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DOCN Featured Products-Control Valve
2022-07-20
Control valves are Zhejiang dongchen valve’s featured products
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DOCN Featured Products-Control Valve
DOCN Flat Gate Valve
2022-09-12
Flat gate valve is one of the important varieties of control valves in the production process. It has the advantages of full diameter, small flow resistance, good sealing and convenient switching.
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DOCN Flat Gate Valve
DOCN Fixed Soft Seal Ball Valve
2022-07-21
​The metal sealed ball valves of Dongchen are suitable for high temperature, high pressure, and other services, which can achieve zero leakage of the valve seat and has the characteristics of high erosion resistance, high wear resistance, and long service
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DOCN Fixed Soft Seal Ball Valve
Flashing in Control Valve
2022-09-14
Flashing occurs when a liquid flows through a control valve and evaporates to retain the vapor.
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Flashing in Control Valve
The Chairman Inspect the Workshop
2022-07-25
Mr. Linhua Luo, President of Zhejiang Dongchen Valve Technology Co.,Ltd., went to the workshop to inspect the work.
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The Chairman  Inspect the Workshop
Pressure Test of Ball Valve
2022-09-16
In chemical production, if there is fluid passing through, valves will be used, so the importance of the valve in the chemical industry can not be overstated.
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Pressure Test of Ball Valve
DN700 Triple Offset Butterfly Valve
2022-07-01
Zhejiang Dongchen Valve Technology Co., Ltd. has developed a full welded triple offset butterfly valve.
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DN700  Triple Offset Butterfly Valve
What is the Dead Band of Valves
2022-07-28
Deadband is a common phenomenon that refers to the range or width of a controller's output value that cannot cause a change in the measured process variable when the input signal changes direction.
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What is the Dead Band of Valves
Factors Affecting the Sealing Performance of Valves
2022-09-19
Valve leakage is very common in life and production, which may cause waste in light and danger in heavy cases.
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Factors Affecting the Sealing Performance of Valves
Dongchen Control Valve
2022-07-06
DONGCHEN control valves are widely used in the petroleum, chemical industry, light industry, pharmacy, paper-making, metallurgy, power generation, and other industries, and play an important role in the process of automatic industrial instrument productio
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Dongchen Control Valve
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