Industry News
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
How to Prevent Damage Caused by Valve Leakage? - DOCN Dongchen Valve
2022-10-24
There are three ways to prevent damage caused by valve leakage.
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How to Prevent Damage Caused by Valve Leakage? - DOCN 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
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
Industry Application of Dongchen Electric Actuators
2022-10-26
Electric actuators are an indispensable part of process industry automation. They control the opening and closing of on-site valves by sending on-off or analog signals from a remote host computer.
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Industry Application of Dongchen Electric Actuators
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
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
Dongchen Single-Seated Control Valve
2022-11-05
Dongchen DC1621 cage-guided single-seated control valve internals have an easy disassembly design. It is much easier to do on-site maintenance and can endure bigger pressure differentials if the guide cage is replaced with a porous structure.
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Dongchen Single-Seated Control Valve
What is Blowdown Valve? - Introduction, Application
2022-09-01
Blowdown valve is widely used for continuous throttling control or intermittent discharge of boiler water under high differential pressure.
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What is Blowdown Valve? - Introduction, Application
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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