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HERCULES DSU U-SEAL

    DSU U-Seal

    Used interchangeably for piston or rod sealing, these u-seals employ the same tough urethane material found in our Heavy Duty Rod and Piston U-Seals.

    SEAL INFORMATION
    MATERIAL90A URETHANE
    TEMPERATURE
    RANGE
    -50° TO +200° F
    PRESSURE
    RANGE
    0 TO 5,000 PSI
    SPEED3 FT/SEC
    Part NumberA
    Nom.ID
    B
    Nom.OD
    C
    Nom.Ht
    1/8″ C/S
    DSU12-0.18-12
    DSU12-0.18-25
    DSU12-0.25-18
    DSU12-0.31-25
    DSU12-0.37-12
    DSU12-0.37-25
    DSU12-0.50-12
    DSU12-0.56-12
    DSU12-0.62-12
    DSU12-0.62-25
    DSU12-0.75-12
    DSU12-0.75-18
    DSU12-0.75-25
    DSU12-0.87-12
    DSU12-0.87-17
    DSU12-0.87-25
    DSU12-1.00-12
    DSU12-1.00-15
    DSU12-1.00-18
    DSU12-1.00-25
    DSU12-1.12-12
    DSU12-1.12-25
    DSU12-1.25-12
    DSU12-1.25-15
    DSU12-1.25-18
    DSU12-1.25-25
    DSU12-1.31-25
    DSU12-1.37-25
    DSU12-1.50-25
    3/16
    3/16
    1/4
    5/16
    3/8
    3/8
    1/2
    9/16
    5/8
    5/8
    3/4
    3/4
    3/4
    7/8
    7/8
    7/8
    1
    1
    1
    1
    1-1/8
    1-1/8
    1-1/4
    1-1/4
    1-1/4
    1-1/4
    1-5/16
    1-3/8
    1-1/2
    7/16
    7/16
    1/2
    9/16
    5/8
    5/8
    3/4
    13/16
    7/8
    7/8
    1
    1
    1
    1-1/8
    1-1/8
    1-1/8
    1-1/4
    1-1/4
    1-1/4
    1-1/4
    1-3/8
    1-3/8
    1-1/2
    1-1/2
    1-1/2
    1-1/2
    1-9/16
    1-5/8
    1-3/4
    1/8
    1/4
    3/16
    1/4
    1/8
    1/4
    1/8
    1/8
    1/8
    1/4
    1/8
    3/16
    1/4
    1/8
    11/64
    1/4
    1/8
    5/32
    3/16
    1/4
    1/8
    1/4
    1/8
    5/32
    3/16
    1/4
    1/4
    1/4
    1/4
    3/16″ C/S
    DSU18-0.25-25
    DSU18-0.25-31
    DSU18-0.37-31
    DSU18-0.50-18
    DSU18-0.50-31
    DSU18-0.56-18
    DSU18-0.62-18
    DSU18-0.62-25
    DSU18-0.62-31
    DSU18-0.75-18
    DSU18-0.75-25
    DSU18-0.87-25
    DSU18-1.00-18
    DSU18-1.00-25
    DSU18-1.00-31
    DSU18-1.12-18
    DSU18-1.12-25
    DSU18-1.12-31
    DSU18-1.25-25
    DSU18-1.25-31
    DSU18-1.37-25
    DSU18-1.37-31
    DSU18-1.43-25
    DSU18-1.50-18
    DSU18-1.50-25
    DSU18-1.50-31
    DSU18-1.50-37
    DSU18-1.62-25
    DSU18-1.62-31
    DSU18-1.62-37
    DSU18-1.75-25
    DSU18-1.75-37
    DSU18-1.87-37
    DSU18-2.00-25
    DSU18-2.00-31
    DSU18-2.00-37
    DSU18-2.12-25
    DSU18-2.12-31
    DSU18-2.12-37
    DSU18-2.25-31
    DSU18-2.25-37
    DSU18-2.37-37
    DSU18-2.50-25
    DSU18-2.50-37
    DSU18-2.62-25
    DSU18-2.62-37
    DSU18-2.87-25
    DSU18-2.87-37
    DSU18-3.00-37
    DSU18-3.12-37
    DSU18-3.25-37
    DSU18-3.37-37
    DSU18-3.50-37
    DSU18-3.62-25
    DSU18-3.62-37
    DSU18-3.75-37
    DSU18-4.00-37
    DSU18-4.37-37
    1/4
    1/4
    3/8
    1/2
    1/2
    9/16
    5/8
    5/8
    5/8
    3/4
    3/4
    7/8
    1
    1
    1
    1-1/8
    1-1/8
    1-1/8
    1-1/4
    1-1/4
    1-3/8
    1-3/8
    1-7/16
    1-1/2
    1-1/2
    1-1/2
    1-1/2
    1-5/8
    1-5/8
    1-5/8
    1-3/4
    1-3/4
    1-7/8
    2
    2
    2
    2-1/8
    2-1/8
    2-1/8
    2-1/4
    2-1/4
    2-3/8
    2-1/2
    2-1/2
    2-5/8
    2-5/8
    2-7/8
    2-7/8
    3
    3-1/8
    3-1/4
    3-3/8
    3-1/2
    3-5/8
    3-5/8
    3-3/4
    4
    4-3/8
    5/8
    5/8
    3/4
    7/8
    7/8
    15/16
    1
    1
    1
    1-1/8
    1-1/8
    1-1/4
    1-3/8
    1-3/8
    1-3/8
    1-1/2
    1-1/2
    1-1/2
    1-5/8
    1-5/8
    1-3/4
    1-3/4
    1-13/16
    1-7/8
    1-7/8
    1-7/8
    1-7/8
    2
    2
    2
    2-1/8
    2-1/8
    2-1/4
    2-3/8
    2-3/8
    2-3/8
    2-1/2
    2-1/2
    2-1/2
    2-5/8
    2-5/8
    2-3/4
    2-7/8
    2-7/8
    3
    3
    3-1/4
    3-1/4
    3-3/8
    3-1/2
    3-5/8
    3-3/4
    3-7/8
    4
    4
    4-1/8
    4-3/8
    4-3/4
    1/4
    5/16
    5/16
    3/16
    5/16
    3/16
    3/16
    1/4
    5/16
    3/16
    1/4
    1/4
    3/16
    1/4
    5/16
    3/16
    1/4
    5/16
    1/4
    5/16
    1/4
    5/16
    1/4
    3/16
    1/4
    5/16
    3/8
    1/4
    5/16
    3/8
    1/4
    3/8
    3/8
    1/4
    5/16
    3/8
    1/4
    5/16
    3/8
    5/16
    3/8
    3/8
    1/4
    3/8
    1/4
    3/8
    1/4
    3/8
    3/8
    3/8
    3/8
    3/8
    3/8
    1/4
    3/8
    3/8
    3/8
    3/8
    1/4″ C/S
    DSU25-0.50-25
    DSU25-0.50-37
    DSU25-0.62-25
    DSU25-0.62-37
    DSU25-0.68-37
    DSU25-0.75-25
    DSU25-0.75-37
    DSU25-0.87-25
    DSU25-0.87-37
    DSU25-0.93-25
    DSU25-1.00-25
    DSU25-1.00-31
    DSU25-1.00-37
    DSU25-1.12-31
    DSU25-1.12-37
    DSU25-1.18-25
    DSU25-1.25-25
    DSU25-1.25-31
    DSU25-1.25-37
    DSU25-1.37-25
    DSU25-1.37-37
    DSU25-1.50-25
    DSU25-1.50-31
    DSU25-1.50-37
    DSU25-1.75-25
    DSU25-1.75-31
    DSU25-1.75-37
    DSU25-2.00-25
    DSU25-2.00-37
    DSU25-2.12-37
    DSU25-2.25-31
    DSU25-2.25-37
    DSU25-2.37-37
    DSU25-2.50-25
    DSU25-2.50-31
    DSU25-2.50-37
    DSU25-2.62-37
    DSU25-2.75-37
    DSU25-2.87-37
    DSU25-3.00-25
    DSU25-3.00-37
    DSU25-3.25-37
    DSU25-3.37-37
    DSU25-3.50-25
    DSU25-3.50-37
    DSU25-3.62-37
    DSU25-3.75-37
    DSU25-4.00-56
    DSU25-4.12-56
    DSU25-4.25-37
    DSU25-4.50-37
    DSU25-4.50-50
    DSU25-4.50-56
    DSU25-4.75-37
    DSU25-4.75-56
    DSU25-5.25-56
    DSU25-5.37-37
    DSU25-5.62-37
    DSU25-6.00-37
    DSU25-6.00-56
    DSU25-6.25-50
    DSU25-6.50-37
    DSU25-6.50-50
    DSU25-7.00-56
    DSU25-8.50-37
    1/2
    1/2
    5/8
    5/8
    11/16
    3/4
    3/4
    7/8
    7/8
    15/16
    1
    1
    1
    1-1/8
    1-1/8
    1-3/16
    1-1/4
    1-1/4
    1-1/4
    1-3/8
    1-3/8
    1-1/2
    1-1/2
    1-1/2
    1-3/4
    1-3/4
    1-3/4
    2
    2
    2-1/8
    2-1/4
    2-1/4
    2-3/8
    2-1/2
    2-1/2
    2-1/2
    2-5/8
    2-3/4
    2-7/8
    3
    3
    3-1/4
    3-3/8
    3-1/2
    3-1/2
    3-5/8
    3-3/4
    4
    4-1/8
    4-1/4
    4-1/2
    4-1/2
    4-1/2
    4-3/4
    4-3/4
    5-1/4
    5-3/8
    5-5/8
    6
    6
    6-1/4
    6-1/2
    6-1/2
    7
    8-1/2
    1
    1
    1-1/8
    1-1/8
    1-3/16
    1-1/4
    1-1/4
    1-3/8
    1-3/8
    1-7/16
    1-1/2
    1-1/2
    1-1/2
    1-5/8
    1-5/8
    1-11/16
    1-3/4
    1-3/4
    1-3/4
    1-7/8
    1-7/8
    2
    2
    2
    2-1/4
    2-1/4
    2-1/4
    2-1/2
    2-1/2
    2-5/8
    2-3/4
    2-3/4
    2-7/8
    3
    3
    3
    3-1/8
    3-1/4
    3-3/8
    3-1/2
    3-1/2
    3-3/4
    3-7/8
    4
    4
    4-1/8
    4-1/4
    4-1/2
    4-5/8
    4-3/4
    5
    5
    5
    5-1/4
    5-1/4
    5-3/4
    5-7/8
    6-1/8
    6-1/2
    6-1/2
    6-3/4
    7
    7
    7-1/2
    9
    1/4
    3/8
    1/4
    3/8
    3/8
    1/4
    3/8
    1/4
    3/8
    1/4
    1/4
    5/16
    3/8
    5/16
    3/8
    1/4
    1/4
    5/16
    3/8
    1/4
    3/8
    1/4
    5/16
    3/8
    1/4
    5/16
    3/8
    1/4
    3/8
    3/8
    5/16
    3/8
    3/8
    1/4
    5/16
    3/8
    3/8
    3/8
    3/8
    1/4
    3/8
    3/8
    3/8
    1/4
    3/8
    3/8
    3/8
    9/16
    9/16
    3/8
    3/8
    1/2
    9/16
    3/8
    9/16
    9/16
    3/8
    3/8
    3/8
    9/16
    1/2
    3/8
    1/2
    9/16
    3/8
    5/16″ C/S
    DSU31-1.25-37
    DSU31-1.25-50
    DSU31-1.37-31
    DSU31-1.37-37
    DSU31-1.50-37
    DSU31-1.62-37
    DSU31-1.75-37
    DSU31-1.75-50
    DSU31-1.87-37
    DSU31-1.87-50
    DSU31-2.00-25
    DSU31-2.00-31
    DSU31-2.00-37
    DSU31-2.12-37
    DSU31-2.25-25
    DSU31-2.25-37
    DSU31-2.25-50
    DSU31-2.37-37
    DSU31-2.37-50
    DSU31-2.50-37
    DSU31-2.50-50
    DSU31-2.62-37
    DSU31-2.62-50
    DSU31-2.87-37
    DSU31-2.87-50
    DSU31-3.00-37
    DSU31-3.00-50
    DSU31-3.12-37
    DSU31-3.12-50
    DSU31-3.50-37
    DSU31-3.50-50
    DSU31-3.62-37
    DSU31-3.87-37
    DSU31-3.87-50
    DSU31-4.00-37
    DSU31-4.12-50
    DSU31-4.37-37
    DSU31-4.37-50
    DSU31-4.37-56
    DSU31-4.50-37
    DSU31-4.50-62
    DSU31-4.75-37
    DSU31-4.75-50
    DSU31-4.75-62
    DSU31-4.87-37
    DSU31-4.87-50
    DSU31-5.12-37
    DSU31-5.12-50
    DSU31-5.25-37
    DSU31-5.37-37
    DSU31-5.37-50
    DSU31-5.37-62
    DSU31-5.50-37
    DSU31-5.62-50
    DSU31-5.87-37
    1-1/4
    1-1/4
    1-3/8
    1-3/8
    1-1/2
    1-5/8
    1-3/4
    1-3/4
    1-7/8
    1-7/8
    2
    2
    2
    2-1/8
    2-1/4
    2-1/4
    2-1/4
    2-3/8
    2-3/8
    2-1/2
    2-1/2
    2-5/8
    2-5/8
    2-7/8
    2-7/8
    3
    3
    3-1/8
    3-1/8
    3-1/2
    3-1/2
    3-5/8
    3-7/8
    3-7/8
    4
    4-1/8
    4-3/8
    4-3/8
    4-3/8
    4-1/2
    4-1/2
    4-3/4
    4-3/4
    4-3/4
    4-7/8
    4-7/8
    5-1/8
    5-1/8
    5-1/4
    5-3/8
    5-3/8
    5-3/8
    5-1/2
    5-5/8
    5-7/8
    1-7/8
    1-7/8
    2
    2
    2-1/8
    2-1/4
    2-3/8
    2-3/8
    2-1/2
    2-1/2
    2-5/8
    2-5/8
    2-5/8
    2-3/4
    2-7/8
    2-7/8
    2-7/8
    3
    3
    3-1/8
    3-1/8
    3-1/4
    3-1/4
    3-1/2
    3-1/2
    3-5/8
    3-5/8
    3-3/4
    3-3/4
    4-1/8
    4-1/8
    4-1/4
    4-1/2
    4-1/2
    4-5/8
    4-3/4
    5
    5
    5
    5-1/8
    5-1/8
    5-3/8
    5-3/8
    5-3/8
    5-1/2
    5-1/2
    5-3/4
    5-3/4
    5-7/8
    6
    6
    6
    6-1/8
    6-1/4
    6-1/2
    3/8
    1/2
    5/16
    3/8
    3/8
    3/8
    3/8
    1/2
    3/8
    1/2
    1/4
    5/16
    3/8
    3/8
    1/4
    3/8
    1/2
    3/8
    1/2
    3/8
    1/2
    3/8
    1/2
    3/8
    1/2
    3/8
    1/2
    3/8
    1/2
    3/8
    1/2
    3/8
    3/8
    1/2
    3/8
    1/2
    3/8
    1/2
    9/16
    3/8
    5/8
    3/8
    1/2
    5/8
    3/8
    1/2
    3/8
    1/2
    3/8
    3/8
    1/2
    5/8
    3/8
    1/2
    3/8
    3/8″ C/S
    DSU37-1.25-37
    DSU37-1.25-43
    DSU37-1.25-50
    DSU37-1.50-37
    DSU37-1.50-50
    DSU37-1.62-37
    DSU37-1.62-50
    DSU37-1.75-37
    DSU37-1.75-62
    DSU37-2.00-37
    DSU37-2.00-50
    DSU37-2.25-37
    DSU37-2.25-50
    DSU37-2.25-62
    DSU37-2.50-37
    DSU37-2.50-50
    DSU37-2.50-62
    DSU37-2.62-37
    DSU37-2.62-62
    DSU37-2.75-37
    DSU37-2.75-50
    DSU37-2.75-62
    DSU37-3.00-37
    DSU37-3.00-50
    DSU37-3.00-62
    DSU37-3.25-37
    DSU37-3.25-50
    DSU37-3.25-62
    DSU37-3.50-37
    DSU37-3.50-50
    DSU37-3.50-62
    DSU37-3.75-37
    DSU37-3.75-50
    DSU37-3.75-62
    DSU37-4.00-37
    DSU37-4.00-50
    DSU37-4.00-62
    DSU37-4.12-62
    DSU37-4.25-37
    DSU37-4.25-50
    DSU37-4.25-62
    DSU37-4.50-50
    DSU37-4.50-62
    DSU37-4.62-50
    DSU37-4.75-50
    DSU37-4.75-62
    DSU37-4.87-50
    DSU37-5.25-37
    DSU37-5.25-50
    DSU37-5.25-62
    DSU37-5.37-50
    DSU37-5.50-37
    DSU37-5.50-50
    DSU37-5.62-62
    DSU37-5.75-50
    DSU37-5.75-62
    DSU37-6.25-50
    DSU37-6.25-62
    DSU37-6.50-50
    DSU37-6.50-62
    DSU37-6.75-50
    DSU37-7.00-50
    DSU37-7.00-62
    DSU37-7.25-50
    DSU37-7.75-50
    DSU37-8.25-50
    DSU37-8.50-62
    1-1/4
    1-1/4
    1-1/4
    1-1/2
    1-1/2
    1-5/8
    1-5/8
    1-3/4
    1-3/4
    2
    2
    2-1/4
    2-1/4
    2-1/4
    2-1/2
    2-1/2
    2-1/2
    2-5/8
    2-5/8
    2-3/4
    2-3/4
    2-3/4
    3
    3
    3
    3-1/4
    3-1/4
    3-1/4
    3-1/2
    3-1/2
    3-1/2
    3-3/4
    3-3/4
    3-3/4
    4
    4
    4
    4-1/8
    4-1/4
    4-1/4
    4-1/4
    4-1/2
    4-1/2
    4-5/8
    4-3/4
    4-3/4
    4-7/8
    5-1/4
    5-1/4
    5-1/4
    5-3/8
    5-1/2
    5-1/2
    5-5/8
    5-3/4
    5-3/4
    6-1/4
    6-1/4
    6-1/2
    6-1/2
    6-3/4
    7
    7
    7-1/4
    7-3/4
    8-1/4
    8-1/2
    2
    2
    2
    2-1/4
    2-1/4
    2-3/8
    2-3/8
    2-1/2
    2-1/2
    2-3/4
    2-3/4
    3
    3
    3
    3-1/4
    3-1/4
    3-1/4
    3-3/8
    3-3/8
    3-1/2
    3-1/2
    3-1/2
    3-3/4
    3-3/4
    3-3/4
    4
    4
    4
    4-1/4
    4-1/4
    4-1/4
    4-1/2
    4-1/2
    4-1/2
    4-3/4
    4-3/4
    4-3/4
    4-7/8
    5
    5
    5
    5-1/4
    5-1/4
    5-3/8
    5-1/2
    5-1/2
    5-5/8
    6
    6
    6
    6-1/8
    6-1/4
    6-1/4
    6-3/8
    6-1/2
    6-1/2
    7
    7
    7-1/4
    7-1/4
    7-1/2
    7-3/4
    7-3/4
    8
    8-1/2
    9
    9-1/4
    3/8
    7/16
    1/2
    3/8
    1/2
    3/8
    1/2
    3/8
    5/8
    3/8
    1/2
    3/8
    1/2
    5/8
    3/8
    1/2
    5/8
    3/8
    5/8
    3/8
    1/2
    5/8
    3/8
    1/2
    5/8
    3/8
    1/2
    5/8
    3/8
    1/2
    5/8
    3/8
    1/2
    5/8
    3/8
    1/2
    5/8
    5/8
    3/8
    1/2
    5/8
    1/2
    5/8
    1/2
    1/2
    5/8
    1/2
    3/8
    1/2
    5/8
    1/2
    3/8
    1/2
    5/8
    1/2
    5/8
    1/2
    5/8
    1/2
    5/8
    1/2
    1/2
    5/8
    1/2
    1/2
    1/2
    5/8
    1/2″ C/S
    DSU50-1.87-62
    DSU50-2.50-68
    DSU50-3.00-62
    DSU50-3.50-50
    DSU50-3.50-62
    DSU50-6.00-62
    DSU50-6.00-75
    DSU50-6.50-75
    DSU50-7.00-62
    DSU50-7.00-75
    DSU50-7.50-75
    DSU50-7.75-75
    DSU50-8.00-62
    DSU50-8.00-75
    DSU50-9.00-62
    DSU50-9.00-75
    DSU50-10.00-75
    DSU50-11.00-75
    DSU50-12.00-75
    DSU50-15.00-75
    DSU50-17.00-75
    1-7/8
    2-1/2
    3
    3-1/2
    3-1/2
    6
    6
    6-1/2
    7
    7
    7-1/2
    7-3/4
    8
    8
    9
    9
    10
    11
    12
    15
    17
    2-7/8
    3-1/2
    4
    4-1/2
    4-1/2
    7
    7
    7-1/2
    8
    8
    8-1/2
    8-3/4
    9
    9
    10
    10
    11
    12
    13
    16
    18
    5/8
    11/16
    5/8
    1/2
    5/8
    5/8
    3/4
    3/4
    5/8
    3/4
    3/4
    3/4
    5/8
    3/4
    5/8
    3/4
    3/4
    3/4
    3/4
    3/4
    3/4
    5/8″ C/S
    DSU62-3.75-623-3/455/8
    3/4″ C/S
    DSU75-12.50-10012-1/2141