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?

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.

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.

DOCN invites you to attend the 7th Procurement Conference for China Petroleum and Chemical Industry.

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.

Zhejiang Dongchen Valve Technology Co., Ltd. has developed a full welded triple offset butterfly valve.

DOCN Dongchen Self-operated pressure control valve is the executive product that depends on the medium's own energy to autonomously control the valve.

Blowdown valve is widely used for continuous throttling control or intermittent discharge of boiler water under high differential pressure.

In the afternoon of May 8, 2023, leaders from Xizi Clean Energy Equipment Manufacturing Co., Ltd. visited Dongchen Intelligent Technology Co., Ltd. for inspection and exchange.

Valve leakage is one of the most common of the many failures. Even valves labeled as “zero leakage”, or “bubble tight”, are not necessarily completely leakage-free. The leakages of valves generally are internal and external leakage.