A44Y、A48Y锅炉专用安全阀适用于工作温度≤350℃的蒸汽、空气等介质的设备或管路上。作为超压保护装置。
A44Y、A48Y锅炉专用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 |
1.6-4.0MPa锅炉专用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 A44Y-25C A44Y-25P A44Y-25R | 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 |