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Xi’an Yuesheng Xingyao Trading Co., Ltd.: Your Professional Operating System Manufacturer!

Since its establishment in 2017, Xi'an Yuesheng Xingyao Trading Co., Ltd. has been deeply rooted in the automotive aftermarket and has been dedicated to providing global customers with high-quality and reliable solutions for automotive parts and accessories. Our development path has demonstrated the core values of dedication, quality, and customer supremacy.

Pneumatic Control Valve
Body Material: SS304/316 / Cast Steel / Brass. Connection: Flanged / Threaded / Welded. Size Range: DN15 - DN200 (1/2 - 8). Pressure Rating: PN16 / PN25 / PN40.

Why choose us?

Careful selection and deep collaboration
Our cooperative factories are not merely suppliers but core partners who have been rigorously screened, continuously evaluated, and deeply integrated with us. We not only focus on their production capacity but also value their quality culture, technical strength, and commitment to continuous improvement. We have established a close cooperation model with core factories featuring joint research and development, collaborative production, and resource sharing.

Exclusive capacity, stable supply
Through long-term cooperation and investment, we have established a highly trusted exclusive capacity guarantee mechanism with our core partner factories. This ensures that even during market fluctuations, we can provide our customers with stable, timely, and predictable product supplies.

Advanced equipment
We deeply integrate and effectively utilize the advanced production equipment resources of these partner factories to ensure they serve our product standards and customer demands. Our core strategic partner factories are all equipped with world-leading production equipment and technologies.

Benefits of Pneumatic Control Valve

01/

Cheap
Many of its components are cheaper than electric or hydraulic pneumatic systems. Moreover, compressed air is a cheap source of energy.

02/

Long lasting
They are able to withstand dirt, temperature variations and vibrations. Therefore, they are able to survive in rugged conditions for long.

03/

Non dangerous
Because they make use of compressed air that is harmless, these systems are themselve non-dangerous and can be used in dangerous conditions. In the event of a leak, the air quickly leaves without causing damage.

04/

Easy to manage
Because pneumatic systems have fewer moving parts, maintenance is less complicated. This results in less downtime and costs associated with running the system.

05/

Cost effective
Most importantly, air is always available which makes this system self-sustaining. The use of energy conserving systems in them can also be of great help.

06/

Fast actuation
Actuation of the system is fast too, which is one of the important requirements in most cases. This improved time and productivity as well as greater accuracy.

Product Specifications

Parameter	Value
Body Material	SS304/316 / Cast Steel / Brass
Connection	Flanged / Threaded / Welded
Size Range	DN15 - DN200 (1/2" - 8")
Pressure Rating	PN16 / PN25 / PN40
Operating Temperature	-20°C to +180°C
Control Type	Normally Open / Normally Closed / Double Acting
Response Time	≤ 2second
Protection Rating	IP65 / IP67

Application of Pneumatic Control Valve

Oil & gas
Used extensively in upstream production, midstream transportation, and refining processes. These valves handle critical flow control for gases and liquids under high pressure and often in hazardous environments, meeting stringent safety standards like ATEX pneumatic valves.

Chemical & petrochemical plants
Pneumatic valves manage aggressive and corrosive chemicals, requiring precise throttling and quick response to ensure process safety and efficiency. For aggressive media, consider options like flanged ball valves with PTFE lining to resist chemical attack.

Water & wastewater treatment
Key for regulating flow and pressure in filtration, dosing, and sludge handling. The pneumatic actuator benefits here include resistance to contamination and simple maintenance.

Power generation

Boilers, steam control, and cooling systems rely on fast-acting pneumatic valves to maintain operational stability and safety under varying loads.

Food & beverage

Sanitary pneumatic valves are favored for their clean operation and compatibility with FDA regulations, ensuring no contamination risk.

Pharmaceutical

These valves control clean air supply and sterile fluid processes, demanding precise and reliable performance with minimal maintenance.

Pulp & paper, mining, HVAC

Large-scale operations use pneumatic valves for tough environments that call for high torque and low maintenance valves to control air, water, and steam flows.

Packaging and Shipping

FAQ

Q: What is the primary function of a pneumatic control valve?

A: A pneumatic control valve acts as a "traffic controller" within a system, modulating the flow rate of gases or liquids by changing the size of the flow passage in response to a signal from a controller. This allows for the precise regulation of process parameters such as pressure, temperature, and liquid levels in manufacturing or chemical plants.

Q: What are the main components that make up the valve assembly?

A: A standard assembly consists of three core parts: the valve body (which houses the internal trim), the actuator (which provides the mechanical force to move the valve), and the positioner (which ensures the valve reaches the exact position dictated by the control signal). Additional components include the valve stem, plug, and high-quality seals or gaskets to prevent internal and external leaks.

Q: How does the control signal translate into physical valve movement?

A: In modern systems, an electrical control signal (typically 4-20 mA) is sent to an I/P converter, which translates it into a proportional pneumatic signal (usually 3-15 psi). This air pressure enters the actuator chamber, where it exerts force against a diaphragm or piston to move the valve stem and adjust the flow opening.

Q: What is the difference between single-acting and double-acting actuators?

A: Single-acting (spring-return) actuators use air pressure to move the valve in one direction and a built-in spring to push it back when the air is removed, providing an inherent fail-safe. Double-acting actuators use compressed air to move the valve in both directions, offering more accurate and controlled movement but lacking a spring-driven default position.

Q: Why are pneumatic control valves preferred in hazardous environments?

A: Because they rely on compressed air rather than electricity for actuation, these valves are inherently safe for use in explosive or flammable atmospheres. They significantly reduce the risk of sparks or heat generation, making them the preferred choice for oil and gas, chemical, and petrochemical facilities that must meet ATEX or IECEx safety standards.

We are one of the most professional operating system manufacturers and suppliers in China, providing high quality customized products with low price. We warmly welcome you to wholesale cheap operating system made in China here from our factory.

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Why choose us?

Benefits of Pneumatic Control Valve

Product Specifications

Packaging and Shipping

FAQ

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