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102019-08Pneumatic valve is a kind of compressed air to drive the operation of the valve actuator, its opening and closing speed is relatively fast, often used for fast two cut off use, can also be used to regulate the flow of use...
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202019-07Check valve is to rely on medium oneself activity and open actively, close valve disc, used to avoid medium backflow valve, also known as backflow valve, one-way valve, countercurrent valve, and...
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222019-06It is well known that the flow rate and velocity of the valve mainly depends on the size of the valve, but also with the valve structure type of the resistance to the medium...
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152019-06With the rapid development of offshore oil and gas industry technology and people's demand for energy, the development of deepwater oil and gas fields will become the future offshore oil industryThe focus of industry development...
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162019-04First of all, the power supply should be checked: joint connection is reliable; Whether the switch contact is tight; Whether the fuse is blown; Whether the three-phase power supply ...
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192019-01First, external damage is caused by material defects. The manufacturing process of valves is very complicated. If the valve produces blowhole or slag inclusion during casting, these defects may expand and cause damage, resulting in fluid leakage.
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302018-12Recently, the China Machinery Industry Federation and China General Machinery Industry Association, entrusted by the State Energy Administration, hosted the "New Product Appraisal Meeting of Key Valves and Compressor Anti-surge Valves for ...
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152018-12Step 1: gate valve leakage, energy consumption accounting "know". The energy consumption accounting done by the device every day is the same as that of yesterday.
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242018-111. The stomataThis is a small cavity formed by the gas that cannot be escaped from the metal during solidification. Its inner wall is smooth and contains gas, and it has a high reflectivity to ultrasonic wave.
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292018-09Fire butterfly valve has the characteristics of light weight, fast and reliable switch, small operating torque, with valve opening scale and so on.
