PPH Blind Flange
The PPH Blind Flange is a solid disc-shaped flange used to close the end of a piping system or pressure vessel. Made from Polypropylene Homopolymer (PPH), it is engineered for use in corrosive and high-temperature environments. This type of flange is ideal for systems requiring periodic inspection, modification, or expansion while ensuring a tight and secure closure.
Designed for industrial fluid handling systems in sectors such as chemical processing, desalination, and wastewater treatment in the UAE, the PPH Blind Flange provides leak-free performance, excellent chemical resistance, and ease of installation and removal.
PPH Blind Flange
- Leak-Proof Closure: Effectively seals off pipe ends in high-pressure and corrosive systems.
- Excellent Chemical Resistance: Withstands exposure to aggressive acids, alkalis, and industrial chemicals.
- High Temperature Endurance: Suitable for continuous operation at temperatures up to 100°C.
- Corrosion-Free Material: Will not rust, scale, or degrade in chemically harsh or saline environments.
- Reusable & Easy Maintenance: Can be unbolted and reused for inspection or line extension.
- Lightweight & Durable: Easier handling and long service life compared to metal equivalents.
- UV-Stabilized Option: Suitable for outdoor piping systems exposed to sunlight.
- Compatible with Standard Flanges: Designed to fit with matching PPH, metal, or composite backing flanges.
Technical Details of PPH Blind Flange
| Specification | Details |
|---|---|
| Product Type | PPH Blind Flange |
| Material | Polypropylene Homopolymer (PPH) |
| Connection Type | Bolted to backing flange (DIN / ISO standard) |
| Standard Sizes | DN15 to DN315 (½" to 12"+) |
| Pressure Rating | PN10 / PN16 (size-dependent) |
| Operating Temperature | 0°C to +100°C (short-term up to 110°C) |
| Color | Light Grey |
| Density | ~0.91 g/cm³ |
| Tensile Strength | ≥25 MPa |
| Chemical Resistance | Excellent – handles acidic, alkaline, and saline substances |
| UV Resistance | Available (for outdoor installations in UAE climate) |
| Standards Compliance | DIN 8077/8078, ISO 161, ISO 7005 |
| Common Applications | Chemical plants, marine systems, desalination units, tank outlets, water treatment pipelines, and industrial fluid handling systems |
| d | DN | PMA | b | k | d₂ | D | n |
|---|---|---|---|---|---|---|---|
| 20 | 15 | 16 | 12 | 65 | 14 | 95 | 4 |
| 25 | 20 | 16 | 12 | 75 | 14 | 105 | 4 |
| 32 | 25 | 16 | 16 | 85 | 14 | 115 | 4 |
| 40 | 32 | 16 | 16 | 100 | 18 | 140 | 4 |
| 50 | 40 | 16 | 16 | 110 | 18 | 150 | 4 |
| 63 | 50 | 16 | 16 | 125 | 18 | 165 | 4 |
| 75 | 65 | 16 | 18 | 145 | 18 | 185 | 4 |
| 90 | 80 | 16 | 18 | 160 | 18 | 200 | 8 |
| 110 | 100 | 16 | 20 | 180 | 18 | 220 | 8 |
| 125 | 100 | 16 | 20 | 180 | 18 | 220 | 8 |
| 140 | 125 | 16 | 24 | 210 | 18 | 250 | 8 |
| 160 | 150 | 16 | 24 | 240 | 22 | 285 | 8 |
| 180 | 150 | 16 | 24 | 240 | 22 | 285 | 8 |
| 200 | 200 | 16 | 24 | 295 | 22 | 340 | 8 |
| 225 | 200 | 16 | 24 | 295 | 22 | 340 | 8 |
| 250 | 250 | 10 | 30 | 350 | 22 | 409 | 12 |
| 280 | 250 | 10 | 30 | 350 | 22 | 409 | 12 |
| 315 | 300 | 10 | 34 | 400 | 22 | 463 | 12 |
- d – Outside Diameter (mm)
- DN – Nominal Diameter (mm)
- PMA – Permissible Maximum Pressure (bar)
- b – Thickness of Flange Ring (mm)
- k – Pitch Circle Diameter (PCD) (mm)
- d₂ –Bolt Hole Diameter (mm)
- D – Outer Diameter of Flange (mm)
- n – Number of Bolt Holes
Customization & Processing Options
Customizations Option Available for PPH Blind 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
