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Pneumatic PVDF Socket Diaphragm Valve
Pneumatic PVDF Socket Diaphragm Valve
Pneumatic PVDF Diaphragm Valve is designed specifically for industrial automation, this valve combines a robust PVDF body with a high-performance elastic diaphragm. It eliminates the need for a traditional stuffing box, creating a fully sealed environment that handles aggressive chemicals and impurities with ease. Whether you are managing strong acids or viscous slurries, this valve delivers high flow rates with zero leakage.
Description
The diaphragm and the valve body with corrosion resistant lining and corrosion stuffing structure, the oiling element for the elastic diaphragm and the valve body flow smoothly, 50 the pneumatic diaphragm valve has a negative film force is small, large flow, no leakage. fire and explosion prevention and convenient and reliable advantages. widely used in industrial automation systems in strong acid, alkali, and strong corrosion. high viscosity. containing grains, fiber, and toxic and not allowing pollution of medium flow regulation.
Key Features & Benefits
Superior Corrosion Resistance: The PVDF body and chemically resistant diaphragm withstand strong acids, alkalis, and toxic media, ensuring a long service life.
Leak-Free Design: By removing the packing gland (stuffing box), we have eliminated the most common leak point. This makes the valve safe for fire-prone or hazardous environments.
High Flow, Low Resistance: The smooth, streamlined internal flow path minimizes friction loss, allowing for higher flow rates compared to standard valves.
Versatile Handling: The elastic diaphragm allows the valve to easily manage difficult media, including high-viscosity fluids, liquids with particles, and fibrous slurries.
Easy Installation: The socket-end design ensures a secure fit and quick integration into your existing piping system.
Main Materials
| NO. | Part Name | Material |
| 1 | Body | PVDF |
| 2 | Diaphragm | F46 (FEP) |
| 2a | Cushion / Backing* | EPDM |
| 3 | Disc / Compressor | PVDF |
| 4 | Bonnet / Cover | PVDF |
| 5 | Stem | 2Cr13 (Stainless Steel) |
| 6 | Stem Nut | HPb59-1 (Brass) |
| 7 | Cylinder (Actuator) | Aluminum Alloy |
| 8 | Cap / Lock Nut | 304 (Stainless Steel) |
Dimension Specifications

| NPS (in) | DN (mm) | Pressure (PN/MPa) | L (mm) | D1 (mm) | A (mm) | H1 (mm) | Weight (kg) |
| 1/2 | 15 | 0.6 | 196 | 20 | 110 | 195 | 2 |
| 3/4 | 20 | 0.6 | 221 | 25 | 110 | 200 | 2.3 |
| 1 | 25 | 0.6 | 234 | 32 | 110 | 210 | 2.5 |
| 1-1/4 | 32 | 0.6 | 255 | 40 | 140 | 228 | 3 |
| 1-1/2 | 40 | 0.6 | 284 | 50 | 140 | 240 | 5 |
| 2 | 50 | 0.6 | 321 | 63 | 170 | 290 | 8 |
Applications
Ideal for industries requiring strict flow control and high purity, including:
Chemical Processing: Handling sulfuric acid, caustic soda, and solvents.
Water Treatment: Dosing and sludge management.
Semiconductor & Electronics: Ultra-pure water and etching fluids.
General Industry: Glues, slurries, and fluids containing fibers or particles.





















