TRUE UNION DIAPHRAGM VALVE – PVC, PP, PVDF UNION CONNECTION VALVE FOR HIGH-PERFORMANCE FLUID CONTROL

Overview of TRUE UNION DIAPHRAGM VALVE

The TRUE UNION DIAPHRAGM VALVE is a high-quality plastic valve designed for precise fluid control using an up-and-down diaphragm mechanism. Its union connection design allows easy maintenance and replacement without removing the entire piping system.

Manufactured from PVC, CPVC, PP, and PVDF, the valve provides excellent corrosion resistance, durability, and smooth operation, making it ideal for sludge, viscous, sticky fluids, and chemical applications. The valve can also be fitted with an actuator for automation.

Key Features of TRUE UNION DIAPHRAGM VALVE

• Precise flow control through diaphragm operation
• Union connection design for easy maintenance and replacement
• Multiple diaphragm material options for various applications
• Durable handwheel for smooth and easy operation
• Gauge Cap installed for easy open/close status check
• Multiple connection types: Thread, Socket
• Ideal for sludge and viscous fluid lines
• Actuator mountable for automation

Technical Specifications

Product Name: TRUE UNION DIAPHRAGM VALVE
Body Materials: PVC, CPVC, PP, PVDF

Connection Types:

• Socket: PP & PVDF, PVC & CPVC (JIS)
• Thread: PVC & CPVC, PP & PVDF (JIS / ANSI)

Available Sizes:

• True Union Diaphragm Valve Socket
• True Union Diaphragm Valve Thread

Structure of TRUE UNION DIAPHRAGM VALVE

• Valve body
• Diaphragm
• Stem
• Handwheel
• Position indicator cap (Gauge Cap)
• Union connection

The fully sealed design ensures leak-proof operation and safety in chemical and sludge environments.

Upgrade Options

🔹 Diaphragm Materials

• EPDM: Suitable for water and mild chemicals
• FPM (Viton): Resistant to high temperature and aggressive chemicals
• EPDM + PTFE: Enhanced corrosion resistance
• EPDM + PVDF + PTFE: High-performance applications

🔹 Actuator Options

• Single Acting
• Double Acting
• MOV (Motor Operated Valve)

Applications

The TRUE UNION DIAPHRAGM VALVE is widely used in:

• Chemical Processing
• Water & Wastewater Treatment
• Aquatics
• Surface Finishing & Metal Plating
• Oil & Gas
• Food & Beverage
• Water Parks & Municipal Pools

Advantages

• Easy maintenance and diaphragm replacement without disassembling the piping system
• Union design ensures smooth operation
• Excellent corrosion resistance and durability for chemical and sludge applications
• Flexible actuator installation
• Precise flow control with stable performance

Why Choose Phuc Minh?

Phuc Minh is a trusted supplier of industrial and plastic valves in Vietnam:

• Genuine products with full CO, CQ documentation
• Competitive pricing and strong project support
• Professional technical consulting
• Fast nationwide delivery

📞 Hotline: 0907450506 – 0902720814
📧 Email: info@pm-e.vn
🌐 Website: pm-e.vn