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HERCULES HRU U-SEAL

    HRU U-Seal

    Style HRU u-seals are precision molded from 80 Durometer Buna-N rubber. Sizes include those found in Army-Navy spec. AN6226 and narrow cross-section sizes found in J.I.C. cylinders and the popularly termed “Huva Cup”.

    SEAL INFORMATION
    MATERIAL80A BUNA-N RUBBER
    90A FLUOROCARBON
    TEMPERATURE
    RANGE
    BUNA-N: -40°
    TO +250° F
    FC: -20° TO +400° F
    PRESSURE
    RANGE
    BUNA-N: 0
    TO 1,250 PSI
    FC: 0 TO 2,000 PSI
    SPEED3 FT/SEC
    Part NumberA
    Nom.ID
    B
    Nom.OD
    C
    Nom.Ht
    3/32″ C/S
    HRU09-0.12-09
    HRU09-0.18-09
    HRU09-0.25-09
    HRU09-0.31-09
    HRU09-0.43-09
    HRU09-0.50-09
    HRU09-0.56-09
    HRU09-0.62-09
    HRU09-0.68-09
    HRU09-0.75-09
    1/8
    3/16
    1/4
    5/16
    7/16
    1/2
    9/16
    5/8
    11/16
    3/4
    5/16
    3/8
    7/16
    1/2
    5/8
    11/16
    3/4
    13/16
    7/8
    15/16
    3/32
    3/32
    3/32
    3/32
    3/32
    3/32
    3/32
    3/32
    3/32
    3/32
    1/8″ C/S
    HRU12-0.18-12
    HRU12-0.25-12
    HRU12-0.37-12
    HRU12-0.43-12
    HRU12-0.50-12
    HRU12-0.50-12V
    HRU12-0.56-12
    HRU12-0.62-12
    HRU12-0.62-12V
    HRU12-0.68-12
    HRU12-0.75-12
    HRU12-0.75-12V
    HRU12-0.81-12
    HRU12-0.87-12
    HRU12-0.87-12V
    HRU12-1.00-12
    HRU12-1.00-12V
    HRU12-1.12-12
    HRU12-1.25-12
    HRU12-1.37-12
    HRU12-1.50-12
    HRU12-1.75-12
    HRU12-2.00-12
    3/16
    1/4
    3/8
    7/16
    1/2
    1/2
    9/16
    5/8
    5/8
    11/16
    3/4
    3/4
    13/16
    7/8
    7/8
    1
    1
    1-1/8
    1-1/4
    1-3/8
    1-1/2
    1-3/4
    2
    7/16
    1/2
    5/8
    11/16
    3/4
    3/4
    13/16
    7/8
    7/8
    15/16
    1
    1
    1-1/16
    1-1/8
    1-1/8
    1-1/4
    1-1/4
    1-3/8
    1-1/2
    1-5/8
    1-3/4
    2
    2-1/4
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    1/8
    5/32″ C/S
    HRU15-0.50-15
    HRU15-0.68-15
    HRU15-0.75-15
    HRU15-0.93-15
    HRU15-1.00-15
    HRU15-1.00-15V
    HRU15-1.06-15
    HRU15-1.18-15
    HRU15-1.18-15V
    HRU15-1.25-15
    HRU15-1.31-15
    HRU15-1.37-15
    HRU15-1.37-15V
    HRU15-1.43-15
    HRU15-1.50-15
    1/2
    11/16
    3/4
    15/16
    1
    1
    1-1/16
    1-3/16
    1-3/16
    1-1/4
    1-5/16
    1-3/8
    1-3/8
    1-7/16
    1-1/2
    13/16
    1
    1-1/16
    1-1/4
    1-5/16
    1-5/16
    1-3/8
    1-1/2
    1-1/2
    1-9/16
    1-5/8
    1-11/16
    1-11/16
    1-3/4
    1-13/16
    5/32
    5/32
    5/32
    5/32
    5/32
    5/32
    5/32
    5/32
    5/32
    5/32
    5/32
    5/32
    5/32
    5/32
    5/32
    3/16″ C/S
    HRU18-0.62-18
    HRU18-0.75-18
    HRU18-1.00-18
    HRU18-1.25-18
    HRU18-1.37-18
    HRU18-1.37-18V
    HRU18-1.50-18
    HRU18-1.62-18
    HRU18-1.62-18V
    HRU18-1.75-18
    HRU18-1.75-18V
    HRU18-1.87-18
    HRU18-2.00-18
    HRU18-2.00-18V
    HRU18-2.12-18
    HRU18-2.12-18V
    HRU18-2.25-18
    HRU18-2.37-18
    HRU18-2.50-18
    HRU18-2.62-18
    HRU18-2.87-18
    HRU18-3.00-18
    HRU18-3.25-18
    HRU18-3.37-18
    5/8
    3/4
    1
    1-1/4
    1-3/8
    1-3/8
    1-1/2
    1-5/8
    1-5/8
    1-3/4
    1-3/4
    1-7/8
    2
    2
    2-1/8
    2-1/8
    2-1/4
    2-3/8
    2-1/2
    2-5/8
    2-7/8
    3
    3-1/4
    3-3/8
    1
    1-1/8
    1-3/8
    1-5/8
    1-3/4
    1-3/4
    1-7/8
    2
    2
    2-1/8
    2-1/8
    2-1/4
    2-3/8
    2-3/8
    2-1/2
    2-1/2
    2-5/8
    2-3/4
    2-7/8
    3
    3-1/4
    3-3/8
    3-5/8
    3-3/4
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    3/16
    7/32″ C/S
    HRU21-2.50-21
    HRU21-2.50-21V
    HRU21-2.56-21
    HRU21-2.75-21
    HRU21-2.81-21
    HRU21-2.81-21V
    HRU21-3.00-21
    HRU21-3.00-21V
    HRU21-3.06-21
    HRU21-3.31-21
    2-1/2
    2-1/2
    2-9/16
    2-3/4
    2-13/16
    2-13/16
    3
    3
    3-1/16
    3-5/16
    2-15/16
    2-15/16
    3
    3-3/16
    3-1/4
    3-1/4
    3-7/16
    3-7/16
    3-1/2
    3-3/4
    7/32
    7/32
    7/32
    7/32
    7/32
    7/32
    7/32
    7/32
    7/32
    7/32
    1/4″ C/S
    HRU25-1.37-25
    HRU25-1.75-25
    HRU25-2.00-25
    HRU25-2.50-25
    HRU25-2.75-25
    HRU25-2.75-25V
    HRU25-3.50-25
    HRU25-3.50-25V
    HRU25-3.75-25
    HRU25-4.00-25
    HRU25-4.00-25V
    HRU25-4.50-25
    HRU25-4.50-25V
    HRU25-4.75-25
    HRU25-5.50-25
    HRU25-5.50-25V
    HRU25-5.50-37
    1-3/8
    1-3/4
    2
    2-1/2
    2-3/4
    2-3/4
    3-1/2
    3-1/2
    3-3/4
    4
    4
    4-1/2
    4-1/2
    4-3/4
    5-1/2
    5-1/2
    5-1/2
    1-7/8
    2-1/4
    2-1/2
    3
    3-1/4
    3-1/4
    4
    4
    4-1/4
    4-1/2
    4-1/2
    5
    5
    5-1/4
    6
    6
    6
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4
    1/4
    3/8
    9/32″ C/S
    HRU28-4.43-28
    HRU28-4.43-28V
    HRU28-4.56-28
    HRU28-5.00-28
    HRU28-5.00-28V
    HRU28-5.43-28
    HRU28-5.43-28V
    HRU28-6.43-28
    4-7/16
    4-7/16
    4-9/16
    5
    5
    5-7/16
    5-7/16
    6-7/16
    5
    5
    5-1/8
    5-9/16
    5-9/16
    6
    6
    7
    9/32
    9/32
    9/32
    9/32
    9/32
    9/32
    9/32
    9/32
    5/16″ C/S
    HRU31-2.87-31
    HRU31-4.37-31
    HRU31-5.37-31
    HRU31-5.37-31V
    HRU31-5.50-31
    HRU31-5.50-31V
    HRU31-6.37-31
    HRU31-6.37-31V
    HRU31-7.37-31
    HRU31-7.37-31V
    2-7/8
    4-3/8
    5-3/8
    5-3/8
    5-1/2
    5-1/2
    6-3/8
    6-3/8
    7-3/8
    7-3/8
    3-1/2
    5
    6
    6
    6-1/8
    6-1/8
    7
    7
    8
    8
    5/16
    5/16
    5/16
    5/16
    5/16
    5/16
    5/16
    5/16
    5/16
    5/16
    11/32″ C/S
    HRU34-9.31-34
    HRU34-9.31-34V
    9-5/16
    9-5/16
    10
    10
    11/32
    11/32
    3/8″ C/S
    HRU37-2.50-37
    HRU37-2.75-37
    HRU37-9.25-37
    HRU37-11.25-37
    2-1/2
    2-3/4
    9-1/4
    11-1/4
    3-1/4
    3-1/2
    10
    12
    3/8
    3/8
    3/8
    3/8
    13/32″ C/S
    HRU40-13.18-4013-3/161413/32
    1/2″ C/S
    HRU50-9.00-50
    HRU50-11.00-50
    9
    11
    10
    12
    1/2
    1/2