Pneumatic High Pressure Control Valve

Product Overview

The pneumatic high pressure control valve is a special valve specially used for high pressure systems. The imported pneumatic high-pressure regulating valve is composed of a pneumatic membrane multi-spring actuator and a high-pressure valve. The valve is used to adjust the pressure before and after the valve. The adjustment sensitivity is precise and the pressure is stable. The labyrinth-type flow channel control valve composed of multi-stage axial flow pressure sleeve is used, which completely controls the flow rate of the medium flowing through the valve, greatly reduces the noise generated by high-pressure gas or steam in the valve, and has a stable multi-level flow. The pressure reduction effectively prevents the liquid from cavitation, and is a control valve with stable performance in high-pressure medium places.

The working principle 

The pneumatic high pressure control valve uses compressed air as the power source, the cylinder as the actuator, and drives the valve with the help of electrical valve positioners, converters, solenoid valves, position retaining valves and other accessories to realize on-off or proportional adjustment. Receive the control signal of the industrial automation control system to complete the adjustment of the pipeline medium: flow, pressure, temperature and other process parameters. The characteristics of the pneumatic control valve are simple control, fast response, and intrinsic safety, and no additional explosion-proof measures are required.

Application

LOZOSE pneumatic high pressure control valve is generally used for high temperature and high pressure steam and water supply occasions. It is widely used in power stations, metallurgy, petrochemical and many other industries. The problems of cavitation, noise and vibration of high temperature and high pressure control valves have always been a difficult problem to solve. This is the latest generation of regulating valve with high technical content. It uses mature technology to successfully solve the problems such as cavitation, high noise and vibration encountered by ordinary control valves. It has been used in power plant boiler desuperheating water, feed pump minimum flow control and other flow regulation. The labyrinth inlet control valve can be specially designed according to the different requirements of users, and can eliminate the problems of cavitation, noise, corrosion and vibration by controlling the flow rate of the medium. The labyrinth control valve is designed as a quick-release type in structure, which is convenient for maintenance and can be easily replaced. The power plant adopts labyrinth control valve, which can ensure safe and stable operation, improve efficiency and prolong maintenance period.

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