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  • YESN-China shipping Labels manufacturer-compatible label factory (China): XIAMEN YESN-China shipping Labels manufacturer-compatible... http://www.yesnlabels.com

    • Full Open Safty Valve Fosv - China

    price: contact company for price

    Full Open Safty Valve Fosv

    Products Photos Catalog Open Safty Valve Fosv Photos Catalog

    Full open safty valve

    Full- opening valve is a manually operated valve in the drill string circulating system, specially used in the emer-

    gent situation of blowout.

    While blowout, the kelly is in the well, may close the upper kelly valve first, then lift up the

    kelly and close the spray- preventing device, so may avoid breaking the water pipe.

    During the normal operation, close the full- opening valve before remove the kelly, may avoid the drill fluid to

    spatter on the drill table.

    Technical Parameter

    Type

    Thread connection

    O.

    D.

    ( mm)

    I.

    D.

    ( mm)

    QK 190

    NC50

    190

    82.6

    QK 168

    168

    71

    QK 140

    NC38

    140

    61.9

    QK 127

    127

    51


    Company Contact:


    • Phone: 00865467080020

    • Address: huanghe road, dongying , China

    • Email: Email


    Published date: November 5, 2014

    • Business Description: Lake Petro company is a professional supplier of various oilfield equipment, including oil drilling and service equipment, oil production equipment, OCTG, wellhead&downhole tools and spare parts with API certification.

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