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A44Y-16/25/40/64/100C带扳手全启式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-16/25/40/64/100C带扳手全启式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 |
A44Y-16/25/40/64/100C带扳手全启式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 |
