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Oil Drilling Tools Upper / Lower Kelly Valve 5000psi Work Pressure Forging Processing Type

KSQ Technologies (Beijing) Co. Ltd
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    Buy cheap Oil Drilling Tools Upper / Lower Kelly Valve 5000psi Work Pressure Forging Processing Type from wholesalers
     
    Buy cheap Oil Drilling Tools Upper / Lower Kelly Valve 5000psi Work Pressure Forging Processing Type from wholesalers
    • Buy cheap Oil Drilling Tools Upper / Lower Kelly Valve 5000psi Work Pressure Forging Processing Type from wholesalers
    • Buy cheap Oil Drilling Tools Upper / Lower Kelly Valve 5000psi Work Pressure Forging Processing Type from wholesalers

    Oil Drilling Tools Upper / Lower Kelly Valve 5000psi Work Pressure Forging Processing Type

    Ask Lasest Price
    Brand Name : MIROC
    Certification : API
    Price : 1000
    Payment Terms : L/C, T/T, Western Union
    Supply Ability : 10000 units per months
    Delivery Time : 10-20 days
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    Oil Drilling Tools Upper / Lower Kelly Valve 5000psi Work Pressure Forging Processing Type

    High quality API kelly valve for oil drilling tools/Api manually operated upper and lower Kelly Cock Valve

    Product Application

    Kelly valve is a manually operated ball type drill stem valve; it is divided into upper Kelly valve and lower Kelly valve. The upper Kelly valve is connected between lower end of swivel and upper end of Kelly; the lower Kelly valve is connected between upper end of drill pipe and lower end of Kelly or connected between lower end of Kelly saver subs. The Kelly valve can be opened on or closed off by only turning the special operating wrench at 90° according to indicating direction. During drilling operation, the Kelly valve shall be connected at upper end and lower end of Kelly.

    The sealing principle for Kelly valve is that the ball is positioned and provided with proceeding stress by the lower seat supported by spring load and a close seal between ball and ball seat is provided. During normal drilling operation, the hole is kept unblocked by turning the stem to be "on" position; In case of kick or blowout, turn the operating stem to be "off" position to close off the internal bore of drill string, the kick or blowout accident is avoided due to a high pressure sealing situation between ball and ball seat.

    When ordering please specify:

    Upper or Lower type;

    Tool OD;

    Working Pressure: 5,000 / 10,000 / 15,000 PSI;

    Tool connection.

    Specifications - Upper Kelly Valve

    O.D. (mm)
    Thread connection (LH)
    I.D. (mm)
    Max.sealing pressure(Mpa)
    146
    4 1/2 REG
    50
    68.6
    200
    6 5/8 REG
    76.2
    68.6

    Specifications - Lower Kelly Valve

    Model
    O.D. (mm)
    Thread connection
    I.D. (mm)
    Max.sealing pressure(Mpa)
    105
    NC31
    41.3
    68.6

    121
    NC38
    50
    68.6
    127
    NC38
    50
    68.6
    165
    NC46
    61
    68.6
    178
    NC50 , 5 1/2FH
    71.4
    68.6

    Quality Oil Drilling Tools Upper / Lower Kelly Valve 5000psi Work Pressure Forging Processing Type for sale
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