PVC-U Features:
1. light weight, convenient loading and unloading
2. Good chemical resistance performance
3. Small fluid resistance
4. Big machine strength
5. No affecting water quality
6. Single construction

Specification （diameter mm）：20. 25. 32. 40. 50. 63. 75. 90. 110. 125. 140. 160. 180. 200. 250. 280. 315. 355. 400. 450. 500. 560. 630。