Industry News
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
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
DOCN Ball Valve Series
2022-07-19
DOCN valve has more than 10 years of experience in ball valve research and development.
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DOCN Ball Valve Series
Maintenance of Pneumatic Control Valve
2022-09-21
The daily maintenance of pneumatic control valve mainly includes the following items.
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Maintenance of Pneumatic Control Valve
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 Desuperheater - Dongchen Valve
2022-09-23
Desuperheater is a key component of thermal management for industrial applications from power generation to refrigeration and air conditioning.
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DOCN Desuperheater - Dongchen 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
Floating Ball Valve and Fixed Ball Valve
2022-09-26
The ball valve can be divided into floating ball valve and fixed ball valve according to different working modes of the ball valve. What are the main differences between floating ball valve and fixed ball valve?
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Floating Ball Valve and Fixed Ball 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
Working Principle of Globe Valves
2022-09-28
In brief, the principle of globe valve, made by Chinese Globe Valve Manufacturer DOCN, is to use the stem torque to give a downward pressure to the sealing surface.
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Working Principle of Globe Valves
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