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  • The application of check valve

    The purpose of using check valves is to prevent the flow of the medium, generally in the export of the pump to install check valves. In addition, check valves should be installed at the outlet of the compressor. In general, check valves should be installed in equipment, units or lines to pr...
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  • Working principle and classification of check valve

      Working principle and classification of check valve Check valve: check valve is also known as check valve or check valve, its role is to prevent the pipeline medium flow back. Water pump suction off the bottom valve also belongs to the check valve. The opening and closing parts are opened ...
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  • Utility and structural characteristics of wafer check valve

      First, the use of the wafer check valve Check valve installed in the pipeline system, its main role is to prevent media flow back, check valve is a kind of media pressure open and close automatically. Wafer check valve is suitable for nominal pressure PN1.0MPa~42.0MPa, Class150~25000, nom...
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  • Check valve installation and use

      Straight-through lifting check valves should be installed in horizontal pipelines, vertical lifting check valves and bottom valves are generally installed in vertical pipelines, and media flow from bottom to top. Swing check valves are usually installed in horizontal lines, but can also b...
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  • What is a check valve ?

    The main function of check valve is to prevent medium diversion, prevent the reverse of the pump and its driving device, as well as the leakage of the medium in the container, it is also called check valve, check valve. The opening and closing parts are opened or closed by the flow and forc...
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  • Selection principle of globe valve

      Selection principle of globe valve The shut-off valve refers to the valve whose closing part (disc) moves along the center line of the valve seat. According to this movement form of the valve disc, the change of the valve seat port is proportional to the valve disc stroke. Since the opening...
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  • What is a globe valve?

      What is a globe valve? The opening and closing parts of the globe valve are plug shaped disc, the sealing surface is flat or conical, and the disc moves in a straight line along the center line of the fluid. Stem movement form, there are lifting rod type (stem lifting, handwheel not liftin...
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  • The advantages and disadvantages of the globe valve and installation precautions

      The advantages and disadvantages of the globe valve and installation precautions The globe valve has the following advantages: The shut-off valve has a simple structure and is more convenient to manufacture and maintain. The stop valve has a small working stroke and short opening and closing...
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  • A BATCH OF DUAL PLATE CHECK VALVES READY FOR SHIPMENT

    A BATCH OF  DUAL PLATE CHECK VALVES  READY FOR SHIPMENT.  It will take China-Europe train  to Europe. dual plate check valve,lug type,12″-150lbs   wafer type, dual plate check valve    The Dual Plate Check Valve is an all purpose non return valve that is much stronger, lighter ...
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  • The working principle of the globe valve

      The cut-off valve is also called the cut-off valve. It is the most widely used valve. The reason why it is popular is that the friction between the sealing surfaces during the opening and closing process is small, it is relatively durable, the opening height is not large, the manufacturing ...
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  • The working principle of the three-piece ball valve

      The working principle of the three-piece ball valve is as follows:   One, the opening process   In the closed position, the ball is pressed against the valve seat by the mechanical pressure of the valve stem. When the handwheel is turned counterclockwise, the valve stem moves ...
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  • Floating ball valve standards and structural features (2)

    6. The middle flange (the connection between the valve body and the left body) has no leakage structure. The connection between the valve body and the left body is sealed by gaskets. In order to prevent leakage due to fire, high temperature or vibration, it is specially designed to The valve bo...
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