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November 25th 2022
Cryogenic treatment is to use refrigerant as cooling medium to carry out programmed cryogenic treatment (-196℃) and lo……
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November 21st 2022
Two important indicators of the valve are the nominal diameter and the nominal pressure. The nominal diameter: “DN+ nu……
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November 16th 2022
During November 12th-14th, we attended the 2022 CHINA(WENZHOU) INT’L PUMP & VALVE FAIR, where we communicate……
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November 15th 2022
There are certain reasons for bolt rust. The following are some of the reasons for valve bolt rust. The corrosion prod……
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November 15th 2022
Design performance factors of products the use of safety, reliability, won’t cause damage to the user, using the……
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November 11th 2022
In the process of grease injection, attention should be paid to the valve body pollution and wire plug pressure relief……
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November 9th 2022
Whether valve grease injection is a big problem for most practitioners in the oil industry, and it is also the most co……
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November 7th 2022
In general, the role of pneumatic valves is automatic process control in the field of medium flow, pressure, temperatu……