STYLE DPU HEAVY DUTY PISTON U-SEALS

 

     
SEAL INFORMATION
MATERIAL 92A URETHANE
TEMPERATURE RANGE -65° to +230° F
PRESSURE RANGE 0 to 6,000 PSI
MAX SPEED 3FT/SEC

MAXIMUM EXTRUSION GAP
PRESSURE 1,000 PSI 3,000 PSI 5,000 PSI 6,000 PSI
MAX. RADIAL GAP (INCH) .032 .015 .012 .009


Specifically designed as piston seals, these u-seals are engineered to seal on their outside diameter. They offer extended service life and maximum reliability in piston sealing.  Specifically designed as piston seals, these u-seals are engineered to seal on their outside diameter. They offer extended service life and maximum reliability in piston sealing. Extrusion gaps must be kept to a minimum  for pressures above 6,000 psi.

  

Part #

Cross
Section

Nom. I.D.

Nom. O.D.

Nom. Height

Groove Width

Groove
Diameter

Bore
Diameter

List
Price

DPU12-0.75-12

1/8

3/4

1

1/8

.156

.750

1.000

$7.56

DPU12-1.00-25

1/8

1

1-1/4

1/4

.281

1.000

1.250

$8.94

DPU18-1.25-31

3/16

1-1/4

1-5/8

5/16

.343

1.250

1.625

$14.48

DPU18-1.37-31

3/16

1-3/8

1-3/4

5/16

.343

1.375

1.750

$12.00

DPU18-1.75-31

3/16

1-3/4

2-1/8

5/16

.343

1.750

2.125

$14.14

DPU18-1.75-37

3/16

1-3/4

2-1/8

3/8

.406

1.750

2.125

$10.17

DPU18-2.00-37

3/16

2

2-3/8

3/8

.406

2.000

2.375

$12.59

DPU18-2.12-18

3/16

2-1/8

2-1/2

3/16

.217

2.125

2.500

$18.46

DPU18-2.12-31

3/16

2-1/8

2-1/2

5/16

.343

2.125

2.500

$18.46

DPU18-2.12-37

3/16

2-1/8

2-1/2

3/8

.406

2.125

2.500

$18.46

DPU18-3.12-37

3/16

3-1/8

3-1/2

3/8

.406

3.125

3.500

$21.38

DPU21-0.25-37

7/32

1/4

11/16

3/8

.406

.250

.688

$7.03

DPU25-1.00-35

1/4

1

1-1/2

.357

.388

1.000

1.500

$9.34

DPU25-1.00-37

1/4

1

1-1/2

3/8

.406

1.000

1.500

$9.65

DPU25-1.12-31

1/4

1-1/8

1-5/8

5/16

.343

1.125

1.625

$10.05

DPU25-1.25-37

1/4

1-1/4

1-3/4

3/8

.406

1.250

1.750

$11.13

DPU25-1.50-31

1/4

1-1/2

2

5/16

.343

1.500

2.000

$11.86

DPU25-1.50-37

1/4

1-1/2

2

3/8

.406

1.500

2.000

$11.86

DPU25-1.75-37

1/4

1-3/4

2-1/4

3/8

.406

1.750

2.250

$14.96

DPU25-2.00-37

1/4

2

2-1/2

3/8

.406

2.000

2.500

$15.31

DPU25-2.06-25

1/4

2-1/16

2-9/16

1/4

.281

2.062

2.563

$19.99

DPU25-2.06-34

1/4

2-1/16

2-9/16

11/32

.375

2.062

2.563

$19.99

DPU25-2.25-31

1/4

2-1/4

2-3/4

5/16

.343

2.250

2.750

$20.80

DPU25-2.25-37

1/4

2-1/4

2-3/4

3/8

.406

2.250

2.750

$16.57

DPU25-2.50-37

1/4

2-1/2

3

3/8

.406

2.500

3.000

$15.88

DPU25-2.75-37

1/4

2-3/4

3-1/4

3/8

.406

2.750

3.250

$17.43

DPU25-3.00-37

1/4

3

3-1/2

3/8

.406

3.000

3.500

$17.80

DPU25-3.12-37

1/4

3-1/8

3-5/8

3/8

.406

3.125

3.625

$21.99

DPU25-3.25-37

1/4

3-1/4

3-3/4

3/8

.406

3.250

3.750

$18.82

DPU25-3.50-37

1/4

3-1/2

4

3/8

.406

3.500

4.000

$21.11

DPU25-3.62-37

1/4

3-5/8

4-1/8

3/8

.406

3.625

4.125

$21.46

DPU25-3.75-37

1/4

3-3/4

4-1/4

3/8

.406

3.750

4.250

$21.74

DPU25-4.00-37

1/4

4

4-1/2

3/8

.406

4.000

4.500

$26.90

DPU25-4.00-56

1/4

4

4-1/2

9/16

.594

4.000

4.500

$27.45

DPU25-4.50-37

1/4

4-1/2

5

3/8

.406

4.500

5.000

$27.97

DPU25-4.50-43

1/4

4-1/2

5

7/16

.468

4.500

5.000

$37.77

DPU25-4.50-56

1/4

4-1/2

5

9/16

.594

4.500

5.000

$29.46

DPU25-5.00-37

1/4

5

5-1/2

3/8

.406

5.000

5.500

$29.71

DPU25-5.00-56

1/4

5

5-1/2

9/16

.594

5.000

5.500

$37.36

DPU25-5.50-25

1/4

5-1/2

6

1/4

.281

5.500

6.000

$37.36

DPU25-5.50-37

1/4

5-1/2

6

3/8

.406

5.500

6.000

$37.36

DPU25-5.50-50

1/4

5-1/2

6

1/2

.531

5.500

6.000

$37.36

DPU25-5.50-56

1/4

5-1/2

6

9/16

.594

5.500

6.000

$37.36

DPU31-1.12-50

5/16

1-1/8

1-3/4

1/2

.531

1.125

1.750

$11.69

DPU31-1.25-47

5/16

1-1/4

1-7/8

.471

.500

1.250

1.875

$12.13

DPU31-1.37-37

5/16

1-3/8

2

3/8

.406

1.375

2.000

$18.25

DPU31-1.37-43

5/16

1-3/8

2

7/16

.468

1.375

2.000

$13.72

DPU31-1.37-44

5/16

1-3/8

2

7/16

.468

1.375

2.000

$19.38

DPU31-1.37-50

5/16

1-3/8

2

1/2

.531

1.375

2.000

$13.72

DPU31-1.62-50

5/16

1-5/8

2-1/4

1/2

.531

1.625

2.250

$14.14

DPU31-1.87-37

5/16

1-7/8

2-1/2

3/8

.406

1.875

2.500

$14.58

DPU31-1.87-50

5/16

1-7/8

2-1/2

1/2

.531

1.875

2.500

$22.78

DPU31-2.37-37

5/16

2-3/8

3

3/8

.406

2.375

3.000

$18.05

DPU31-2.37-50

5/16

2-3/8

3

1/2

.531

2.375

3.000

$22.08

DPU31-2.87-50

5/16

2-7/8

3-1/2

1/2

.531

2.875

3.500

$22.39

DPU31-3.37-37

5/16

3-3/8

4

3/8

.406

3.375

4.000

$22.77

DPU31-3.37-50

5/16

3-3/8

4

1/2

.531

3.375

4.000

$22.77

DPU31-3.62-37

5/16

3-5/8

4-1/4

3/8

.406

3.625

4.250

$23.86

DPU31-3.62-50

5/16

3-5/8

4-1/4

1/2

.531

3.625

4.250

$23.86

DPU31-3.87-50

5/16

3-7/8

4-1/2

1/2

.531

3.875

4.500

$26.90

DPU31-5.37-50

5/16

5-3/8

6

1/2

.531

5.375

6.000

$43.71

DPU32-1.62-39

.32

1-5/8

2.266

.39

.421

1.625

2.266

$15.60

DPU37-1.75-62

3/8

1-3/4

2-1/2

5/8

.656

1.750

2.500

$17.67

DPU37-2.25-62

3/8

2-1/4

3

5/8

.656

2.250

3.000

$19.41

DPU37-2.50-62

3/8

2-1/2

3-1/4

5/8

.656

2.500

3.250

$36.92

DPU37-2.75-37

3/8

2-3/4

3-1/2

3/8

.406

2.750

3.500

$20.63

DPU37-2.75-62

3/8

2-3/4

3-1/2

5/8

.656

2.750

3.500

$25.00

DPU37-3.00-37

3/8

3

3-3/4

3/8

.406

3.000

3.750

$24.67

DPU37-3.00-47-AN

3/8

3

3-3/4

.469

.500

3.000

3.750

$24.67

DPU37-3.00-50

3/8

3

3-3/4

1/2

.531

3.000

3.750

$21.19

DPU37-3.25-37

3/8

3-1/4

4

3/8

.406

3.250

4.000

$21.77

DPU37-3.25-50

3/8

3-1/4

4

1/2

.531

3.250

4.000

$22.52

DPU37-3.25-62

3/8

3-1/4

4

5/8

.656

3.250

4.000

$22.52

DPU37-3.50-37

3/8

3-1/2

4-1/4

3/8

.406

3.500

4.250

$22.91

DPU37-3.75-37

3/8

3-3/4

4-1/2

3/8

.406

3.750

4.500

$27.37

 
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