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HERCULES RTU ROD U-SEAL

    RTU Rod U-seal

    The twin lip design helps solve difficult rod sealing problems by providing lower friction, increased stability, and high dynamic lip force, while preventing air penetration from outside the cylinder.

    SEAL INFORMATION
    MATERIAL94A URETHANE
    TEMPERATURE
    RANGE
    -40° TO +225°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
    RTU12-0.37-19
    RTU12-0.50-18
    RTU12-0.62-18
    RTU12-0.62-25
    RTU12-0.75-12
    RTU12-0.75-18
    RTU12-0.75-25
    RTU12-0.87-18
    RTU12-0.87-25
    RTU12-1.00-18
    RTU12-1.00-25
    RTU12-1.00-25-BT4300
    RTU12-1.06-25
    RTU12-1.12-18
    RTU12-1.12-25
    3/8
    1/2
    5/8
    5/8
    3/4
    3/4
    3/4
    7/8
    7/8
    1
    1
    1
    1.062
    1-1/8
    1-1/8
    5/8
    3/4
    7/8
    7/8
    1
    1
    1
    1-1/8
    1-1/8
    1-1/4
    1-1/4
    1-1/4
    1.312
    1.368
    1-3/8
    .198
    3/16
    .187
    .241
    1/8
    .187
    1/4
    .187
    1/4
    3/16
    1/4
    1/4
    1/4
    .187
    1/4
    RTU12-1.25-19
    RTU12-1.25-25
    RTU12-1.37-18
    RTU12-1.37-19
    RTU12-1.37-25
    RTU12-1.50-25
    RTU12-1.75-25
    RTU12-2.00-25
    1-1/4
    1-1/4
    1-3/8
    1-3/8
    1-3/8
    1-1/2
    1-3/4
    2
    1.491
    1-1/2
    1-5/8
    1.615
    1-5/8
    1-3/4
    2
    2-1/4
    .197
    1/4
    .187
    .197
    1/4
    1/4
    1/4
    1/4
    3/16″ C/S
    RTU18-0.37-31
    RTU18-1.00-25
    RTU18-1.00-31
    RTU18-1.12-31
    RTU18-1.18-25
    RTU18-1.25-23
    RTU18-1.25-25
    RTU18-1.25-31
    RTU18-1.25-37HT
    RTU18-1.37-31
    RTU12-1.50-18
    RTU18-1.50-25
    RTU18-1.50-31
    RTU18-1.50-37
    RTU18-1.62-31
    RTU18-1.62-37
    RTU18-1.75-25
    RTU18-1.75-31
    RTU18-1.75-37
    RTU18-1.87-31
    RTU18-1.87-37
    RTU18-2.00-25
    RTU18-2.00-31
    RTU18-2.00-37
    3/8
    1
    1
    1-1/8
    1.187
    1-1/4
    1-1/4
    1-1/4
    1-1/4
    1-3/8
    1-1/2
    1-1/2
    1-1/2
    1-1/2
    1-5/8
    1-5/8
    1-3/4
    1-3/4
    1-3/4
    1-7/8
    1-7/8
    2
    2
    2
    3/4
    1-3/8
    1-3/8
    1-1/2
    1.562
    1-5/8
    1-5/8
    1-5/8
    1-5/8
    1-3/4
    1-3/4
    1-7/8
    1-7/8
    1-7/8
    2
    2
    2-1/8
    2-1/8
    2-1/8
    2-1/4
    2-1/4
    2-3/8
    2-3/8
    2-3/8
    5/16
    1/4
    5/16
    5/16
    1/4
    .227
    1/4
    5/16
    3/8
    5/16
    3/16
    1/4
    5/16
    3/8
    5/16
    3/8
    1/4
    5/16
    3/8
    5/16
    3/8
    1/4
    5/16
    3/8
    RTU18-2.50-31
    RTU18-2.62-37
    RTU18-2.75-37
    RTU18-3.00-37
    RTU18-3.12-62
    RTU18-3.25-56
    RTU18-3.50-37
    RTU18-4.00-37
    RTU18-4.50-37
    RTU18-4.75-37
    RTU18-5.00-37
    2-1/2
    2-5/8
    2-3/4
    3
    3-1/8
    3-1/4
    3-1/2
    4
    4-1/2
    4-3/4
    5
    2-7/8
    3
    3-1/8
    3-3/8
    3-1/2
    3-5/8
    3-7/8
    4-3/8
    4-7/8
    5-1/8
    5-3/8
    5/16
    3/8
    3/8
    3/8
    5/8
    9/16
    3/8
    3/8
    3/8
    3/8
    3/8
    .188″ C/S
    RTU18-0.62-28
    RTU18-0.75-31
    RTU18-2.12-37
    RTU18-2.37-37
    RTU18-2.50-37
    RTU18-3.75-37
    RTU18-5.50-37
    5/8
    3/4
    2-1/8
    2-3/8
    2-1/2
    3-3/4
    5-1/2
    1
    1-1/8
    2-1/2
    2-3/4
    2-7/8
    4-1/8
    5-7/8
    .281
    .312
    3/8
    3/8
    3/8
    3/8
    3/8
    1/4″ C/S
    RTU25-1.00-25
    RTU25-1.00-37
    RTU25-1.12-25
    RTU25-1.25-25
    RTU25-1.25-37
    RTU25-1.37-37
    RTU25-1.37-37HT
    RTU25-1.50-25
    RTU25-1.50-34
    RTU25-1.50-37
    RTU25-1.62-37
    RTU25-1.75-25
    RTU25-1.75-34
    1
    1
    1-1/8
    1-1/4
    1-1/4
    1-3/8
    1-3/8
    1-1/2
    1-1/2
    1-1/2
    1-5/8
    1-3/4
    1-3/4
    1-1/2
    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
    .255
    3/8
    1/4
    1/4
    3/8
    3/8
    3/8
    1/4
    .341
    3/8
    3/8
    1/4
    .341
    RTU25-1.75-37
    RTU25-1.87-37
    RTU25-2.00-25
    RTU25-2.00-31
    RTU25-2.00-34
    RTU25-2.00-37
    RTU25-2.00-37HT
    RTU25-2.25-37
    RTU25-2.37-37
    RTU25-2.50-25
    RTU25-2.50-28
    RTU25-2.50-37
    RTU25-2.75-31
    RTU25-2.75-37
    RTU25-3.00-37
    RTU25-3.00-75
    RTU25-3.25-37
    RTU25-3.37-37
    RTU25-3.50-31
    RTU25-3.50-37
    RTU25-3.62-37
    RTU25-3.75-37
    RTU25-3.75-50
    RTU25-4.00-31
    RTU25-4.00-37
    RTU25-4.00-56
    RTU25-4.00-75
    RTU25-4.25-56P
    RTU25-4.50-37
    RTU25-4.75-62
    RTU25-5.00-37
    RTU25-5.00-75
    RTU25-5.50-37
    1-3/4
    1-7/8
    2
    2
    2
    2
    2
    2-1/4
    2-3/8
    2-1/2
    2-1/2
    2-1/2
    2-3/4
    2-3/4
    3
    3
    3-1/4
    3-3/8
    3-1/2
    3-1/2
    3-5/8
    3-3/4
    3-3/4
    4
    4
    4
    4
    4-1/4
    4-1/2
    4-3/4
    5
    5
    5-1/2
    2-1/4
    2-3/8
    2-1/2
    2-1/2
    2-1/2
    2-1/2
    2-1/2
    2-3/4
    2-7/8
    3
    3
    3
    3-1/4
    3-1/4
    3-1/2
    3-1/2
    3-3/4
    3-7/8
    4
    4
    4-1/8
    4-1/4
    4-1/4
    4-1/2
    4-1/2
    4-1/2
    4-1/2
    4-3/4
    5
    5-1/4
    5-1/2
    5-1/2
    6
    3/8
    3/8
    1/4
    5/16
    .341
    3/8
    3/8
    3/8
    3/8
    1/4
    .284
    3/8
    .312
    3/8
    3/8
    .781
    3/8
    3/8
    .312
    3/8
    3/8
    3/8
    1/2
    .312
    3/8
    9/16
    .781
    9/16
    3/8
    5/8
    3/8
    .781
    3/8
    RTU25-6.00-75
    RTU25-6.37-37
    RTU25-7.00-75
    RTU25-7.25-37
    RTU25-8.12-75
    RTU25-9.37-75
    6
    6-3/8
    7
    7-1/4
    8-1/8
    9-3/8
    6-1/2
    6-7/8
    7-1/2
    7-3/4
    8-5/8
    9-7/8
    .781
    3/8
    .78
    3/8
    .781
    .781
    5/16″ C/S
    RTU31-1.50-37
    RTU31-2.50-50
    RTU31-2.75-37
    RTU31-2.75-50
    RTU31-3.00-50
    RTU31-3.25-50
    RTU31-3.37-59
    RTU31-4.00-37
    RTU31-4.00-50HT
    RTU31-4.50-50
    1-1/2
    2-1/2
    2-3/4
    2-3/4
    3
    3-1/4
    3-3/8
    4
    4
    4-1/2
    2-1/8
    3-1/8
    3-3/8
    3-3/8
    3-5/8
    3-7/8
    4
    4-5/8
    4-5/8
    5-1/8
    3/8
    1/2
    3/8
    1/2
    1/2
    1/2
    19/32
    3/8
    1/2
    1/2
    .313″ C/S
    RTU31-1.25-39
    RTU31-1.37-39
    RTU31-2.00-31
    RTU31-2.00-39
    RTU31-2.00-50
    RTU31-3.50-50
    RTU31-4.00-50
    RTU31-4.62-62
    1-1/4
    1-3/8
    2
    2
    2
    3-1/2
    4
    4-5/8
    1-7/8
    2
    2-5/8
    2-5/8
    2-5/8
    4-1/8
    4-5/8
    5-1/4
    .397
    .397
    .312
    .397
    1/2
    1/2
    1/2
    5/8
    11/32″ C/S
    RTU34-10.50-3710-1/211-3/163/8
    3/8″ C/S
    RTU37-3.00-62
    RTU37-3.50-62
    RTU37-4.00-50
    RTU37-4.00-62
    RTU37-4.25-62
    3
    3-1/2
    4
    4
    4-1/4
    3-3/4
    4-1/4
    4-3/4
    4-3/4
    5
    5/8
    5/8
    1/2
    5/8
    5/8
    RTU37-4.50-62
    RTU37-5.50-62
    RTU37-6.00-62
    RTU37-6.50-62
    RTU37-7.00-62
    RTU37-7.75-62
    4-1/2
    5-1/2
    6
    6-1/2
    7
    7-3/4
    5-1/4
    6-1/4
    6-3/4
    7-1/4
    7-3/4
    8-1/2
    5/8
    5/8
    5/8
    5/8
    5/8
    5/8