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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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032019-06Steam trap plays the role of steam resistance and drainage in the steam heating system. The steam heating equipment can reach the highest working efficiency by selecting the right steam trap...
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112019-05Song Lin, a staff member of the power science research institute of the state grid corporation of qinghai province, adjusts equipment in the high-voltage experimental hall on May 9.
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192019-01First, the power supply voltage is low and the required torque is not obtained, which makes the motor stop turning.
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122019-01Advantages and disadvantages of ductile iron pipe fittings and installation specifications: 1. Advantages and disadvantages of ductile iron pipe fittings...
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152018-12Valve in use process often can appear a few problems that make a person perplexed, for example valve close lax, close not tight, how should do that?
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242018-11There are many types of valves, each has its own advantages and disadvantages, the following small series of five valve advantages and disadvantages, including gate valve, butterfly valve, ball valve, globe valve and plug valve, I hope to help you.
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202018-10China National Petroleum Corporation Limited (CNPC) has launched fruitful oil and gas cooperation in the Gulf region and will produce 95 million tons of crude oil this year, according to a news release on its website.
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