PVDF Diaphragm Valve
The PVDF Diaphragm Valve is a precision-engineered, high-performance valve designed for controlling aggressive and high-purity fluid flows. Constructed from Polyvinylidene Fluoride (PVDF), this valve delivers exceptional resistance to corrosive chemicals, high temperatures, and UV exposure. It operates using a flexible diaphragm that isolates the working parts from the process media, ensuring zero contamination and high purity—making it ideal for the chemical, pharmaceutical, food & beverage, and semiconductor industries.
PVDF Diaphragm Valve
- Excellent Chemical Resistance: Withstands aggressive acids, alkalis, and solvents.
- Zero Contamination: True diaphragm design keeps media isolated from the actuator and internal components.
- High Purity Material: Manufactured using virgin-grade PVDF suitable for ultrapure and cleanroom applications.
- Precise Flow Control: Manual or actuated throttling capability for accurate regulation of flow.
- Thermal Stability: Performs reliably in a broad temperature range.
- Maintenance-Friendly Design: Easily serviceable diaphragm and valve body for reduced downtime.
- Smooth Flow Path: Minimizes pressure drop and turbulence, ideal for sensitive process flows.
- Multiple Actuation Options: Available with manual handwheel, pneumatic, or electric actuators.
Technical Details of PVDF Diaphragm Valve
| Parameter | Specification |
|---|---|
| Body Material | PVDF (Polyvinylidene Fluoride) |
| Seal Material | EPDM or FPM (Viton) |
| Size Range | ½” to 2” (DN15 to DN50) |
| Connection Types | Threaded or Flanged (DIN/ANSI) |
| Pressure Rating | Up to PN10 / 150 PSI |
| Temperature Range | -10°C to +120°C |
| Function | Automatic air release during filling and operation |
| Installation Position | Vertical (mounted at high points) |
| Standards | DIN, ANSI, ISO |
| d | DN | Seal Type | PN | B1 | E | H | H1 | Z |
|---|---|---|---|---|---|---|---|---|
| 20 | 15 | FKM/PTFE | 10 | 25 | 41 | 128 | 80 | 101 |
| 25 | 20 | FKM/PTFE | 10 | 30 | 50 | 150 | 80 | 119 |
| 32 | 25 | FKM/PTFE | 10 | 33 | 58 | 163 | 80 | 127 |
| 40 | 32 | FKM/PTFE | 10 | 30 | 72 | 184 | 80 | 145 |
| 50 | 40 | FKM/PTFE | 10 | 35 | 79 | 210 | 120 | 165 |
| 63 | 50 | FKM/PTFE | 10 | 46 | 98 | 248 | 120 | 195 |
d – Outer Diameter of Pipe Connection
DN – Nominal Diameter
Seal Type – Type of Internal Seal (FKM/PTFE)
PN – Nominal Pressure Rating
B1 – Socket Depth / Insertion Depth
E – End-to-End Length of Valve Connection
H – Overall Height
H1 – Handwheel Width / Top Width
Z – Installation Length / Center-to-End Dimension

Customization & Processing Options
Customizations Option Available for PVDF Diaphragm Valve
At Petron Thermoplast, we offer customized PVDF fittings to meet your specific system requirements.
Customization options include:
- Tailor-made dimensions and wall thicknesses
- Custom-molded and machined PVDF fittings
- Pre-fabricated manifolds and assemblies
- Choice of connection type (butt fusion, socket fusion, or flanged)
- OEM branding or marking options
