| Z83Y卡箍式油田闸阀外形及连接尺寸Main external and connecting dimensions 
| 公称压力PN(MPa) | 公称通径DN(mm) | 外形尺寸(mm) | | L | L1 | H | H1 | Dn | D1 | D | b | D0 | | 16 20 | 40 | 230 | 390 | 254 | 294 | 36 | 88.8 | 120 | 20 | 280 | | 50 | 230 | 400 | 312 | 364 | 45 | 88.8 | 120 | 20 | 300 | | 65 | 240 | 420 | 330 | 402 | 58 | 88.8 | 120 | 20 | 320 | | 80 | 270 | 470 | 41 1 | 495 | 72 | 107.8 | 140 | 20 | 350 | | 25 35 45 | 40 | 230 | 390 | 254 | 294 | 36 | 88.8 | 120 | 20 | 280 | | 50 | 240 | 400 | 312 | 364 | 45 | 88.8 | 120 | 20 | 300 | | 65 | 260 | 420 | 330 | 402 | 58 | 88.8 | 120 | 20 | 320 | | 80 | 280 | 470 | 41 1 | 495 | 72 | 107.8 | 140 | 20 | 360 |
| |
