on off ball valve with pneumatic actuator
Description
On-off ball valve with pneumatic actuator is a fast-opening and closing valve driven by compressed air. It consists of a pneumatic actuator and a ball valve body. Its core function is full-open/full-close control, which is suitable for automated industrial scenarios that require rapid fluid cutoff or conduction (such as emergency shutdown, remote control).
Core structure and composition
Pneumatic actuator
Cylinder and piston: compressed air drives the piston to move, and the output torque drives the ball to rotate;
Control element: including solenoid valves, positioners, etc., receiving signals to adjust the direction and pressure of air flow;
Type: single-acting (spring reset) and double-acting (bidirectional air control), adapted to different control requirements.
Ball valve body
Ball: floating or fixed design, full-diameter structure reduces fluid resistance;
Sealing material: PTFE (corrosion-resistant) or metal hard seal (high temperature and high pressure scenario);
Connection method: flange, thread or welding, adapted to pipeline standards (such as ANSI, DIN). Connecting parts
Bracket and valve stem: Transmit the actuator output torque to the ball to ensure synchronous operation.
on off ball valve with pneumatic actuator specification
| Size Range | 1/2"~8", DN15~200 |
| Acting Mode | Double Acting, Spring Return (Single Acting) |
| Operating Pressure | 1.6MPa |
| Air Supply Pressure | 2.5 to 8 bar |
| Lifespan | 1,000,000 (1 Million) Times |
| Angle of Rotation | 90° ±4° |
| Body Material | SS304, SS316, SS316L |
| Sealing Material | PTFE: -30°C~180°C, PPL: -30°C~250°C |
| Number of Ways | 2 Way |
| End Connection | Thread End |
| Applicable Media | Control of Water, Air, Gas, Oil, Liquid |
| Optional Actuation | Handlever, Electric Actuated, or Pneumatic Actuated |
| Optional Accessories | Namur Solenoid Valve, Limit Switch, F.R.L, Position Indicator, Manual Device |
| Application |
Food & Beverage, Water & Wastewater, Ultra Pure Water, Desalination, Chemical, Textile, Pharmaceutical, Pulp & Paper |
on off ball valve with pneumatic actuator
Advantages
Fast response and high reliability
Pneumatic drive does not require complex circuits, has strong anti-interference ability, and is suitable for explosion-proof and high-risk environments;
The actuator has stable action, high repeatability, and supports remote automation control.
Excellent sealing performance
PTFE valve seat achieves zero leakage at room temperature, and metal hard seals can withstand temperatures up to 450℃ .
Wide media adaptability
Can handle liquids, gases, steam and particle-containing media (such as sewage, pulp).
Easy maintenance
Modular design supports rapid replacement of seals or actuators to reduce downtime.
Applications
Petrochemical
Emergency shut-off of oil and gas pipelines, isolation of reactor materials, and resistance to hydrogen sulfide corrosion.
Energy and power
Rapid shut-off control of boiler steam systems and gas transmission pipelines.
Water treatment and environmental protection
Flow control in sewage treatment plants, reliable cut-off of media containing solid impurities.
Food and Pharmaceutical
Aseptic delivery of sanitary fluids (such as liquid medicines and dairy products) in compliance with GMP certification requirements.
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