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A layer of polytetrafluoroethylene (PTFE) is laminated onto the inner wall of a regular rubber expansion joint, combining the elastic vibration damping of rubber with the strong corrosion resistance of PTFE. It is a special flexible connector for pipelines in strong acid and alkali environments, high temperatures, and high cleanliness environments.
1. Inner Liner (White): PTFE, in direct contact with the medium, resistant to strong acids and alkalis, temperature resistant, and non-adhesive.
2. Rubber Body (Black): Rubber, providing elasticity, displacement compensation, vibration damping, and noise reduction.
3. Metal Flange: Carbon steel/stainless steel
Corrosion Resistance: Resistant to acids and alkalis.
Flexible Compensation: Absorbs axial, radial, and angular displacements, reduces vibration and noise, and protects pumps, valves, and pipelines.
Reliable Sealing: Smooth inner lining prevents leakage, resists media erosion, and has a long service life.
1. Chemical Industry: Acid and alkali transportation, reaction vessels, electroplating, pickling lines
2. Environmental Protection: Power plant desulfurization, wastewater treatment, exhaust gas treatment
3. Others: High-temperature oil, organic solvents, seawater, salt spray pipelines
| Main connecting dimension | ||
| Nominal diameter | Face to face length | |
| mm | inch | mm |
| DN32 | 1 1/4 | 95 |
| DN40 | 1 1/2 | 95 |
| DN50 | 2 | 105 |
| DN65 | 2 1/2 | 115 |
| DN80 | 3 | 135 |
| DN100 | 4 | 150 |
| DN125 | 5 | 165 |
| DN150 | 6 | 180 |
| DN200 | 8 | 210 |
| DN250 | 10 | 230 |
| DN300 | 12 | 245 |
| DN350 | 14 | 255 |
| DN400 | 16 | 255 |
| DN450 | 18 | 255 |
| DN500 | 20 | 255 |
| DN600 | 24 | 260 |
| Datas above are only for reference, pls contact us for exact data! |
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