Benefits Of Pneumatic Operated Ball Valves:
To perfectly match your project needs, we offer this pneumatic operated plastic ball valve to provide you with a great value for money fluid control solution. The advantages of plastic ball valves are low cost, lightweight, low starting torque, easy operation and easy installation. Widely used in surface water treatment systems, membrane filtration systems, reverse osmosis devices, etc.
The advantages of pneumatic actuators are fast response and cost-effective, which can help you improve production efficiency and project safety.
Features Of HK57 Series Plastic Double Union Pneumatic Operated Ball Valve:
- Lightweight, anti-corrosion, quick connection, easy to operate and cost-effective
- Rack and pinion pneumatic actuator with features of 1 million lifespans and high torque
- Widely used in wastewater treatment plants, municipal water supply projects, etc
- Also provide CPVC, PPH or PVDF materials to meet your project’s needs

- Available in 2-way and 3-way(T or L port) ball valve


Technical Parameters Of HK57 Series Pneumatic Operated Ball Valve
Size Range |
DN15 to DN100(1/2in to 4in) |
Body Material Options |
UPVC, CPVC, PPH and PVDF |
Connection Type |
Double Union(True Union) |
Pressure Rating |
10bar |
Structure Type Options |
2 Way or 3 Way |
Sealing Material Options |
EPDM or FKM |
Stem Material |
Plastic UPVC |
Application Medium |
Water, wastewater, oil, gas, air, and so on |
Dimension Of HK57 Pneumatic Operated 2-Way UPVC Ball Valve

Dimension Of HK57-T Pneumatic Operated 3-Way UPVC Ball Valve

Technical Parameters Of Rack And Pinion Pneumatic Actuator
Double Acting |
Air To Open, Air To Close. Air Supply Failure To Keep The Current Position |
Single Acting |
Air To Open, Interrupt Air To Close or Air Failure To Close |
Air Supply Pressure |
2.5bar to 8bar |
Rotation |
90° |
Operating Temperature |
-20℃ to 80℃ |
Optional Accessory |
Reversing Solenoid Valve, Limit Switch Box, Air Filter Reducing Valve, Positioner, Handle Manual, Lock Up Valve |

Download Documents
Download Details Of HK55 Plastic Pneumatic Actuator 2-Way Ball Valve
Download Details Of HK55-T Plastic Pneumatic Actuator 3-Way Ball Valve
Purchase Guide
- Confirm the valve size you need. We offer this pneumatic ball valve in 1/2in to 4in
- Confirm the valve body material you need. We offer this pneumatic ball valve in UPVC and CPVC material
- Confirm the valve connection standard you need. We manufacture plastic ball valves in ANSI, JIS, DIN and UK standards for you
- Confirm the pressure and working temperature. Pressure and temperature are the important points and those may affect the cost
- Tell us your medium. Different medium has different features and we will help you to select the valve basic on the medium requirements
- Confirm the actuator type you need. We have double-acting pneumatic valve actuator and spring return(single-acting) pneumatic valve actuator for your project
- Tell us whether you will need the pneumatic accessories
- Any requirements please tell us like core material, sealing material, or connection standard. We could help you to custom the valve you need.
Order your pneumatic plastic ball valve now! sales@covnaactuator.com