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Pneumatic PPH Socket Diaphragm Valve
Pneumatic PPH Socket Diaphragm Valve
Hearken Pneumatic PPH Socket Diaphragm Valve is engineered for exceptional durability and process integrity in permanent piping installations. This valve combines the advanced chemical stability of a PPH body with the absolute reliability of socket fusion connections. By creating a monolithic, welded joint, it eliminates potential leak paths associated with mechanical fittings. At its core, an elastic diaphragm isolates the fluid from all mechanical parts, ensuring contamination-free operation and protecting the actuator. This design provides a robust, long-term solution for automated flow control in the most demanding industrial environments.
Description
The pneumatic diaphragm valve has the advantages of small negative force, large flow, no leakage, convenience, and reliability. fireproof and explosion-proof, and it is widely used in strong acid, strong alkali, strong corrosion, and high viscosity in industrial automation systems, with the use of corrosion-resistant valves and corrosion-resistant diaphragm. non-packing structure, and throttle element for elastic d diaphragm and smooth flow channel, The flow regulation of media containing spikelets, fibers, and toxic and non-polluting media.
Features & Benefits
- Permanent, Leak-Proof Installation: Equipped with socket ends for thermal fusion welding, this valve becomes an integral part of the pipeline. This creates a homogeneous, exceptionally strong, and permanently leak-proof seal, ideal for systems where long-term reliability is non-negotiable.
- Superior Material Toughness: The PPH body offers excellent resistance to a wide array of acids, alkalis, and solvents, but it particularly excels in its high impact strength and stiffness. This makes it a structurally superior choice for systems that may experience mechanical stress or pressure fluctuations.
- Unimpeded Flow Dynamics: The valve features an open, streamlined flow channel that minimizes turbulence and pressure drop. This design is highly effective at ensuring the smooth passage of challenging media, including high-viscosity liquids, slurries with particulates, and fluids containing fibrous material.
- Intrinsic Safety for Automated Control: Operated by compressed air, the pneumatic actuator is inherently safe for use in hazardous or explosion-prone areas. It provides reliable and responsive automation without introducing an ignition source, ensuring compliance and safety in sensitive facilities.
Main Materials
| No. | Part Name | Material |
|---|---|---|
| 1 | Body | PPH |
| 2 | Diaphragm | F46 |
| 2a | Diaphragm Cushion* | EPDM |
| 3 | Disc | GG40 |
| 4 | Cover | PPH |
| 5 | Stem | 2Cr13 |
| 6 | Stem Nut | HPb59-1 |
| 7 | Cylinder | Aluminium alloy |
| 8 | Cap | Ht250 |
Shape Control Table

| NPS (in) | DN (mm) | PN (MPa) | L (mm) | D1 (mm) | A (mm) | H1 (mm) | W (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 |





















