Pneumatic Directional Control Valve from China Manufacturer Factory

HANUMAN, a China-based factory and manufacturer, excels at crafting pneumatic directional control valves like the 3V300 and 4V300 series. Our valves ensure durable and sensitive control over airflow in pneumatic systems.

Pneumatic directional control valves, precise command of industrial automation in China factory

In today's automation industry, pneumatic directional control valves, as an important part of pneumatic systems, play a key role in controlling the direction of airflow and realizing the automatic operation of equipment. These valves are crucial in the factories of China, where they are manufactured by leading manufacturers to meet the high demands of precision and efficiency. producing high-quality pneumatic directional control valves that are essential for the smooth operation of industrial automation systems. These valves ensure that the flow of air is directed accurately, which is vital for the performance of various automated machinery in factories across the country.

Working principle of pneumatic directional control valve

The pneumatic directional control valve uses air pressure as a power source and uses the movement of the valve core to change the channel direction of the airflow, thereby realizing the control of the movement direction, speed and position of pneumatic actuators (such as cylinders, air motors, etc.). Its core components are the valve core and the valve body. Under the action of air pressure, the valve core converts the input air pressure signal into the output airflow direction change through different strokes and position changes. Pneumatic directional control valves usually include air inlet, exhaust port, working port and control port. When the control signal (such as the solenoid valve is energized) acts, the valve core is displaced under the push of air pressure, changing the connectivity of the air path, thereby realizing the reversal of airflow.

Pneumatic control valve VS electric control valve

Power source and control method: Pneumatic control valve uses compressed air as the power source, and drives the valve core through the reciprocating motion of the cylinder to achieve fluid regulation. The electric control valve uses electricity as the driving source, and drives the valve core and valve stem to produce relative displacement through the forward and reverse rotation of the motor to change the cross-sectional area between the valve core and the valve seat, thereby controlling the flow, temperature, pressure and other process parameters of the pipeline medium.

Performance characteristics: Pneumatic control valve has a simple structure, reliable and stable action, and large output force. It is easy to install and maintain, cheap, and fireproof and explosion-proof. It has fast response speed, simple control, inherent safety, and no additional explosion-proof measures are required. However, the signal is not suitable for remote transmission and requires a stable air source. The electric control valve has smooth action, high reliability, excellent on-off characteristics and good ability to overcome pressure differences. It has high precision, resolution of up to 1/1000, low operating cost, and no maintenance is required. It is suitable for long-distance signal transmission, but the structure is relatively complex, the thrust is small, and the price is expensive.

Scope of application: Pneumatic control valves are widely used in large flow and low pressure control occasions such as metallurgy and textiles due to their simple operation and price advantages. They are safe and do not require additional explosion-proof measures. They are also suitable for occasions with high explosion-proof requirements. Electric control valves are suitable for fields such as chemical industry and medicine that require high-precision control due to their precise control capabilities. Suitable for occasions that require smooth, stable and slow adjustment processes.

Application of pneumatic directional control valves

Mechanical manufacturing industry: On CNC machine tools, automated production lines and other equipment, pneumatic directional control valves are used to control the extension and contraction of cylinders to achieve operations such as clamping, loosening and handling of workpieces.

Food processing industry: In food packaging and transportation, pneumatic directional control valves control the movement of pneumatic actuators to achieve automatic sorting, packaging and transportation of food.

Chemical industry: On chemical production lines, pneumatic directional control valves are used to control the transportation, mixing and stirring of materials to ensure the stability and safety of the production process.

Automobile manufacturing industry: On automobile assembly lines, pneumatic directional control valves are used to control the lifting, rotation and other actions of assembly tools to improve assembly efficiency and precision.

Common types of pneumatic directional control valves

Straight-through reversing valve: used to control the reversing of a single gas circuit, that is, open in one direction and close in the other direction. Simple design and easy operation.

Multi-way reversing valve: has multiple working ports and exhaust ports. Through the movement of the internal valve core, the reversing control of multiple gas circuits can be realized. It has more complex and flexible control functions.

Solenoid valve: controls the movement of the valve core through the action of the electromagnet. When the electromagnet is energized, a magnetic field is generated to attract the valve core to move, thereby changing the flow direction of the gas circuit. Fast response speed, precise control, and easy integration.

Manual reversing valve: controls the movement of the valve core through a manual operation handle or knob to achieve the reversal of the gas circuit. It requires manual intervention or manual control and is suitable for certain specific applications, such as commissioning, maintenance or emergency situations.

Why choose GXR

Among many pneumatic directional control valve manufacturers, GXR has won wide recognition in the market with its strong technical strength, rich product lines and high-quality services. GXR Factory has nearly 30 years of manufacturing and sales experience in the pneumatic and hydraulic fields in China, and has accumulated rich industry resources and professional technology. GXR pneumatic directional control valves are manufactured with high-quality materials and advanced processes, which can achieve high-precision airflow control and respond quickly to meet the needs of various complex working conditions. Professional pre-sales consultation, after-sales support and customized services ensure that customers receive all-round support during use.