Introduction
Medium used: Water, oil, gas, etc
Working temperature：-20℃～350℃
Application field：Water treatment, petroleum, chemical industry, municipal construction, etc
Product Advantages:
1. The chemical composition and mechanical properties of the main material are fully in line with national standards
2. All welding is full welding to ensure sealing
3. The flange is produced by die forging, the crystal structure is fine, the strength is high, there will not be large or uneven grain, hardening crack phenomenon
Parameters
Parameter Information：
1. Executive standard：
| Name | Design and manufacture | Pressure Test | End Flange |
| Reference standard | GB/T 12777 | GB/T 12777 | GB/T 9113 ASME B16.5 |
| Name | 1-Flange | 2-Bellow | 3-Mesh sleeves |
| Material | 304 | 304 | 304 |
| SIZE（150LB） | |||||
| DN | NPS | L | ΦD | ΦD1 | n-Φd |
| 50 | 2'' | 300 | 150 | 120.5 | 4-18 |
| 65 | 2 1/2'' | 300 | 180 | 139.5 | 4-18 |
| 80 | 3'' | 300 | 190 | 152.5 | 4-18 |
| 100 | 4'' | 300 | 230 | 190.5 | 8-18 |
| 125 | 5'' | 300 | 255 | 216 | 8-22 |
| 150 | 6'' | 300 | 280 | 241.5 | 8-22 |
| 200 | 8'' | 300 | 345 | 298.5 | 8-22 |
| 250 | 10'' | 300 | 405 | 362 | 12-26 |
| 300 | 12'' | 300 | 485 | 432 | 12-26 |
