PVDF Diaphragm Valve Spigot
The PVDF Diaphragm Valve Spigot is a specialized valve designed for precise flow control and isolation in corrosive and demanding industrial environments. Constructed from high-grade Polyvinylidene Fluoride (PVDF), it offers exceptional chemical resistance, mechanical strength, and durability. The spigot end connection provides a smooth and secure fit into piping systems without the need for flanges or threads, simplifying installation in compact spaces. This diaphragm valve uses a flexible elastomeric diaphragm to regulate flow, ensuring leak-tight sealing and minimal contamination, making it ideal for applications in chemical processing, pharmaceuticals, water treatment, and semiconductor industries.
PVDF Diaphragm Valve Spigot
- Superior Chemical Resistance: PVDF body ensures excellent resistance to a wide range of aggressive chemicals and solvents.
- Spigot End Connection: Allows easy insertion into pipes with solvent welding or butt fusion, providing a secure and seamless joint.
- Diaphragm Sealing: Flexible diaphragm isolates the fluid from the valve’s mechanical parts, preventing contamination and leakage.
- Smooth Flow Control: Offers precise throttling capabilities with minimal pressure loss.
- Corrosion and Wear Resistant: Durable construction for extended service life in harsh environments.
- Compact Design: Ideal for installations with limited space due to its spigot connection and lightweight build.
- Wide Application Range: Suitable for chemical, pharmaceutical, water treatment, and semiconductor process lines.
- Low Maintenance: Simple design with easy diaphragm replacement reduces downtime.
Technical Details of PVDF Diaphragm Valve Spigot
| Specification | Details |
|---|---|
| Body Material | PVDF (Polyvinylidene Fluoride) |
| Diaphragm Material | EPDM, FKM (Viton), or PTFE lined elastomer |
| Connection Type | Spigot end (for solvent welding or fusion) |
| Pressure Rating | Up to 10 bar (varies with size and diaphragm) |
| Temperature Range | -10°C to +120°C |
| Sizes Available | DN15 to DN100 (½” to 4”) |
| Operation | Manual (handwheel or lever), Pneumatic (optional) |
| Flow Characteristic | Linear or equal percentage |
| Sealing Type | Diaphragm seal (leak-proof and contamination-free) |
| D | DN | PN | B1 | H | H2 | L |
|---|---|---|---|---|---|---|
| 20 | 15 | 10 | 25 | 124 | 80 | 16 |
| 25 | 20 | 10 | 30 | 144 | 80 | 19 |
| 32 | 25 | 10 | 33 | 154 | 80 | 22 |
| 40 | 32 | 10 | 30 | 174 | 80 | 26 |
| 50 | 40 | 10 | 35 | 194 | 120 | 31 |
| 63 | 50 | 10 | 46 | 224 | 120 | 38 |
| 75 | 65 | 10 | 46 | 284 | 120 | 44 |
| 90 | 80 | 10 | 55 | 300 | 200 | 51 |
| 110 | 100 | 10 | 69 | 340 | 250 | 61 |
DN: Diameter Nominal
PN: Pressure Nominal
D: Diameter
H: Overall Width/Length
H2: Handwheel/Actuator Diameter
B1: Lower Body Height
L: Face-to-Face Length

Customization & Processing Options
Customizations Option Available for PVDF Diaphragm Valve Spigot
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
