The Pneumatic Plastic 3-Way Double Union Ball Valve features a corrosion-resistant UPVC/CPVC body and 3-port design, ensuring precise flow control, leak-free operation, and long service life—validated by ISO 5211 mounting, PTFE seals rated to 16 bar, and 100,000 cycle durability tests.
| Size Range | DN15 – DN100 (1/2″ – 4″) |
| Working Pressure Range: | PN10 – PN16 (10–16 bar / 145–232 PSI) |
| Working Temperature Range: | 0°C – 60°C (UPVC), 0°C – 90°C (CPVC) |
| Body Material: | UPVC / CPVC / PVDF |
| Connection Type: | Double Union Socket or Threaded (BSPT/NPT) |
| Applicable Medium: | Water, Acid, Alkali, Saline Solution, Chemical Liquids |
| Actuator Type: | Pneumatic Rack & Pinion, Double Acting or Spring Return |
| Voltage Options | Air Supply 4–7 bar, Solenoid 24VDC / 110VAC / 220VAC |
| Design Standard | ISO 5211, DIN / ANSI / JIS |
| Testing Standard | EN 12266-1, ISO 9393 |
| Fire-Safe Design | Not Applicable |
| Certification | CE / RoHS / ISO 9001 / IP65 (Actuator) |
| Customization | Above Are Standard Parameter Samples. If You Have Specific Parameters And Materials, We Can Customize Them All. |
Comprehensive Technical Drawing (Dimensions & Structure)
1. Flow Control & Efficiency
• Pneumatic Plastic 3-Way Double Union Ball Valve provides accurate flow diversion or mixing in automated piping systems.
• Full-port design reduces pressure loss and improves fluid transfer efficiency.
• Pneumatic actuator delivers fast, repeatable switching for stable control.
• Compact, lightweight structure fits tight installation spaces.
2. Corrosion Resistance & Durability
• UPVC/CPVC pneumatic 3-way valve resists acids, alkalis, and saline solutions for long service life.
• PTFE seats and FPM/EPDM seals ensure reliable, leak-free performance.
• Non-metallic body eliminates rust and corrosion in chemical systems.
• Thermoplastic housing provides strength and UV stability for outdoor use.
3. Installation & Maintenance
• Double union ends allow quick removal and replacement without cutting pipes.
• ISO 5211 mounting pad supports direct actuator connection.
• Lightweight plastic construction simplifies handling and setup.
• Socket or threaded ends compatible with DIN, ANSI, and JIS standards.
4. Automation & Integration
• Works with double-acting or spring-return pneumatic actuators.
• Optional solenoid and limit switch enable remote control and signal feedback.
• Pneumatic 3-way valve integrates easily with PLC or SCADA systems.
• Low air consumption and high torque efficiency support energy-saving operation.
We use reinforced structures and precision sealing to ensure consistent performance under pressure and temperature changes.
We have CE, RoHS, ISO, SIL, TUV, and IP68 waterproof certifications covering safety, quality, and environmental standards.
Cooperated over 40 countries, we have experience in oil & gas, energy, water, chemicals, food & beverage, and automation.
With 20 years experience, we turn complex working conditions into precise valve solutions with high speed and accuracy.
•We have technical team provides real-time video support to help customers resolve on-site issues quickly.
Trusted by Shell plc, Petronas, Chevron, TotalEnergies, and Dupont in projects across 40+ countries.
• Air-actuated 3-way union valve combines three flow paths in one unit for efficient flow diversion or mixing.
• Compact, lightweight body ensures smooth operation in limited spaces.
• Corrosion-resistant thermoplastic structure suits chemical, water treatment, and industrial fluid systems.
• Pneumatic actuator provides fast, reliable switching for precise control.
• UPVC and CPVC materials resist acids, alkalis, and saline liquids effectively.
• PTFE seats and EPDM/FPM seals maintain long-term leak-free performance.
• Non-metallic body prevents rust and galvanic corrosion in aggressive media.
• Plastic true-union valve allows quick maintenance without cutting pipelines.
• ISO 5211 mounting pad enables direct actuator installation.
• Match actuator torque with valve body strength to prevent deformation.
• Add solenoid valves or limit switches for automated feedback control.
• Correct air supply and logic ensure accurate switching between L-port and T-port.
• L-port design diverts one inlet to two outlets or isolates flow paths.
• T-port design allows mixing or combining flows for multi-line systems.
• Pneumatic diverter valve with T-port handles complex circulation efficiently.
• Verify actuator position and flow direction to prevent dead-leg flow.
• Check union nuts and seals regularly to prevent leaks from plastic deformation.
• Maintain clean, dry air for consistent actuator performance.
• Replace worn PTFE seats or seals promptly.
• Track operation cycles to ensure the actuated plastic valve runs within rated limits.
Adding {{itemName}} to cart
Added {{itemName}} to cart