PVDF Flange
The PVDF Flange is a robust, corrosion-resistant pipe fitting designed to provide a secure and leak-proof method for connecting sections of PVDF piping systems. Constructed from Polyvinylidene Fluoride (PVDF), this flange offers outstanding chemical resistance and mechanical durability, making it ideal for high-purity and aggressive chemical applications. PVDF flanges are widely used in industries such as chemical processing, pharmaceuticals, semiconductors, and water treatment where reliable, long-lasting connections are essential.
PVDF Flange
- Excellent Chemical Resistance: Withstands corrosive fluids including acids, alkalis, and solvents.
- High-Purity Construction: Made from virgin PVDF, suitable for ultrapure and cleanroom applications.
- Thermal and Mechanical Stability: Maintains performance in high-pressure and high-temperature conditions.
- Corrosion and UV Resistant: Suitable for both indoor and outdoor installations.
- Standard Compatibility: Designed according to industry flange standards (DIN, ANSI, etc.) for easy integration.
- Durable and Long-Lasting: Engineered for minimal maintenance and extended service life.
Technical Details of PVDF Flange
| Specification | Details |
|---|---|
| Material | Virgin PVDF (Polyvinylidene Fluoride) |
| Size Range | 1/2″ to 12″ (DN15 to DN300) |
| Flange Types Available | Blind, Stub, Slip-on, Lap joint |
| Connection Standard | ANSI, DIN, JIS (custom options available) |
| Pressure Rating | Up to 16 bar (232 PSI) |
| Temperature Range | -20°C to +120°C |
| Color | Natural white / translucent |
| Compliance Standards | ASTM D3222, ISO 10931, DIN 8077/8078 |
| Certifications | RoHS, REACH, FDA, USP Class VI (on request) |
| d | DN | b | K | D2 | D6 | M | N |
|---|---|---|---|---|---|---|---|
| 20 | 15 | 12 | 65 | 14 | 28 | M12 | 4 |
| 25 | 20 | 14 | 75 | 14 | 34 | M12 | 4 |
| 32 | 25 | 14 | 85 | 14 | 42 | M12 | 4 |
| 40 | 32 | 16 | 100 | 18 | 51 | M16 | 4 |
| 50 | 40 | 16 | 110 | 18 | 62 | M16 | 4 |
| 63 | 50 | 19 | 125 | 18 | 78 | M16 | 4 |
| 75 | 65 | 19 | 145 | 18 | 92 | M16 | 4 |
| 90 | 80 | 21 | 160 | 18 | 109 | M16 | 8 |
| 110 | 100 | 22 | 180 | 18 | 128 | M16 | 8 |
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d – Pipe Inner Diameter or Bore
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DN – Nominal Diameter (standard pipe size, in mm)
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b – Flange Thickness
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K – Pitch Circle Diameter (PCD) – distance between bolt centers
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D2 – Bolt Hole Diameter (often same as d₂ in diagrams)
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D6 – Raised Face Diameter or Center Hole Diameter
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M – Number of Bolt Holes
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N – Bolt Size / Diameter

Customization & Processing Options
Customizations Option Available for PVDF Flange
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
