FAT-Q-PD Pneumatic Plastic 3-Way Double Union Ball Valve

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.

Technical Specifications

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.

Product Drawings

Comprehensive Technical Drawing (Dimensions & Structure)

Product Benefits & Features

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.

Why Choose Fleyenda Valve Manufacturing

Product Stability

 We use reinforced structures and precision sealing to ensure consistent performance under pressure and temperature changes.

Conpany&Product Certification

We have CE, RoHS, ISO, SIL, TUV, and IP68 waterproof certifications covering safety, quality, and environmental standards.

Projects Experience

Cooperated over 40 countries, we have experience in oil & gas, energy, water, chemicals, food & beverage, and automation.

Customization Capability

 With 20 years experience, we turn complex working conditions into precise valve solutions with high speed and accuracy.

Aftersales Support

•We have technical team provides real-time video support to help customers resolve on-site issues quickly.

Customer Cases

 Trusted by Shell plc, Petronas, Chevron, TotalEnergies, and Dupont in projects across 40+ countries.

Our Product Actual Export Pictures

FAQs That 80% Users Interest

• 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.