HDPE Backing Ring Flange
A HDPE Backing Ring is a pipe fitting made of high-density polyethylene (HDPE) used to provide support and reinforcement to HDPE flanges, especially during bolting and connection to other piping components. It ensures a tight, leak-proof joint by distributing the load evenly across the flange and preventing deformation of the HDPE material. HDPE backing rings are lightweight, corrosion-resistant, durable, and commonly used in sewage, and industrial piping systems. They are typically used in combination with HDPE flanges for secure and long-lasting pipeline connections.
HDPE Backing Ring Flange
- Durable Material: Made from high-density polyethylene (HDPE) providing strength, corrosion resistance, and long service life.
- Flange Support: Provides reinforcement to HDPE flanges, preventing deformation during bolting.
- Leak-Proof Connection: Ensures even load distribution for a secure and tight joint.
- Lightweight: Easier to handle, transport, and install compared to metal backing rings.
- Chemical Resistance: Suitable for a wide range of industrial and chemical applications.
- Versatile Applications: Used in water supply, sewage, irrigation, and industrial piping systems.
- Maintenance-Friendly: Enhances durability of flange connections and reduces risk of leaks.
- Cost-Effective: Long-lasting solution requiring minimal maintenance.
Technical Details of HDPE Backing Ring Flange
| Specification | Specification |
|---|---|
| Product Type | HDPE Backing Ring Flange |
| Size Range | (OD): 20 mm to 400mm |
| SDR | SDR11, SDR21, SDR33 and SDR17 |
| Pressure Rating | PN 6,PN 10,PN 16, PN 20 |
| Temperature Range | –40°C to +60°C |
| Color | Black |
| Density | 0.941 – 0.965 g/cm³ |
| Tensile Strength | ≥ 20 MPa |
| Welding Compatibility | Butt Fusion / Socket Fusion |
| Chemical Resistance | Excellent against acids, alkalis, and salts. |
| Applications | Gas distribution , Sewage treatment, Industrial fluid handling, Mining & slurry transportation and Firefighting networks |
| DN/de | bar | d₁ | D | k | b | d | n |
|---|---|---|---|---|---|---|---|
| 20/½" | 16 | 28 | 95 | 60.5 | 12 | 16 | 4 |
| 25/¾" | 16 | 34 | 102 | 69.9 | 12 | 16 | 4 |
| 32/1" | 16 | 42 | 114 | 79.3 | 16 | 16 | 4 |
| 40/1¼" | 16 | 51 | 130 | 88.9 | 16 | 16 | 4 |
| 50/1½" | 16 | 62 | 133 | 98.6 | 18 | 16 | 4 |
| 63/2" | 16 | 78 | 162 | 120.6 | 18 | 20 | 4 |
| 75/2½" | 16 | 92 | 184 | 139.7 | 18 | 20 | 4 |
| 90/3" | 16 | 111 | 194 | 152.4 | 18 | 20 | 4 |
| 110/4" | 16 | 133 | 229 | 190.5 | 18 | 20 | 8 |
| 160/6" | 16 | 178 | 283 | 241.3 | 24 | 22 | 8 |
| 200/8" | 16 | 236 | 345 | 298.5 | 24 | 22 | 8 |
| 250/10" | 16 | 288 | 412 | 361.9 | 27 | 25 | 12 |
| 315/12" | 16 | 338 | 487 | 431.8 | 32 | 25 | 12 |
| 355/14" | 16 | 376 | 533 | 476.2 | 42 | 28.5 | 12 |
| 400/16" | 16 | 430 | 596 | 539.7 | 44 | 28.5 | 16 |
-
DN/de → Nominal Diameter (DN) / Outside Diameter (de)
-
bar → Pressure Rating (in bar)
-
d₁ → Pipe Outside Diameter (mm)
-
D → Flange Outside Diameter (mm)
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k → Pitch Circle Diameter (PCD) (mm)
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b → Flange Thickness (mm)
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d → Bolt Hole Diameter (mm)
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n → Number of Bolt Holes
Customization & Processing Options
Customizations Option Available for HDPE Backing Ring 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
