Capacités de fermeture étanche
Excellentes capacités d'obturation grâce à des surfaces d'appui usinées avec précision et à des technologies d'étanchéité avancées.
Excellentes capacités d'obturation grâce à des surfaces d'appui usinées avec précision et à des technologies d'étanchéité avancées.

Actionneurs pneumatiques haute performance (à membrane ou à piston) qui assurent un positionnement rapide, précis et fiable avec une poussée élevée.
Positionneurs avancés (pneumatiques, électropneumatiques ou numériques intelligents) qui traduisent les signaux de commande en mouvements précis de la tige de la vanne.
Gamme complète de matériaux de haute qualité, y compris l'acier inoxydable, l'acier inoxydable duplex, l'alliage Hastelloy et l'alliage de titane.
Pneumatic control valves serve as crucial components in automated fluid systems, managing flow and pressure with precision by utilizing compressed air. These valves are operated by an actuator, which receives pneumatic signals from a control system. When air pressure is applied to the actuator, it drives a diaphragm or piston, causing the internal valve element—such as a plug, disc, or ball—to move. This movement adjusts the opening within the valve body, thereby regulating the flow rate, pressure, or temperature of the medium passing through. When the air pressure is released, a spring within the actuator typically returns the valve to its original position, providing reliable fail-safe operation. The actuator’s position is often finely tuned by a positioner, which precisely adjusts the air pressure based on controller signals and feedback on the valve’s actual position, ensuring accurate and stable process control.

Pneumatic Globe Control Valve precisely regulates fluid flow using compressed air to position a globe valve. Ideal for industrial processes like power generation.

Pneumatic Rotary Control Valve uses compressed air to rotate a valve’s internal element, like a ball or disc, for on/off or modulating flow control. It’s efficient and reliable.

Pneumatic Angle Control Valve uses compressed air to actuate a valve with an angled seat. This design provides high flow rates & minimal pressure drop

Pneumatic Three-Way Control Valve uses compressed air to precisely mix or divert fluid flow between three ports, offering versatile regulation in processes

A Pneumatic Piston Control Valve uses compressed air to drive a piston, accurately controlling valve opening for robust, reliable on/off or modulating flow

A Pneumatic PTFE Control Valve uses compressed air to precisely regulate flow in highly corrosive or high-purity environments. PTFE construction ensures exceptional chemical resistance and cleanliness.

Pneumatic Butterfly Control Valve uses compressed air to rotate a disc for fast, efficient on/off or modulating flow control in industrial pipelines

Pneumatic Two Way Control Valve uses compressed air to open or close flow between two ports, regulating fluid for on/off applications

Pneumatic Liner Control Valve uses compressed air to actuate a valve featuring a flexible liner. This design provides excellent sealing, corrosion resistance, and handles abrasive or viscous fluids effectively.
BCST est un fabricant professionnel avec 20 ans d'expérience dans les vannes à guillotine, les vannes de contrôle, les vannes papillon, les vannes à bille, les vannes à guillotine et les accessoires de vannes, tels que les sélecteurs et les positionneurs. BCST est une marque mondiale déposée qui se concentre essentiellement sur les vannes d'instrumentation et de contrôle.
Nous fournissons un résultat unique pour la dimension et le contrôle des flux entrants. BCST a coopéré avec des marques transnationales telles que Rotork, Siemens, ABB et China National Petroleum Corporation. Nos produits sont exportés vers plus de 100 pays dans le monde entier.
BCST dispose de suffisamment de matières premières en stock et d'un personnel technique professionnel capable de répondre rapidement à vos besoins spécifiques. En outre, BCST a plus de 20 fois l'historique des produits et dix fois l'expérience de l'exportation. BCST vous offre les meilleurs résultats en matière de vannes à guillotine pneumatiques.

Fournir des solutions professionnelles en matière de vannes pour répondre aux besoins spécifiques de différentes industries

Providing high-pressure, corrosion-resistant, pneumatic control valve solutions for the oil and gas industry to ensure precise flow control and safe production.

Providing precision-modulating, corrosion‑resistant pneumatic control valve for the chemical processing industry to ensure efficient and safe fluid handling

Providing corrosion‑resistant, accurate pneumatic control valve solutions for the water treatment industry to ensure reliable and safe water distribution.

Providing hygienic, stainless‑steel pneumatic control valve solutions for the food and beverage industry to ensure sanitary and consistent production

Providing high‑temperature, high‑pressure pneumatic control valve solutions for the power generation industry to ensure dependable energy output and system safety

Providing heavy‑duty, wear‑resistant pneumatic control valve solutions for the pulp and paper industry to ensure continuous operation and process stability

Providing fine‑control, moisture‑resistant pneumatic control valve solutions for the textile industry to ensure precise tension regulation and energy efficiency

Providing abrasion‑resistant, rugged pneumatic control valve solutions for the metallurgy and mining industry to ensure reliable performance in harsh environments








Notre équipe de professionnels vous fournira les solutions de vannes les plus adaptées à la réussite de votre projet.
A pneumatic control valve is a type of final control element that regulates the flow of a fluid (liquid, gas, or steam) in a process control system. It operates using compressed air (pneumatic pressure) to actuate a diaphragm or piston, which in turn moves the valve stem to open, close, or modulate the flow path.
Pneumatic control valves offer several significant advantages. They are inherently fail-safe, robust, and reliable in harsh industrial environments. They provide fast response times, high thrust capabilities, and are suitable for hazardous areas as they do not require electrical power at the valve itself.
Selecting the appropriate valve depends on several factors: the type of fluid, process conditions (pressure, temperature, flow rate), required control action, desired flow characteristics, and safety requirements. Our technical team at BCST Valve can provide expert guidance and sizing calculations.
Absolutely. As a reputable pneumatic control valve manufacturer, BCST Valve is committed to adhering to the highest international quality and safety standards. Our valves are ISO-registered and hold certifications such as CE, ATEX, SIL2, NACE, and APL.
Yes, pneumatic control valves are often preferred in hazardous locations because they operate using compressed air, eliminating the risk of electrical sparks that can ignite flammable gases or dust. This inherent safety makes them a robust choice for explosion-proof applications.
To select the correct valve, consider factors like the fluid type (liquid, gas, steam, slurry), operating pressure and temperature ranges, required flow capacity (Cv value), desired control characteristics (on/off vs. modulating), actuation speed, environmental conditions, and material compatibility. Assistance in making the optimal choice is available.
Tell us your specs; our engineer will reply within 24 hours.