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  1. Unionlever (Group) Petroleum Equipment Co.,Ltd.

    Releasing and Reversing Overshot

     DLT-T type Releasing and Reversing Overshot is a new type of fishing tool it has many advantages owned by various overshot box tap and the like. Its distinguishing features are as follows: to unscrew and recover the stuck fish; to release the fish down hole if necessary; to circulate the washing fluid .

    Technical specifications and parameters 

    Type O.D.
    (mm)
    Catch size
    (mm)
    Allowable Pulling Force
    (KN)
    Start Pulling Force and Torque Thread Conn. (LH)

    Tensile Force (KN)

    Torque (N.m)
    DLT-T48 95 48.3 250 117.7 3089 2 7/8 REG
    DLT-T60 105 60.3 , 63.5 350 147.1 5737 NC31
    DLT-T73 114 73 , 75 , 78.6 420 176.5 7750 NC31
    DLT-T89 134 88.9 , 93.2 500 176.5 10233 NC38
    DLT-T102 145 98 , 101.6 700 196 11032 NC38
    DLT-T114 160 114.3 890 196 12151 NC38
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