PP-Coated Steel Flange is a special flange design, where “PP” refers to polypropylene, a commonly used thermoplastic with good corrosion resistance and durability. PP-Coated Steel Flange combines the strength of steel with the corrosion resistance of PP and is often used in industrial and construction applications where corrosion resistance is required. The use of this flange can extend the service life of the equipment, especially when dealing with corrosive fluids or chemicals, providing additional protection.
JUNRUI can provide a range of backing rings for mechanical connections in galvanised steel, stainless steel, ductile iron and polypropylene coated steel. There always using for the plastic piping system in Chemical, mining, water, petrol, etc. Systerm.
We also can provide PP reinforced, full plastic flange backing rings, and PP coated steel backing together with full range for plastic stub ends in EN, ISO, USA standard etc.
1. Corrosion resistance: PP material has strong acid and alkali resistance, which enables it to be used for a long time in various corrosive media without being affected by corrosion or dissolution. This is especially important for piping systems that need to work in corrosive environments.
2. High temperature resistance: PP material also has high temperature resistance, can maintain good durability in high temperature environments, and is not easy to deform or melt. Therefore, this flange can also maintain stable performance under high temperature conditions.
3. Lightweight and strong: Although the main body of PP-Coated Steel Flange is made of steel, the lightweight characteristics of PP coating make the overall weight relatively light, which is easy to carry and install. At the same time, the steel body ensures its good pressure and impact resistance, and can withstand a certain degree of physical shock and pressure load.
4. Clean and hygienic: PP material has a smooth surface and does not absorb pollutants, which makes it easy to clean and maintain hygiene, and is suitable for industries with high hygiene requirements, such as food, pharmaceuticals, etc.
5. Long life and stability: PP-Coated Steel Flange combines the corrosion resistance and high-temperature resistance of PP material with the sturdiness of steel material, so it has a long service life, is not easily affected by factors such as oxidation, corrosion, and aging, and can maintain stable performance for a long time.
6. Good sealing performance: This flange is usually equipped with sealing elements such as rubber gaskets or washers, which can provide good sealing effect, prevent medium leakage, and ensure the safe operation of the pipeline system.
7. Easy to install: It has a standard size and connection method and is easy to use with other pipe connectors, making it easy to install and disassemble.
SIZE | DN | K | n | D | B | d | h |
1/2″ | 20 | 60 | 4 | 98 | 32 | 16 | 14 |
3/4″ | 25 | 70 | 4 | 108 | 37 | 16 | 14 |
1″ | 32 | 79 | 4 | 120 | 44 | 16 | 14 |
11/4″ | 40 | 89 | 4 | 140 | 52 | 16 | 16 |
11/2″ | 50 | 98 | 4 | 150 | 63 | 16 | 16 |
2″ | 63 | 121 | 4 | 165 | 78 | 20 | 20 |
21/2″ | 75 | 140 | 4 | 185 | 92 | 20 | 20 |
3″ | 90 | 152 | 4 | 200 | 108 | 20 | 22 |
4″ | 110 | 191 | 8 | 230 | 128 | 20 | 22 |
[4″] | 125B | 191 | 8 | 230 | 140 | 20 | 22 |
5″ | 125 | 216 | 8 | 260 | 140 | 23 | 24 |
[5″] | 140 | 216 | 8 | 260 | 158 | 23 | 24 |
6″ | 160 | 241 | 8 | 286 | 178 | 23 | 26 |
[6″] | 180 | 241 | 8 | 286 | 195 | 23 | 26 |
8″ | 200 | 298 | 8 | 345 | 235 | 23 | 28 |
[8″] | 225 | 298 | 8 | 345 | 240 | 23 | 28 |
10″ | 250 | 362 | 12 | 410 | 288 | 26 | 30 |
[10″] | 280 | 362 | 12 | 410 | 294 | 26 | 30 |
12″ | 315 | 432 | 12 | 485 | 345 | 26 | 35 |
14″ | 355 | 476 | 12 | 535 | 376 | 30 | 40 |
16″ | 400 | 540 | 16 | 600 | 430 | 30 | 40 |
18″ | 450 | 578 | 16 | 640 | 470 | 32 | 45 |
20″ | 500 | 635 | 20 | 700 | 533 | 32 | 45 |
22″ | 560 | 692 | 20 | 760 | 590 | 35 | 50 |
24″ | 630 | 749 | 20 | 820 | 645 | 35 | 50 |