HP-75 Pneumatic Actuator – Rack & Pinion Control Head
Looking for a medium-size pneumatic actuator to automate ball or butterfly valves? The HP-75 pneumatic actuator belongs to the HP Series with rack and pinion design, offering higher torque than the HP-50 and reliable 90° quarter-turn operation.
The HP-75 is available in Double Acting or Spring Return versions and is compatible with Namur solenoid valves, limit switches and positioners.
Key Features of HP-75 Pneumatic Actuator
✅ Rack and pinion design for smooth and precise movement.
✅ Available in Double Acting and Spring Return versions.
✅ Working pressure: 2.5 – 8 bar.
✅ Higher torque than HP-50 (approx. 63 Nm at 5.5 bar, up to ~92 Nm at 8 bar).
✅ Hard anodized aluminum body for durability and corrosion resistance.
✅ Standard Namur interface for easy solenoid valve mounting.
✅ Adjustable travel stops ±5° at both ends.
✅ Suitable for medium-size ball and butterfly valves.
Technical Specifications
✅ Model: HP-75
✅ Type: Pneumatic Actuator (Rack & Pinion)
✅ Operation: Double Acting or Spring Return
✅ Air pressure: 2.5 – 8 bar
✅ Rotation angle: 90° (adjustable ±5°)
✅ Double Acting torque: approx. 63 Nm (5.5 bar) – up to ~92 Nm (8 bar)
✅ Body material: Hard anodized aluminum
✅ End caps: Die-cast aluminum
✅ Pistons: Die-cast aluminum
✅ Pinion shaft: Nickel-plated alloy steel
✅ Seals: NBR (Viton optional)
✅ Temperature range: approx. -20°C ~ +80°C (depending on seals)
✅ Standards: SIL, ATEX, CE (depending on version)
Typical Applications
✅ Automation of medium-size ball and butterfly valves
✅ Water, gas and chemical pipelines
✅ Industrial automation and HVAC systems
✅ Remote valve open/close control
✅ Applications requiring higher torque than HP-50
Why Choose the HP-75 Pneumatic Actuator?
The HP-75 features a simple and robust rack & pinion design, high durability, easy maintenance and excellent compatibility with Namur solenoid valves. Its higher torque output compared to the HP-50 makes it suitable for valves with greater operating torque while remaining compact.
Selection & Installation Tips
✅ Choose Double Acting or Spring Return according to fail-safe requirements.
✅ Match the actuator torque with the valve torque requirement.
✅ Supply clean, dry air within 2.5–8 bar.
✅ Install Namur solenoid valve and limit switch if position feedback is needed.
Hotline: 0084 787900099
