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Pressure test methods for various valves [2022-06-16]The commonly used media for valve pressure test include water, oil, air, steam, nitrogen, etc. the pressure test methods for various industrial valves including pneumatic valves are as follows: -
Description of common valve selection [2022-06-15]The butterfly valve is applicable to the occasions with large diameter (such as DN ＞ 600mm) and short structural length requirements, as well as the occasions requiring flow regulation and quick opening and closing. It is generally used for temperature ≤ -
Key points of valve selection [2022-06-14]This paper mainly introduces the selection methods of various commonly used valves, such as gate valve, stop valve, throttle valve, plug valve, ball valve, diaphragm control valve, etc. -
Precautions for valve installation [2022-06-11]During valve installation, in order to prevent metal, sand and other foreign matters from invading the valve and damaging the sealing surface, it is necessary to set a filter and a flushing valve; In order to maintain compressed air purification, an oil-w
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Have you installed the sealing gasket correctly? [2022-05-28]Sealing gasket is a common spare part of equipment. Did you install the sealing gasket correctly? If the installation is not correct, the gasket will be damaged during the operation of the equipment, or even dangerous.
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Cause analysis and solution of valve leakage [2022-05-21]Operate correctly. Do not use excessive force to close the valve, and do not open the valve beyond the top dead center. After the valve is fully opened, the handwheel should be reversed a little; -
Advantages and disadvantages of various valves [2022-05-17] -
t 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 opening is in direct proportion to the stroke of the valve disc. Because the ope -
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butterfly valve is a kind of valve that uses the disc type hoist to rotate back and forth about 90 ° to open, close and adjust the fluid channel.
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