Linear Stroke Pneumatic Actuator

Introduction to BHQ Series Linear Stroke Pneumatic Actuator

The BHQ Series Linear Stroke Pneumatic Actuator is a high-performance industrial executive component manufactured by Yangzhou Hengchun Electronics Co., Ltd., a leading China-based pneumatic actuator manufacturer. Taking compressed air as the core power source, this actuator outputs stable linear force and displacement, dedicated to actuating valve stems of control valves, gate valves, globe valves and other industrial valves, as well as driving various linear motion loads. As the key "muscle and nerve" of industrial process automation, it enables precise continuous or step-by-step opening degree control of equipment, and is the core device for regulating critical process parameters such as flow rate, pressure and liquid level in automated systems. Classified into spring-return (single-acting) and dual-action types, the single-acting version is specially optimized for working conditions requiring emergency shut-off, making it a reliable choice for industrial safety control.

Key Advantages of BHQ Series Linear Stroke Pneumatic Actuator

High Thrust Output & Stable Performance

Under 5Bar pressure, the actuator delivers a dual action thrust of 93KN and a single action thrust of 41KN, with a rated operating pressure range of 0.4-0.8MPa (0.6MPa for common use), meeting the power demands of most industrial linear motion scenarios.

Long Service Life & Low Leakage

It achieves an actuation service life of ≥50,000 opening-closing cycles under rated load, with strict leakage rate standards for the back pressure side and shaft end, ensuring long-term stable operation with low maintenance.

Strong Environmental Adaptability

With standard operating temperature of -20℃~+80℃, and customizable low (-40℃~+80℃) and high (-20℃~+120℃) temperature versions, it has IP65/IP67 protection grade and optional Exd II BT4/CT4 explosion-proof grade, adapting to harsh industrial environments.

Standardized Connection & Easy Installation

Compliant with GB/T 12223 flange connection and GB/T 7306.1/2 air port thread standards, it supports bracket and flange mounting methods, matching mainstream industrial equipment and reducing installation and replacement costs.

Complete Configuration & Customizable Accessories

Equipped with standard accessories including opening indicator, stroke limiter, manual mechanism and signal feedback; optional solenoid valve, positioner, air filter regulator and lock-up valve are available to meet personalized application needs.

Technical Specifications of BHQ Series Linear Stroke Pneumatic Actuator

Quality Assurance of BHQ Series Linear Stroke Pneumatic Actuator

Hengchun Actuator adheres to strict manufacturing and quality control standards for the BHQ Series Linear Stroke Pneumatic Actuator, with the product manufactured from high-quality materials—QT450 ductile iron/cast aluminum cylinder block ensures structural rigidity, aluminum alloy piston reduces motion resistance, and NBR/FKM seals enhance sealing performance and corrosion resistance. The actuator undergoes rigorous pressure holding and leakage tests before leaving the factory, complying with international industrial standards and obtaining ISO certification. The company provides an 18-month warranty for the complete unit, with a professional after-sales service team to offer technical support and maintenance solutions, ensuring the product’s long-term operational reliability for customers.

Industrial Applications & Use Cases of BHQ Series Linear Stroke Pneumatic Actuator

As a versatile linear stroke pneumatic actuator, it is widely applied in core industrial sectors including oil & gas, power generation, and water treatment—the key fields Hengchun Actuator focuses on. It is the ideal driving device for control valves, gate valves and globe valves in pipeline transportation, chemical reaction kettles, water treatment systems and power plant boiler equipment, realizing precise regulation of flow, pressure and liquid level in industrial processes. The single-acting version is widely used in emergency shutdown (ESD) systems of oil and gas pipelines, chemical plants and other hazardous workplaces, providing rapid and reliable shut-off protection to reduce industrial safety risks. In addition, it is also applicable to metallurgy, papermaking and other process industries with linear motion control demands.

FAQ about BHQ Series Linear Stroke Pneumatic Actuator

What is the core power source of the BHQ Series Linear Stroke Pneumatic Actuator?

It takes compressed air as the exclusive power source, which is clean and easy to supply in industrial sites, and matches with common air compressor systems.

Can the actuator be customized for special working conditions such as ultra-low temperature and high explosion-proof grade?

Yes. We provide custom low-temperature (-40℃~+80℃) and high-temperature (-20℃~+120℃) versions, and the explosion-proof grade can be upgraded to Exd II CT4 on the basis of the standard Exd II BT4 to meet the requirements of special industrial environments.