PVDF Diaphragm Valve

The PVDF diaphragm valve (Polyvinylidene Fluoride diaphragm valve) is a valve used for handling corrosive fluids and high-purity applications. Its exceptional resistance to corrosion, high-temperature tolerance, and chemical stability make it widely used across various industries. Here is an overview of its working principle and industry applications:
🔎Working Principle
The main components of a PVDF diaphragm valve include the valve body, diaphragm, valve cover, and actuator. The valve regulates fluid flow through a diaphragm. When the valve stem pushes the diaphragm down, it seals against the valve seat, blocking fluid passage. When the stem is released, the diaphragm returns to its original position, allowing fluid to pass. PVDF material resists many chemicals, maintaining excellent sealing performance in high-temperature, high-pressure, and corrosive environments, and effectively prevents fluid contact with metal components.

🔎Industry Applications

• 1. Chemical Industry: PVDF material is highly resistant to most acids, bases, oxidants, and solvents, making it ideal for corrosive chemical transport and control systems.
• 2. Semiconductor and Electronics Industries: Semiconductor manufacturing and electronics production require extremely high water and chemical purity. PVDF diaphragm valves are used in ultrapure water systems and chemical transport, ensuring contamination-free fluid handling.
• 3. Pharmaceutical and Food Industries: PVDF material complies with FDA standards, is easy to clean, and resists bacterial growth, making it suitable for sterile environments required in pharmaceutical and food processing.
• 4. Water Treatment: PVDF diaphragm valves are applied in industrial water treatment, wastewater recycling, and seawater desalination to control and handle fluids containing corrosive substances, ensuring long-term durability.

PVDF diaphragm valves have become essential fluid control equipment in these industries due to their superior chemical resistance, high-temperature tolerance, and contamination-free properties.

🌍SYGEF Plus 023 Diaphragm Valve with Butt Weld Ends, Metric

🔎Model:

• ■ Material: PVDF
• ■ Double the flow rate compared to previous products
• ■ Easy to disassemble and assemble
• ■ Smaller overall volume

🔎Options:

■ Individual valve configuration (see table)

■ Self-adjusting multifunctional module with integrated limit switches

• Accessories:
  SYGEF Plus, Union (Black FKM), SDR21/PN16

• 🔎 Material: PVDF ■ d75, d90 and d110 are trapezoidal threads
•         Note: For d75-110 size unions, please refer to the installation guide.