A41Y-160/320型弹簧微启封闭式高压安全阀适用于工作温度≤200℃的空气、氮氢混合气、水等介质的设备和管路上。A41Y-160P/R、A41Y-320P/R型适用于工作温度≤200℃有腐蚀性气体的设备和管路上，作为超压保护装置。
连接法兰按JB/T2769-92的标准。
弹簧微启封闭式高压安全阀主要零部件材料
| NO. | 零件名称 | A41Y-160材料 | A41Y-160P材料 | A41Y-160R材料 |
| 1 | 法兰flange | 35/35CrMoA | 2Cr13 | 1Cr18Ni9Ti |
| 2 | 阀座 nozzle | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 3 | 阀体 body | 35/40 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 4 | 阀瓣 disc | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 5 | 导向套 guide sleeve | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 6 | 弹簧 spring | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 |
| 7 | 阀杆 stem | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 8 | 阀盖 bonnet | ZG230-450 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 9 | 调整螺杆 adjusting bolt | 45 | 2Cr13 | 2Cr13 |
| 10 | 阀帽 cap | ZG200-400 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| | 阀座、阀瓣密封面 | 堆焊Co基硬质合金 |
弹簧微启封闭式高压安全阀主要外形及连接尺寸
| 型号 | 公称 通径 | do | d | M | D | K | Z-ød | b | d1 | M1 | D1 | K1 | Z1-ød1 | b1 | L | L1 | ≈H |
| A41Y-160 (单法兰) | 15 | 8 | 20 | M24×2 | 95 | 60 | 3-18 | 20 | / | M33×2 | 36 | / | / | / | 50 | 80 | 85 |
| 20 | 10 | 25 | M27×2 | 95 | 60 | 3-18 | 20 | / | M33×2 | 48 | / | / | / | 50 | 80 | 85 |
| 25 | 12 | 28 | M33×2 | 105 | 68 | 3-18 | 20 | / | M33×2 | 48 | / | / | / | 50 | 80 | 85 |
| A41Y-160 | 10 | 8 | 18 | M24×2 | 95 | 60 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 |
| 15 | 8 | 20 | M24×2 | 95 | 60 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 |
| 20 | 10 | 27 | M33×2 | 105 | 68 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 |
| 25 | 12 | 28 | M33×2 | 105 | 68 | 3-18 | 20 | 50 | M64×3 | 165 | 115 | 6-26 | 32 | 130 | 135 | 285 |
| 32 | 12.14.16 | 37 | M42×2 | 115 | 80 | 4-18 | 22 | 50 | M64×3 | 165 | 115 | 6-26 | 32 | 130 | 135 | 285 |
| 40 | 20 | 47 | M52×2 | 165 | 115 | 6-26 | 28 | 65 | M80×3 | 200 | 145 | 6-29 | 40 | 165 | 165 | 350 |
| 50 | 25 | 58 | M64×3 | 165 | 115 | 6-26 | 32 | 80 | M100×3 | 225 | 170 | 6-33 | 80 | 165 | 165 | 380 |
| A41Y-320 | 10 | 8 | 18 | M24×2 | 95 | 60 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 |
| 15 | 8 | 27 | M33×2 | 105 | 68 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 |
| 20 | 10 | 30 | M36×2 | 110 | 75 | 3-18 | 20 | 29 | M42×2 | 115 | 80 | 4-18 | 22 | 95 | 100 | 261 |
| 25 | 12 | 35 | M42×2 | 115 | 80 | 4-18 | 22 | 50 | M64×3 | 165 | 115 | 6-26 | 32 | 130 | 135 | 285 |
| 32 | 12.14.16 | 41 | M48×2 | 135 | 95 | 4-22 | 25 | 50 | M64×3 | 165 | 115 | 6-26 | 32 | 130 | 135 | 285 |
| 40 | 20 | 58 | M64×2 | 165 | 115 | 6-26 | 32 | 65 | M80×3 | 200 | 145 | 6-29 | 40 | 165 | 115 | 350 |
| 50 | 25 | 70 | M80×2 | 200 | 145 | 6-29 | 40 | 80 | M100×3 | 225 | 170 | 6-33 | 50 | 165 | 165 | 380 |