Product description of the China PTFE lined bellow
The China PTFE Lined Bellow is designed for corrosion-resistant piping systems handling aggressive chemical media.
Featuring a seamless PTFE lining, it provides excellent resistance to strong acids, alkalis, and solvents, while the flexible bellow structure effectively absorbs thermal expansion, vibration, and misalignment.
Manufactured with high-quality materials and strict quality control, it ensures reliable sealing performance and long service life. Widely used in chemical, pharmaceutical, and industrial process pipelines, it is an ideal solution for safe and durable fluid transfer.
Product parameter of the China PTFE lined bellow
| Nominal Diameter | Waves | L (mm) | PTFE thk(mm) | Diameter(mm) | Allowable compensation amount (±△X) (mm) | Operating pressure MPa | |
| DN(mm) | NPS(inch) | ||||||
| 40 | 1 1/2 | 3 | 95 | 1.8 | 43 | 6 | 1.0 |
| 50 | 2 | 3 | 100 | 1.8 | 52 | 8.5 | 1.0 |
| 65 | 2 1/2 | 3 | 110 | 1.8 | 72 | 10.5 | 1.0 |
| 80 | 3 | 3 | 120 | 1.8 | 84 | 11 | 1.0 |
| 100 | 4 | 3 | 130 | 1.8 | 104 | 11 | 1.0 |
| 125 | 5 | 3 | 150 | 1.8 | 130 | 15 | 1.0 |
| 150 | 6 | 3 | 160 | 1.8 | 156 | 17 | 1.0 |
| 200 | 8 | 3 | 190 | 2 | 215 | 17 | 1.0 |
| 250 | 10 | 3 | 200 | 2 | 269 | 21 | 1.0 |
| 300 | 12 | 3 | 220 | 2 | 320 | 21 | 1.0 |
| 350 | 14 | 3 | 260 | 2 | 373 | 23 | 1.0 |
| 400 | 16 | 3 | 280 | 2 | 422 | 24 | 1.0 |
FAQ
Q: What key parameters need to be provided during model selection?
A: To ensure accurate selection, please be sure to provide:
Medium PH value, working temperature, working pressure: including positive pressure and negative pressure (vacuum degree) values, flange (standard number, pressure level) or pipe sleeve type, compensation amount, pipe size: nominal diameter (DN).