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HERCULES HSU U-SEAL

    HSU U-Seal

    Style HSU u-seals are precision molded from 90 Durometer Buna-N rubber or 90A Fluorocarbon (suffix “V”) — 90 Duro Rubber for abrasion resistance and Fluorocarbon for heat resistance. These seals are commonly found in industrial cylinders as piston, rod and cushion seals.

    SEAL INFORMATION
    MATERIAL90A BUNA-N RUBBER
    90A FLUOROCARBON
    TEMPERATURE
    RANGE    		BUNA-N: -40°
    TO +250° F
    FC: -20° TO +400° F
    PRESSURE
    RANGE    		0 TO 2,000 PSI
    SPEED3 FT/SEC
    Part NumberA
    Nom.ID    		B
    Nom.OD    		C
    Nom.Ht
    1/8″ C/S
    HSU12-0.75-12-90D
    HSU12-0.75-12-90DV    		3/4
    3/4    		1
    1    		1/8
    1/8
    5/32″ C/S
    HSU15-1.18-15-90D
    HSU15-1.18-15-90DV
    HSU15-1.25-15-90D
    HSU15-1.25-15-90DV    		1-3/16
    1-3/16
    1-1/4
    1-1/4    		1-1/2
    1-1/2
    1-9/16
    1-9/16    		5/32
    5/32
    5/32
    5/32
    3/16″ C/S
    HSU18-1.62-18-90D
    HSU18-1.62-18-90DV
    HSU18-2.12-18-90D
    HSU18-2.12-18-90DV    		1-5/8
    1-5/8
    2-1/8
    2-1/8    		2
    2
    2-1/2
    2-1/2    		3/16
    3/16
    3/16
    3/16
    7/32″ C/S
    HSU21-2.81-21-90D
    HSU21-2.81-21-90DV    		2-13/16
    2-13/16    		3-1/4
    3-1/4    		7/32
    7/32
    1/4″ C/S
    HSU25-3.50-25-90D
    HSU25-3.50-25-90DV
    HSU25-4.50-25-90D
    HSU25-4.50-25-90DV    		3-1/2
    3-1/2
    4-1/2
    4-1/2    		4
    4
    5
    5    		1/4
    1/4
    1/4
    1/4
    9/32″ C/S
    HSU28-4.43-28-90D
    HSU28-4.43-28-90DV
    HSU28-5.43-28-90D
    HSU28-5.43-28-90DV
    HSU28-6.43-28-90D
    HSU28-6.43-28-90DV    		4-7/16
    4-7/16
    5-7/16
    5-7/16
    6-7/16
    6-7/16    		5
    5
    6
    6
    7
    7    		9/32
    9/32
    9/32
    9/32
    9/32
    9/32
    5/16″ C/S
    HSU31-5.37-31-90D
    HSU31-5.37-31-90DV
    HSU31-6.37-31-90D
    HSU31-6.37-31-90DV
    HSU31-7.37-31-90D
    HSU31-7.37-31-90DV    		5-3/8
    5-3/8
    6-3/8
    6-3/8
    7-3/8
    7-3/8    		6
    6
    7
    7
    8
    8    		5/16
    5/16
    5/16
    5/16
    5/16
    5/16
    11/32″ C/S
    HSU34-9.31-34-90D
    HSU34-9.31-34-90DV    		9-5/16
    9-5/16    		10
    10    		11/32
    11/32
    3/8″ C/S
    HSU37-11.25-37-90D
    HSU37-11.25-37-90DV    		11-1/4
    11-1/4    		12
    12    		3/8
    3/8
    13/32″ C/S
    HSU40-13.18-40-90D
    HSU40-13.18-40-90DV    		13-3/16
    13-3/16    		14
    14    		13/32
    13/32
    1/2″ C/S
    HSU50-11.00-50-90D
    HSU50-11.00-50-90DV
    HSU50-13.00-50-90D    		11
    11
    13    		12
    12
    14    		1/2
    1/2
    1/2