Trapezoidal Thread Connection Oil Mine Fuel Gate Valve For Gas Line PR1 PR2
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... form is trapezoidal thread connection, which is fast and convenient to install, strong in rigidity, safe and reliable, and the valve seat and gate adopt parallel elasticity. Technical Parameters Certificate API 6A Working Medium Oil, Natural gas, Mud, etc...
SHIFANG HUIFENG OIL PRODUCTION MACHINERY CO.,LTD.
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