A44Y、A48Y 锅炉安全阀
产品简介
详细信息
锅炉安全阀按结构形式来分,要分为垂锤式、杠杆式、弹簧式和先导式(脉冲式);按阀体构造来分,可分为封闭式和不封闭式两种。封闭式安全阀即排除的介质不外泄,全部沿着出口排泄到地点,一般用在有毒和腐蚀性介质中。对于空气和蒸汽用安全阀,多采用不封闭式安全阀。对于安全阀产品的选用,应按实际密封压力来确定。对于弹簧式安全阀,在一种公称压力(PN)范围内,具有几种工作压力级的弹簧,订货时除注明安全阀型号、名称、介质和温度外,尚应注明阀体密封压力,否则按zui大密封压力供货。
锅炉安全阀主要零部件材料:
NO | 零件名称 | 材料 |
1 | 阀体 | WCB |
2 | 阀座 | ZG2Cr13 |
3 | 调节圈 | ZG2Cr13 |
4 | 阀瓣 | 2Cr13 |
5 | 导向套 | 2Cr13 |
6 | 阀盖 | ZG230-450 |
7 | 弹簧 | 50CrVA |
8 | 阀杆 | 2Cr13 |
9 | 扳手 | ZG200-400 |
10 | 调整螺杆 | 45 |
11 | 保护罩 | ZG200-400 |
| 密封面材料 | "H"堆焊D507,"Y"堆焊Co基硬质合金 |
锅炉安全阀主要连接尺寸
型号 | 公称通径 | do | D | K | g | g1 | b | f | f1 | Z-ød | f | L | L1 | H |
A48Y-16C A44Y-16C A44Y-16P A44Y-16R | 20 | 15 | 105 | 75 |
| 55 | 16 | 2 |
| 4-14 | 2 | 110 | 95 | 411 |
25 | 16 | 115 | 85 |
| 65 | 16 | 2 |
| 4-14 | 2 | 110 | 95 | 411 | |
32 | 20 | 140 | 100 |
| 78 | 18 | 2 |
| 4-18 | 3 | 115 | 100 | 411 | |
40 | 25 | 150 | 110 |
| 85 | 18 | 3 |
| 4-18 | 3 | 120 | 110 | 472 | |
50 | 32 | 165 | 125 |
| 100 | 20 | 3 |
| 4-18 | 3 | 135 | 120 | 532 | |
65 | 40 | 185 | 145 |
| 120 | 20 | 3 |
| 4-18 | 3 | 160 | 140 | 556 | |
80 | 50 | 200 | 160 |
| 135 | 20 | 3 |
| 8-18 | 3 | 170 | 135 | 561 | |
100 | 65 | 220 | 180 |
| 155 | 20 | 3 |
| 8-18 | 3 | 195 | 175 | 667 | |
125 | 80 | 250 | 210 |
| 185 | 22 | 3 |
| 8-18 | 3 | 210 | 190 | 857 | |
150 | 100 | 285 | 240 |
| 210 | 24 | 3 |
| 8-23 | 3 | 255 | 230 | 915 | |
200 | 125 | 340 | 295 |
| 265 | 26 | 3 |
| 12-23 | 3 | 300 | 260 | 1073 | |
250 | 150 | 405 | 355 |
| 320 | 30 | 3 |
| 12-26 | 4 | 350 | 320 | 1307 | |
300 | 220 | 460 | 410 |
| 375 | 30 | 4 |
| 12-26 | 4 | 370 | 350 | 1233 | |
350 | 250 | 520 | 470 |
| 435 | 34 | 4 |
| 16-26 | 4 | 500 | 450 | 1711 | |
400 | 280 | 580 | 525 |
| 485 | 36 | 4 |
| 16-30 | 4 | 500 | 450 | 1780 | |
A48Y-25 | 20 | 15 | 105 | 75 |
| 55 | 16 | 2 |
| 4-14 | 2 | 110 | 95 | 411 |
25 | 16 | 115 | 85 |
| 65 | 16 | 2 |
| 4-14 | 2 | 110 | 95 | 411 | |
32 | 20 | 140 | 100 |
| 78 | 18 | 2 |
| 4-18 | 3 | 115 | 100 | 411 | |
40 | 25 | 150 | 110 |
| 85 | 18 | 3 |
| 4-18 | 3 | 120 | 110 | 472 | |
50 | 32 | 165 | 125 |
| 100 | 20 | 3 |
| 4-18 | 3 | 135 | 120 | 532 | |
65 | 40 | 185 | 145 |
| 120 | 22 | 3 |
| 8-18 | 3 | 160 | 140 | 556 | |
80 | 50 | 200 | 160 |
| 135 | 22 | 3 |
| 8-18 | 3 | 170 | 135 | 561 | |
100 | 65 | 230 | 190 |
| 160 | 24 | 3 |
| 8-23 | 3 | 195 | 175 | 667 | |
125 | 80 | 270 | 220 |
| 188 | 28 | 3 |
| 8-26 | 3 | 210 | 190 | 857 | |
150 | 100 | 300 | 250 |
| 218 | 30 | 3 |
| 8-26 | 3 | 255 | 230 | 915 | |
200 | 125 | 360 | 310 |
| 278 | 34 | 3 |
| 12-26 | 3 | 300 | 260 | 1073 | |
250 | 150 | 425 | 370 |
| 332 | 36 | 3 |
| 12-30 | 4 | 350 | 320 | 1307 | |
300 | 220 | 485 | 430 |
| 390 | 40 | 4 |
| 16-30 | 4 | 370 | 350 | 1233 | |
350 | 250 | 555 | 490 |
| 448 | 44 | 4 |
| 16-34 | 4 | 500 | 450 | 1711 | |
400 | 280 | 620 | 550 |
| 505 | 48 | 4 |
| 16-36 | 4 | 500 | 450 | 1780 |