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一、A27H弹簧微启式安全阀概述9/strong>
A27H型弹簧微启式安全阀适用于工作温?/span>≣/span>200ℂ/span>的水、空气、蒸气等介质的设备或管路上。A27Y适用于工作温?/span>≣/span>200ℂ/span>有腐蚀性介质的设备或管路上,作为超压保护装置、/span>
二、A27H弹簧微启式安全阀结构图片9/strong>
三、A27H弹簧微启式安全阀主要零部件材料:
NO. |
零件名称 |
A27H材料 |
A27W-P材料 |
A27W-R材料 |
1 |
阀佒/span> |
HT350 |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
2 |
阀?/span> |
35 |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni9Ti |
3 |
调节圇/span> |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
4 |
阀瓢/span> |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
5 |
弹簧 |
50CrVA |
50CrVA包覆氟塑斘/span> |
50CrVA包覆氟塑斘/span> |
6 |
阀杅/span> |
2Cr13 |
2Cr13 |
1Cr18Ni9Ti |
7 |
调整螺杆 |
45 |
2Cr13 |
1Cr18Ni9Ti |
8 |
保护?/span> |
ZG200-400 |
ZG200-400 |
1Cr18Ni9Ti |
密封面材斘/span> |
“H”堆焊D507 |
“Y“/span>堆焊Co基硬质合釐/span> |
四、A27H弹簧微启式安全阀外型尺寸和连接尺寸:
公称通径 |
尺寸 |
|||||
do |
Rc |
L |
L1 |
G |
H |
|
15 |
10 |
1/2" |
40 |
65 |
1/2" |
135 |
20 |
15 |
3/4" |
45 |
70 |
3/4" |
140 |
25 |
20 |
1" |
45 |
76 |
1" |
155 |
32 |
25 |
11/4" |
55 |
85 |
11/4" |
170 |
40 |
32 |
11/2" |
55 |
85 |
11/2" |
310 |
50 |
40 |
2" |
67 |
100 |
2" |
322 |
65 |
50 |
21/2" |
76 |
112 |
21/2" |
344 |
80 |
65 |
3" |
110 |
135 |
3" |
395 |
永嘉