CPVC Pneumatic Actuator 3 Way Ball Valve
A CPVC Pneumatic Actuator 3 Way Ball Valve is an automated flow control valve made from CPVC (Chlorinated Polyvinyl Chloride) material and operated by a pneumatic (air-powered) actuator. It is designed to control, divert, or mix the flow of liquids in a piping system through three ports. Radial dismounting valve body (True Union) made for PVC-U, PVC-C PP-H and injection moulding equipped with built-in bores for actuation.
A CPVC Pneumatic Actuator 3 Way Ball Valve is a joint system for solvent welding (PVC-U and PVC-C only), for welding (PP-H only), and for a threading option of disassembling downstream pipes with the valve in the closed position. High surface finish stem with double O-Ring and double connection key to the CPVC Pneumatic Actuator 3 Way ball, equipped with a visual ball position indicator for correct handle installation, easy radial disassembly allowing quick replacement of O-rings and ball seats without any need for tools. The possibility of installing pneumatic and/or electric actuators to the robust anchor tower for easy and quick automation using the Power Quick module.
- Chemical Resistance
- Low Maintenance Requirement
- Low Thermal Conductivity
- Long Service Life
- Easy Installation
- Corrosion Resistance
CPVC Pneumatic Actuator 3 Way Ball Valve Details
*Technical Drawing
*Technical Data
| Parameter | Specification | Description |
| Valve Type | 3-Way Pneumatic Ball Valve | Automated quarter-turn valve |
| Body Material | CPVC (Chlorinated Polyvinyl Chloride) | Corrosion and chemical resistant |
| Ball Type | L-Port / T-Port | Flow diversion or mixing |
| Ball Material | CPVC | Precision-machined for smooth rotation |
| Seat Material | PTFE (Teflon) | Tight sealing and chemical resistance |
| Seal Material | EPDM / FPM (Viton) | Leak-proof performance |
| Actuator Type | Pneumatic (Single / Double Acting) | Air-operated automation |
| Air Supply Pressure | 4 – 8 Bar | Required compressed air pressure |
| Working Pressure | Up to 10 – 16 Bar (size dependent) | Maximum fluid pressure |
| Temperature Range | 0 to 100°C | Suitable for hot corrosive fluids |
| Size Range | ½” to 4” (DN15 – DN100) | Standard available sizes |
| End Connections | Socket / Threaded / Flanged | Installation options |
| Operation | 90° Rotation | Quick open/close action |
| Flow Direction | Multi-directional | Diverting or mixing capability |
| Mounting Standard | ISO 5211 | Standard actuator mounting |
| Control Type | On/Off or Modulating | Automation flexibility via positioner |
| Accessories | Solenoid, Limit Switch, Positioner | Optional control devices |
| Applications | Water, Chemicals, Acids, Alkalis | Suitable industrial media |
1. Material & Construction
- Corrosion-resistant — excellent against chemicals, acids, and salts.
- Lightweight compared to metal valves.
- Good thermal resistance (higher than standard PVC).
2. Valve Operation
3-Way Flow Capability
- Can divert or mix flow between three ports.
- Supports L-port and T-port flow functions:
- L-port: flow switching (one inlet to two outlets).
- T-port: mixing or distributing flow paths.
3. Automated Actuation
Pneumatic Actuator Integration
- Allows remote/automatic control of valve position.
- Fast response with high cycling frequency.
- Can be used with solenoid valves for electrical control.
4. Sealing & Performance
- Tight shut-off with minimal leakage.
- Low friction ball and seats for smooth operation.
- PTFE or reinforced seals for chemical resistance and long life.
5. Control & Feedback Options
- Can be fitted with limit switches for position feedback.
- Supports positioners for modulating control (not just on/off).
- Optional manual override for emergency use.
6. Installation & Maintenance
- Compact footprint ideal for skids and panels.
- Bolt-on actuator makes replacement or service easy.
- Low maintenance — fewer moving parts compared to other valve types.
7. Safety & Reliability
- Fail-safe options (spring return) protect against air loss.
- Stable performance in automated systems.
- Reduces operator exposure to hazardous fluids.
8. Application Versatility
Suitable for:
- Chemical processing (acids, bases)
- Water treatment systems
- Corrosive fluid transfer
- HVAC & chilled water
- Food & beverage (where compatible)
- Pharmaceutical plants
| Valve Size (Inch) | Valve Size (DN) | Max Pressure @ 25°C | Max Pressure @ 60°C | Max Pressure @ 90°C |
| ½” | DN15 | 16 Bar | 10 Bar | 6 Bar |
| ¾” | DN20 | 16 Bar | 10 Bar | 6 Bar |
| 1” | DN25 | 16 Bar | 10 Bar | 6 Bar |
| 1½” | DN40 | 16 Bar | 10 Bar | 6 Bar |
| 2” | DN50 | 16 Bar | 10 Bar | 6 Bar |
| 2½” | DN65 | 10 Bar | 8 Bar | 5 Bar |
| 3” | DN80 | 10 Bar | 8 Bar | 5 Bar |
| 4” | DN100 | 10 Bar | 8 Bar | 5 Bar |
CPVC (Valve Body)
| Property | Typical Value | Unit |
| Material | Chlorinated Polyvinyl Chloride (CPVC) | — |
| Density | 1.50 – 1.60 | g/cm³ |
| Tensile Strength | 50 – 60 | MPa |
| Flexural Strength | 80 – 100 | MPa |
| Modulus of Elasticity | 2400 – 3000 | MPa |
| Impact Strength (Izod) | 80 – 120 | J/m |
| Hardness | Rockwell R 110 – 120 | — |
| Max Continuous Operating Temp | Up to 90 – 95 | °C |
| Thermal Conductivity | 0.14 – 0.20 | W/m·K |
| Coefficient of Thermal Expansion | 6.2 – 6.8 ×10⁻⁵ | mm/mm/°C |
| Water Absorption (24 hrs) | < 0.05 | % |
| Chemical Resistance | Excellent (Acids, Alkalis, Salts) | — |
Pneumatic Actuator (Typical Aluminum Body)
| Property | Typical Value | Unit |
| Body Material | Anodized Aluminum / Epoxy Coated | — |
| Density (Aluminum) | 2.70 | g/cm³ |
| Operating Pressure (Air Supply) | 3 – 8 | Bar |
| Operating Temperature | -20 to +80 | °C |
| Rotation Angle | 90° (standard) | Degrees |
| Mounting Standard | ISO 5211 | — |
| Protection Class | IP65 / IP67 (with accessories) | — |

Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.
Benefits of Using CPVC Pneumatic Actuator 3 Way Ball Valve
1. Excellent Corrosion Resistance
Manufactured from CPVC, it offers superior resistance to acids, alkalis, salts, and aggressive chemicals.
2. Automatic & Remote Operation
Pneumatic actuator allows remote-controlled and automated operation, reducing manual intervention.
3. Multi-Flow Control
Three-way design enables diverting, mixing, or distributing flow in a single valve.
4. Fast Quarter-Turn Action
Only 90° rotation is required for operation, ensuring quick response time.
5. High Temperature Capability
Suitable for handling fluids up to approximately 90°C.
6. Leak-Proof Sealing
PTFE seats and high-quality seals provide tight shut-off and reliable sealing performance.
7. Space & Cost Saving
One 3-way valve can replace multiple 2-way valves, reducing piping complexity and installation cost.
8. Lightweight Construction
Easier to install compared to metal valves, reducing structural load.
9. Low Maintenance
Non-metallic construction prevents rust and scaling, lowering maintenance costs.
10. Safe for Hazardous Areas
Air-operated actuator is suitable for explosive or flammable environments.
11. Long Service Life
Resistant to chemical attack and harsh environmental conditions.
12. Energy Efficient Automation
Pneumatic systems are efficient for continuous industrial operation.
Types of CPVC Pneumatic Actuator 3 Way Ball Valve
1. By Port Configuration (Flow Pattern)
3-Way L-Port Ball Valve
- Designed so that the ball has an “L-shaped” passage.
- Allows two outlets to be alternately connected to the inlet.
- Commonly used for diverting flow or mixing two sources.
3-Way T-Port Ball Valve
- The ball has a “T-shaped” passage.
- Can combine or distribute flow between any two or all three ports.
- Offers more flexible flow patterns.
2. By Pneumatic Actuator Type
Double-Acting Pneumatic Actuator
- Uses compressed air to open and close (air in = move; air out = return).
- Requires external return air pressure.
- Good where fail-position is not required.
Spring-Return (Single-Acting) Pneumatic Actuator
- Uses a spring to return to default position on loss of air.
- Fail-safe: fail-open or fail-close depending on design.
- Common in safety applications.
3. By Mounting/Control Option
Direct Mount Pneumatic Actuator
- Actuator mounted directly on valve without additional brackets.
- Compact and fast response.
Rack & Pinion Pneumatic Actuator
- Converts linear pneumatic force into rotary motion via rack-and-pinion gear.
- Common for 90° ball valves.
4. By Control Functionality
On/Off Pneumatic 3-Way Ball Valve
- Simple open/close or divert action.
- Used where only discrete states are needed.
Pneumatic 3-Way with Positioner
- Actuator equipped with positioner / feedback unit
- Allows modulating control (partial opening).
Solenoid-Controlled Pneumatic Actuator
- Pneumatic actuator triggered by a solenoid valve.
- Good for electrical control with fast actuation.
5. By Flow Direction / Port Orientation
Different physical layouts to suit piping:
- L-Pattern Horizontal
- L-Pattern Vertical
- T-Pattern Universal
- Tank/Source Selectors
Applications of CPVC Pneumatic Actuator 3 Way Ball Valve
Process Industry
High Purity Applications
Electronic Industry
Electrical Industry
Semi-conductors Industry
Pharmaceutical Industry
Solar power panels
Sugar Industry
Paper & Pulp Industry
Nuclear Power Industry
Automotive Industry
DI water plants
Why Choose Petron Thermoplast?
Petron Thermoplast is a trusted manufacturer and supplier of high-quality CPVC Pneumatic Actuator 3 Way Ball Valve, engineered to deliver reliable flow control in demanding industrial environments. Our CPVC Pneumatic Actuator 3 Way Ball Valve is designed to meet international standards while offering long-term performance and cost efficiency.
Our CPVC Pneumatic Actuator 3 Way Ball Valve is designed for low operating torque, allowing smooth manual, gear-operated, pneumatic, or electric actuation. This reduces actuator wear and improves overall system efficiency.
1. Premium-Grade CPVC Material
We use high-quality, corrosion-resistant CPVC that ensures excellent resistance to chemicals, acids, alkalis, and saline media—making our coupler ideal for chemical, oil treatment, and industrial process applications.
2. Robust & Leak-Proof Design
Petron Thermoplast CPVC Pneumatic Actuator 3 Way Ball Valve features precision-engineered discs, high-performance elastomer seals, and rigid valve bodies, ensuring bubble-tight shut-off and consistent operation under pressure.
