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  • What kind of valve is a gate valve? Is it different from a globe valve?

    Gate valve refers to a valve whose closing member (gate plate) moves in the vertical direction along the center line of the passage. Gate valves are mainly used for cutting off in pipelines.

  • Test Pressure Method for Various Valves

    The strength test of the pneumatic ball valve should be carried out with the ball half open

  • What is a check valve? What is the principle of check valve?

    The check valve is a special valve whose main function is to prevent fluid from flowing back and has good air-tight performance. Introduce the function and working principle of check valve.

  • Where are pneumatic butterfly valves used?

    In industrial control, the pneumatic actuator principle structure drives the air source from port A, the gear shaft rotates counterclockwise, and the valve Open the pneumatic actuator principle structure in the industrial control to drive the air source from port B, the gear shaft rotates clockwise, and the valve closes.

  • How to Extend the Service Life of Valve Packing

    In the valve design or use experience, the packing of the lift valve is mostly asbestos packing or graphite packing or PTFE V-type packing, but these kinds of packing will wear out and the gap will gradually increase as the number of valve opening and closing increases.

  • The selection criteria for check valves

    The installation position of the swing check valve is not restricted. It can be installed on horizontal, vertical or inclined pipelines. If installed on a vertical pipeline, the medium flow direction must be from bottom to top

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