A41H-16弹簧微启封闭式安全阀适用于工作温度≤300℃的石油气、空气、水等介质的设备或管路上。A41Y-P/R型适用于工作温度≤200℃有腐蚀性介质的设备或管路上，作为超压保护装置。连接法兰标准按JB/T……94/系列1。
主要零部件材料
序号 | 零件名称 | A41H-C/KA41Y-C材料 | A41Y-P/KA41Y-P材料 | A41Y-R/KA41Y-R材料 |
1 | 阀体 | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
2 | 阀座 | ZG2Cr13/1Cr18Ni9Ti | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
3 | 调节圈 | ZG2Cr13/1Cr18Ni9Ti | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
4 | 阀瓣 | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
5 | 导向套 | ZG2Cr13/1Cr18Ni9Ti | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
6 | 阀盖 | ZG230-450 | ZG230-450 | ZG230-450 |
7 | 弹簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 |
8 | 阀杆 | 2Cr13 | 2Cr13 | 1Cr18Ni12Mo2Ti |
9 | 调整螺杆 | 45 | 2Cr13 | 2Cr13 |
10 | 保护罩 | ZG200-400 | ZG200-400 | ZG200-400 |
外形尺寸和连接尺寸
公称通径 | (进口尺寸)A41H-16C、A41Y-16P、A41W-16R | (出口尺寸)A41H-16C、A41Y-16P、A41W-16R |
do | D | K | g | g1 | b | f | f1 | Z-ød | L | DN\' | D1 | K1 | g2 | g\' | b1 | f\' | f1\' | Z1-ød1 | L1 | ≈H | DN\' |
20 | 15 | 105 | 75 | | 55 | 16 | 2 | | 4-14 | 100 | 20 | 20 | 105 | 75 | 55 | | 16 | 2 | | 4-14 | 100 | 85 |
25 | 20 | 115 | 85 | | 65 | 16 | 2 | | 4-14 | 100 | 25 | 25 | 115 | 85 | 65 | | 16 | 2 | | 4-14 | 100 | 85 |
32 | 25 | 140 | 100 | | 78 | 18 | 2 | | 4-18 | 115 | 32 | 32 | 140 | 100 | 78 | | 18 | 2 | | 4-18 | 115 | 100 |
40 | 32 | 150 | 110 | | 85 | 18 | 3 | | 4-18 | 120 | 40 | 40 | 150 | 110 | 85 | | 18 | 3 | | 4-18 | 120 | 110 |
50 | 40 | 165 | 125 | | 100 | 20 | 3 | | 4-18 | 135 | 50 | 50 | 165 | 125 | 100 | | 20 | 3 | | 4-18 | 135 | 120 |
65 | 50 | 185 | 145 | | 120 | 20 | 3 | | 4-18 | 140 | 65 | 65 | 185 | 145 | 120 | | 20 | 3 | | 4-18 | 140 | 130 |
80 | 65 | 200 | 160 | | 135 | 20 | 3 | | 8-18 | 160 | 80 | 80 | 200 | 160 | 135 | | 20 | 3 | | 8-18 | 160 | 135 |
100 | 80 | 220 | 180 | | 155 | 22 | 3 | | 8-18 | 170 | 100 | 100 | 220 | 180 | 155 | | 22 | 3 | | 8-18 | 170 | 160 |
125 | 100 | 250 | 210 | | 185 | 22 | 3 | | 8-18 | 190 | 125 | 125 | 250 | 210 | 185 | | 22 | 3 | | 8-18 | 190 | 190 |
150 | 125 | 285 | 240 | | 210 | 24 | 3 | | 8-23 | 205 | 150 | 150 | 285 | 240 | 210 | | 24 | 3 | | 8-23 | 205 | 195 |
200 | 150 | 340 | 295 | | 265 | 26 | 3 | | 12-23 | 240 | 200 | 200 | 340 | 295 | 265 | | 26 | 3 | | 12-23 | 240 | 230 |
250 | 200 | 405 | 355 | | 320 | 30 | 3 | | 12-26 | 350 | 250 | 250 | 405 | 355 | 320 | | 30 | 3 | | 12-26 | 350 | 320 |
300 | 250 | 460 | 410 | | 375 | 30 | 4 | | 12-26 | 350 | 300 | 300 | 460 | 410 | 375 | | 30 | 4 | | 12-26 | 350 | 320 |