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HERCULES MRUNB ROD BACK-UP RING

    MRUNB Rod Back-Up Ring

    The MRUNB Rod U-seal is designed to prevent extrusion damage. The addition of the u-seal back-up ring increases the pressure range of the seal from 2,000 psi to 3,000 psi.

    SEAL INFORMATION
    MATERIALNITRILE AND PTFE
    TEMPERATURE
    RANGE
    -13° F TO +212° F
    PRESSURE
    RANGE
    0 TO 3,000 PSI
    SPEED3 FT/SEC
    Part NumberA
    Nom. ID
    B
    Nom. OD
    C
    Nom. Ht
    MRUNB-20X28X7-LT
    MRUNB-25X33X7
    MRUNB-30X40X10
    MRUNB-40X50X10
    MRUNB-40X50X10-HT
    MRUNB-45X55X10
    MRUNB-45X55X10U
    MRUNB-45X56X10
    MRUNB-50X60X9.5
    MRUNB-50X63X13
    MRUNB-55X65X9.5-HT
    MRUNB-55X68X13
    MRUNB-60X73X13
    MRUNB-60X73X13U-HT
    MRUNB-65X78X13
    MRUNB-65X78X13U-HT
    MRUNB-70X83X13
    MRUNB-70X83X13-LT
    MRUNB-70X83X13U-HT
    MRUNB-75X88X13
    MRUNB-80X93X13
    MRUNB-85X100X13
    MRUNB-90X105X13
    MRUNB-90X105X13U-HT
    MRUNB-95X110X13.5
    MRUNB-100X115X13
    MRUNB-110X130X13
    MRUNB-110X130X15
    MRUNB-115X135X15U-HT
    MRUNB-115X135X16
    MRUNB-120X140X13
    MRUNB-120X140X15U-HT
    MRUNB-125X145X16-HT
    MRUNB-130X150X16
    MRUNB-130X150X16-HT
    MRUNB-140X160X16
    MRUNB-140X160X16-HT
    MRUNB-140X160X16U-HT
    MRUNB-150X170X16-HT
    MRUNB-160X180X16
    MRUNB-160X180X16U-HT
    MRUNB-170X195X19.5
    MRUNB-180X205X19.5
    MRUNB-190X215X20
    MRUNB-200X225X20
    20
    25
    30
    40
    40
    45
    45
    45
    50
    50
    55
    55
    60
    60
    65
    65
    70
    70
    70
    75
    80
    85
    90
    90
    95
    100
    110
    110
    115
    115
    120
    120
    125
    130
    130
    140
    140
    140
    150
    160
    160
    170
    180
    190
    200
    28
    33
    40
    50
    50
    55
    55
    56
    60
    63
    65
    68
    73
    73
    78
    78
    83
    83
    83
    88
    93
    100
    105
    105
    110
    115
    130
    130
    135
    135
    140
    140
    145
    150
    150
    160
    160
    160
    170
    180
    180
    195
    205
    215
    225
    7
    7
    10
    10
    10
    10
    10
    10
    9.5
    13
    9.5
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13.5
    13
    13
    15
    15
    16
    13
    15
    16
    16
    16
    16
    16
    16
    16
    16
    16
    19.5
    19.5
    20
    20