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National Standard Flanged Gate Valve

The opening and closing component of a manual gate valve is the gate, and the direction of the gate's movement is perpendicular to the direction of the fluid. The gate valve can only be fully open and fully closed, and cannot be used to adjust or throttle. The gate has two sealing surfaces, and the gate of the wedge gate valve can be made into a whole, called a solid gate; It can also be made into a gate that can produce slight deformation to improve its processability and compensate for the deviation of the sealing surface angle during the processing. This type of gate is called flexible gate.


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29国标法兰闸阀
29国标法兰闸阀-尺寸

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Nominal pressure PN 1.6, 2.5, 4.0, 6.4 MPa
Strength test pressure PT 2.4, 3.8, 6.0, 9.6 MPa   Low pressure gas sealing test: 0.6MPa
Applicable medium Z41W-(16-64)C  Water, oil, gas    Z41W-(16-64)P  Nitric acid     Z41W-(16-64)R  Acetic acid
Applicable temperature -20~180℃
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