供应A48Y-16P安全阀、A48Y-16P蒸汽安全阀、A48Y-16P弹簧式安全阀、A48Y-16P弹簧全启式安全阀,A48Y-25P安全阀,A48Y-40P安全阀.安全阀结构主要有两大类:弹簧式和杠杆式。弹簧式是指阀瓣与阀座的密封靠弹簧的作用力。杠杆式是靠杠杆和重锤的作用力。随着大容量的需要,又有一种脉冲式安全阀,也称为先导式安全阀,由主安全阀和辅助阀组成。当管道内介质压力超过规定压力值时,辅助阀先开启,介质沿着导管进入主安全阀,并将主安全阀打开,使增高的介质压力降低。
型号:铸钢:A48Y-16C、A48Y-25、A48Y-40、A48Y-64、A48Y-100、A48Y-160、A48Y-320
不锈钢:A48Y-16P、A48Y-25P、A48Y-40P、A48Y-64P、A48Y-100P、A48Y-160P、A48Y-320P
型号 | 公称通径 | do | D | K | g | g1 | b | f | f1 | Z-ød | DN | D1 | K1 | g3 | g2 | b1 | f | f1 | Z1-ød1 | L | L1 | ≈H |
A48Y-16C | 20 | 15 | 105 | 75 |
| 55 | 16 | 2 |
| 4-14 | 25 | 115 | 85 |
| 65 | 16 | 2 |
| 4-14 | 110 | 95 | 411 |
25 | 16 | 115 | 85 |
| 65 | 16 | 2 |
| 4-14 | 32 | 140 | 100 |
| 78 | 18 | 2 |
| 4-18 | 110 | 95 | 411 |
|
32 | 20 | 140 | 100 |
| 78 | 18 | 2 |
| 4-18 | 40 | 150 | 110 |
| 85 | 18 | 3 |
| 4-18 | 115 | 100 | 411 |
|
40 | 25 | 150 | 110 |
| 85 | 18 | 3 |
| 4-18 | 50 | 165 | 125 |
| 100 | 20 | 3 |
| 4-18 | 120 | 110 | 472 |
|
50 | 32 | 165 | 125 |
| 100 | 20 | 3 |
| 4-18 | 65 | 185 | 145 |
| 120 | 20 | 3 |
| 4-18 | 135 | 120 | 532 |
|
65 | 40 | 185 | 145 |
| 120 | 20 | 3 |
| 4-18 | 80 | 200 | 160 |
| 135 | 20 | 3 |
| 8-18 | 160 | 140 | 556 |
|
80 | 50 | 200 | 160 |
| 135 | 20 | 3 |
| 8-18 | 100 | 220 | 180 |
| 155 | 22 | 3 |
| 8-18 | 170 | 135 | 561 |
|
100 | 65 | 220 | 180 |
| 155 | 20 | 3 |
| 8-18 | 125 | 250 | 210 |
| 185 | 22 | 3 |
| 8-18 | 195 | 175 | 667 |
|
125 | 80 | 250 | 210 |
| 185 | 22 | 3 |
| 8-18 | 150 | 285 | 240 |
| 210 | 24 | 3 |
| 8-23 | 210 | 190 | 857 |
|
150 | 100 | 285 | 240 |
| 210 | 24 | 3 |
| 8-23 | 175 | 310 | 270 |
| 240 | 26 | 3 |
| 8-23 | 255 | 230 | 915 |
|
200 | 125 | 340 | 295 |
| 265 | 26 | 3 |
| 12-23 | 250 | 405 | 355 |
| 320 | 30 | 3 |
| 12-26 | 300 | 260 | 1073 |
|
250 | 150 | 405 | 355 |
| 320 | 30 | 3 |
| 12-26 | 300 | 460 | 410 |
| 375 | 30 | 4 |
| 12-26 | 350 | 320 | 1307 |
|
300 | 220 | 460 | 410 |
| 375 | 30 | 4 |
| 12-26 | 400 | 580 | 525 |
| 485 | 36 | 4 |
| 16-30 | 370 | 350 | 1233 |
|
350 | 250 | 520 | 470 |
| 435 | 34 | 4 |
| 16-26 | 500 | 715 | 650 |
| 608 | 44 | 4 |
| 20-34 | 500 | 450 | 1711 |
|
400 | 280 | 580 | 525 |
| 485 | 36 | 4 |
| 16-30 | 500 | 715 | 650 |
| 608 | 44 | 4 |
| 20-34 | 500 | 450 | 1780 |
|