Introduction
1. The chemical composition and mechanical properties of the main material fully conforms to national standards.
2. all welding is full welding, to ensure the tightness
3. Flanges are produced by die forging, with fine crystal structure and high strength. There will be no large or uneven grains and hardening cracks
4. Install the limit rod to protect the stainless steel bellows.
Parameters
| SIZE（150LB） | |||||||
| DN | NPS | L | ΦD | ΦD1 | n-Φd | ||
| 50 | 2'' | 170 | 150 | 120.5 | 4-18 | ||
| 65 | 2 1/2'' | 180 | 180 | 139.5 | 4-18 | ||
| 80 | 3'' | 200 | 190 | 152.5 | 4-18 | ||
| 100 | 4'' | 220 | 230 | 190.5 | 8-18 | ||
| 125 | 5'' | 280 | 255 | 216 | 8-22 | ||
| 150 | 6'' | 280 | 280 | 241.5 | 8-22 | ||
| 200 | 8'' | 340 | 345 | 298.5 | 8-22 | ||
| 250 | 10'' | 400 | 405 | 362 | 12-26 | ||
| 300 | 12'' | 420 | 485 | 432 | 12-26 | ||
