A41F、A41H弹簧微启式单法兰安全阀适用于工作温度≤200℃的空气、氨、石油气……等介质的设备或管路上。A41W-P、R型适用于温度≤200℃有腐蚀性的气体或液体的设备或管路上,作为超压保护装置。KA41Y型适用于温度≤100℃的液化石油气等。
弹簧微启式外螺纹安全阀主要零部件材料
NO. | 零件名称 | A41H-C/A41F材料 | A41W-P/A41F-P材料 | A41Y-R材料 |
1 | 法兰 | 20 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
3 | 阀座 | 35 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
4 | 阀体 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
5 | 阀瓣 | 2Cr13/2Cr13+PTFE | 1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE | 1Cr18Ni12Mo2Ti |
6 | 弹簧座 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
7 | 弹簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 |
8 | 锁紧螺母 | Q235-A | ZG230-450 | 1Cr18Ni9Ti |
9 | 弹簧导向垫 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
10 | 调节螺母 | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
密封面材料 | "Y"型堆焊Co基硬质合金,"H"型堆焊D507,"W"型为阀门本体 |
■弹簧微启式单法兰安全阀外形尺寸和连接尺寸
型号 | 公称通径 | do | d | Do | M | W | D | D1 | D2 | Z-d |
KA41-16C A41H-16C A41H-40 A41W-16P A41W-40P KA41-16P | 15 | 12 | 15 | 20 | M27×1.5 | G1/2" | 95 | 65 | 45 | 4-14 |
20 | 16 | 20 | 25 | M33×1.5 | G3/4" | 105 | 75 | 55 | 4-14 | |
25 | 18 | 25 | 31 | M39×1.5 | G1" | 115 | 85 | 65 | 4-14 | |
A41Y-64 A41Y-64P A41Y-100 A41Y-100P | 15 | 10 | 15 | 25 | M39×1.5 | G1" | 105 | 75 | 55 | 4-14 |
20 | 10 | 20 | 31 | M39×1.5 | G1" | 125 | 90 | 68 | 4-18 | |
25 | 12 | 25 | 31 | M39×1.5 | G1" | 135 | 100 | 78 | 4-18 |