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  • Hydraulic bending mandrel

    Gas Protected Internal Clamp

    Mainly used in the construction of composite pipe consisted of carbon steel and stainless steel

    Quickly aligns two pipe orifices to meet the requirements of pipeline welding

    It operates and controls with compressed air as a power source.

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    • Specification
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    The inert gas protection internal clamp also called inert gas protection pneumatic internal line-up Clamp. It is mainly used in the construction of composite pipe consisted of carbon steel and stainless steel. It generates radial force from the inside of the steel pipe to quickly aligns two pipe orifices to meet the requirements of pipeline welding. It operates and controls with compressed air as a power source.

    The inert gas protection Clamp has clamping function and provides inert gas protection. During construction, after pipe pairing, the clamp conducts gas replacement and applies inert gas to protect the stainless steel lining from oxidation during welding.


    Technical Parameters of Gas Protected Internal Clamp:

    ModelHGND08AHGND18AHGND24A
    Pipe size (mm)219457610
    Dimension (mm)ø165x1120ø402x2270ø550x2770
    Piston (kN)174479634
    Airbag inflation pressure (Mpa)0.2~0.60.2~0.60.2~0.6
    Weight (kg)35277480


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    • Tel:+86-17633163387 (Whatsapp)
    • Add:No.18 Yaohua Road, Development District Langfang City.

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