 N/A 5/16 Inch (in) Seal Height, 3-1/2 Inch (in) Bore Diameter, and 3-1/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 3-1/2 in N/A 3-1/8 in N/A {}
PSU-3.50X3.12X.375 N/A 3/8 Inch (in) Seal Height, 3-1/2 Inch (in) Bore Diameter, and 3-1/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 3-1/2 in N/A 3-1/8 in N/A {}
PSU-3.75X3.37X.312 N/A 5/16 Inch (in) Seal Height, 3-3/4 Inch (in) Bore Diameter, and 3-3/8 Inch (in) Groove Diameter Uni-Ring Piston Seal N/A 3-3/4 in N/A 3-3/8 in N/A {}
Unit of Measure
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