PP Backing Rings
PP Backing Rings are precision-engineered support rings used in conjunction with stub end flanges to provide a secure and stable bolted flange connection in piping systems. Manufactured from high-grade polypropylene (PP), these rings offer excellent resistance to chemical corrosion and physical wear, making them ideal for industrial fluid handling applications. They are commonly used in thermoplastic pipeline systems where reliability, low weight, and chemical resistance are essential.
Key Features of PP Backing Rings
- Corrosion Resistant Material: Made from chemically inert polypropylene for long-lasting performance.
- Lightweight and Strong: Easy to handle during installation without compromising structural strength.
- Perfect Flange Alignment: Ensures proper flange face-to-face contact and bolt hole alignment.
- Cost-Effective Alternative: More economical and lighter than metallic backing rings.
- Compatible with Stub Ends: Designed to work seamlessly with PP stub end flanges.
- Non-Toxic and Safe: Suitable for potable water and food-grade applications.
Technical Information
| Parameter | Details |
|---|---|
|
Product Name |
PP Backing Ring |
|
Material |
Polypropylene (PP) |
|
Sizes Available |
20 mm to 400 mm (½” to 16”) |
|
Standard Compatibility |
DIN, ISO, ANSI, and BS flange dimensions |
|
Working Pressure |
Up to PN 10 (10 bar) |
|
Temperature Range |
-5°C to +90°C |
|
Color |
Black / Grey |
|
Design Use |
Used with PP stub ends to form flanged joints in piping systems |
|
Applications |
Chemical processing, water treatment, irrigation systems, and industrial piping lines |
|
Resistance Properties |
Excellent resistance to acids, bases, salts, and many organic solvents |
|
Installation |
Positioned behind the stub end and secured with bolts to a mating flange |
PP Pipe Fittings
Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.
