The pneumatic actuator is an industrial-grade drive solution that integrates outstanding performance, extremely long service life and high cost performance. Designed specifically for precise and reliable control of ball valves, butterfly valves and other 90° rotary valves, it is an ideal choice in harsh working conditions. With its robust structure, optimized design and precise manufacturing process, the HL series ensures unparalleled reliability and control efficiency for you in process automation applications.
Core features and advantages
Outstanding durability
Cylinder block and end cover: Made of high-strength aluminum alloy through extrusion molding and treated with hard anodizing, it forms a surface that is extremely hard, wear-resistant and corrosion-resistant, significantly superior to ordinary coatings.
Moving parts: All bearings and sliding surfaces are supported by low-friction and highly wear-resistant composite materials, effectively absorbing vibration and preventing contact between metals, thereby minimizing wear and greatly extending service life.
Outstanding performance
Precision manufacturing: Core components are processed by high-precision CNC equipment to ensure the perfect fit and smooth operation of internal components, achieving high repeatability accuracy and rapid response.
Low-torque design: The optimized internal flow channel and low-friction design ensure that the required torque can be output at a lower air source pressure, which is energy-saving and highly efficient.
Two models are available: double-acting and single-acting (spring return), to meet different application requirements. The spring-return model can automatically drive the valve to a safe open or closed position when gas or power is cut off.
Easy to install and versatile
Conforming to international standards: The output interface complies with international standards such as ISO 5211, and various specifications of adapter discs are provided, which can be easily installed with the vast majority of brands of ball valves and butterfly valves to achieve seamless integration.
Modular design: It can conveniently install various accessories, such as solenoid valves, limit switches, positioners and air source treatment units, to meet complex control requirements.
Strict quality assurance
The entire production and testing process strictly follows the ISO 9001 quality management system standards to ensure that every product leaving the factory has constant high performance and reliability.
Technical specifications
Drive type: Compressed air (Double-acting or single-acting spring return is optional)
Working pressure: Standard type 2-8 bar (29-116 psi), non-standard pressure range can be provided
Operating temperature: Standard type -20°C to +80°C (-4°F to +176°F) (Special seals can reach higher/lower temperatures)
Material
Main body: High-strength aluminum alloy, hard anodized surface
Piston: Aluminum alloy
Bearings and seals: Wear-resistant composite material/NBR (nitrile rubber) standard seals (optional Viton/ fluororubber, etc.)
Surface treatment: Hard anodizing
Protection grade: Standard IP67 (optional IP68/M), suitable for outdoor, dusty and humid environments
Anti-corrosion grade: C4-M
Typical application fields
Chemical industry: Cutting off and regulating media in reaction vessels and pipelines
Power industry: Flue gas desulfurization, coal powder conveying systems
Water and wastewater treatment: Filtration systems, dosing, flow control
Metallurgical industry: Cooling systems, blast furnace gas control
Papermaking industry: Pulp control, chemical transportation
Oil and gas: Pipeline cut-off, equipment switch control
Why choose Hengli HL series actuators?
Choosing the HL series means you are choosing durable performance, significantly reduced maintenance costs and long-term stable operation guarantees. We not only offer products, but also provide reliable drive solutions for your process control.
Contact us immediately to obtain detailed technical documentation and select the most suitable model for your application.
