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Introduction to the closing principle of American standard globe valve

Date: [2019-08-31] Click rate:

The American standard globe valve is a relatively new type of gate valve, which has some advantages of its own structure, such as no friction on the switch, difficult to wear the seal, and small opening and closing torque.


The American standard stop valve plays an important role in cutting off and throttling the medium in the pipeline where it is located. As a very important shut-off valve, the seal is made by applying torque to the valve stem. Apply pressure to the valve disc in the direction to make the valve disc sealing surface and the valve seat sealing surface closely fit to prevent the medium from leaking along the gap between the sealing surfaces.


美标截止阀

Globe valve plays an important role in the field of aerospace. As an important component of aerospace equipment, it realizes functions such as media transportation, cut-off, adjustment, etc. Its sealing performance directly affects the reliable operation of aerospace equipment.


The closing principle of the American standard stop valve: relying on the pressure of the valve rod, the valve disc sealing surface and the valve seat sealing surface are closely fitted to prevent the medium from flowing. The sealing pair of the stop valve is composed of a valve disc sealing surface and a valve seat sealing surface. The valve stem drives the valve disc to move vertically along the center line of the valve seat. The manual shut-off valve has a small opening and closing height, is easy to adjust the flow rate, is convenient to manufacture and maintain, and has a wide range of pressure applications. Globe valve can be divided into straight globe valve, angle globe valve, Y-type globe valve, thermal insulation globe valve, fluorine lined globe valve, self-sealing globe valve, high-pressure globe valve and so on.