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032023-03Hard seal butterfly valve refers to the "hard seal" with metal materials or other hard materials on both sides of the sealing pair.
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242023-02Knife gate valve can only be used to cut off rather than to throttle, and gate valve can throttle or switch.
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162022-12Installation environment and maintenance precautions of butterfly valve
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092022-12304 austenitic stainless steel (new standard 06Cr19Ni10 steel, old standard 0Cr18Ni9 steel) is widely used in petrochemical,
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182022-11The installation of safety and relief valves in pressure vessels and the use of stop valves upstream and downstream are considered to be the last line of defense for equipment with internal pressure greater than atmospheric pressure.
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122022-11Electric gate valve is a widely used valve, which is mainly used in analog quantity regulation of medium flow in liquid, gas and air systems.
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212022-10In winter, the temperature drops rapidly, and the valve often freezes. At this time, if it is not handled, the pipeline will be prone to failure.
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142022-10When using the relevant mechanical equipment, if some wrong methods are used, the equipment will be seriously injured.
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172022-09Valve welding inspection is generally divided into two parts:
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092022-09Carefully read the valve manual to understand the basic structure and principle
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