当前广泛地应用于城建、化工、冶金、石油、制药、食品、饮料、环保中。
衬里层：电火花检测
试验与检验按API598标准
公称压力：磅（Lb）
阀体：Lb×1.5
密封：Lb×1.1
| 公称通径 | 公称压力 | L mm | D mm/in | D1 mm/in | n-Φd in | F mm | |
|---|---|---|---|---|---|---|---|
| DN | NPS | ||||||
| 15 | 1/2 | 150 | 108/125 | 89/31/2 | 60.5/23/8 | 4-5/8 | 2 |
| 20 | 3/4 | 117/135 | 98/37/8 | 70/23/4 | 4-5/8 | 2 | |
| 25 | 1 | 127/145 | 108/41/4 | 79.5/31/8 | 4-5/8 | 2 | |
| 32 | 11/4 | 146/160 | 117/45/8 | 89/31/2 | 4-5/8 | 2 | |
| 40 | 11/2 | 159/180 | 127/5 | 98.5/37/8 | 4-5/8 | 2 | |
| 50 | 2 | 190/210 | 152/6 | 120.5/43/4 | 4-3/4 | 2 | |
| 65 | 21/2 | 216/250 | 178/7 | 139.5/51/2 | 4-3/4 | 2 | |
| 80 | 3 | 254/300 | 190/71/2 | 152.5/6 | 4-3/4 | 2 | |
| 100 | 4 | 305/350 | 229/9 | 1901.5/71/2 | 4-3/4 | 2 | |
| 125 | 5 | 356/400 | 254/10 | 216/81/2 | 8-7/8 | 2 | |
| 150 | 6 | 406/460 | 279/11 | 241.5/91/2 | 8-7/8 | 2 | |
| 200 | 8 | 521/570 | 343/131/2 | 298.5/113/4 | 8-7/8 | 2 | |
| 250 | 10 | 635/680 | 406/16 | 362/141/4 | 12-1 | 2 | |
| 300 | 12 | 749/790 | 483/19 | 432/17 | 12-1 | 2 | |
| 350 | 14 | 787/900 | 533/21 | 476/183/4 | 12-11/8 | 2 | |
| 400 | 16 | 914/1000 | 597/231/2 | 540/211/4 | 16-11/8 | 2 | |
| 公称通径 | 公称压力 | L mm | D mm/in | D1 mm/in | n-Φd in | F mm | |
|---|---|---|---|---|---|---|---|
| DN | NPS | ||||||
| 15 | 1/2 | 150 | 108/125 | 89/31/2 | 60.5/23/8 | 4-5/8 | 2 |
| 20 | 3/4 | 117/135 | 98/37/8 | 70/23/4 | 4-5/8 | 2 | |
| 25 | 1 | 127/145 | 108/41/4 | 79.5/31/8 | 4-5/8 | 2 | |
| 32 | 11/4 | 146/160 | 117/45/8 | 89/31/2 | 4-5/8 | 2 | |
| 40 | 11/2 | 159/180 | 127/5 | 98.5/37/8 | 4-5/8 | 2 | |
| 50 | 2 | 190/210 | 152/6 | 120.5/43/4 | 4-3/4 | 2 | |
| 65 | 21/2 | 216/250 | 178/7 | 139.5/51/2 | 4-3/4 | 2 | |
| 80 | 3 | 254/300 | 190/71/2 | 152.5/6 | 4-3/4 | 2 | |
| 100 | 4 | 305/350 | 229/9 | 1901.5/71/2 | 4-3/4 | 2 | |
| 125 | 5 | 356/400 | 254/10 | 216/81/2 | 8-7/8 | 2 | |
| 150 | 6 | 406/460 | 279/11 | 241.5/91/2 | 8-7/8 | 2 | |
| 200 | 8 | 521/570 | 343/131/2 | 298.5/113/4 | 8-7/8 | 2 | |
| 250 | 10 | 635/680 | 406/16 | 362/141/4 | 12-1 | 2 | |
| 300 | 12 | 749/790 | 483/19 | 432/17 | 12-1 | 2 | |
| 350 | 14 | 787/900 | 533/21 | 476/183/4 | 12-11/8 | 2 | |
| 400 | 16 | 914/1000 | 597/231/2 | 540/211/4 | 16-11/8 | 2 | |
