弹簧微启式安全阀(A61Y) A61-160,A61-320适用于工作温度≤200℃的空气、氨、石油气等介质的设备和管路上,A61Y-160P,A61Y-320P型适用于温度≤200℃有腐蚀性的气体或液体的设备和管路上,作为超压保护装置。
Series A61H-160 A61Y-320 A61Y-160P A61Y-320P
主要零部件材料 Explanation of materials for main parts |
NO. |
Name of part |
A61H-C A61Y-C Materials |
A61Y-P Materials |
1 |
Union |
20 |
1Cr18Ni9Ti |
2 |
Union nut |
35 |
1Cr18Ni9Ti |
3 |
Nozzle |
2Cr13 |
1Cr18Ni9Ti |
4 |
Body |
35/35CrMoA |
1Cr18Ni9Ti |
5 |
Disc |
2Cr13 |
1Cr18Ni9Ti |
6 |
Guide |
2Cr13 |
1Cr18Ni9Ti |
7 |
Spring |
50CrVA |
50CrVA Coated Teflon |
8 |
Stem |
2Cr13 |
2Cr13 |
9 |
Bonnet |
ZG230-450 |
1Cr18Ni9Ti |
10 |
Adjusting bolt |
45 |
2Cr13 |
11 |
Cap |
ZG200-400 |
1Cr18Ni9Ti |
|
Sealing surface of material |
"Y" Co Depositing stellite, "H" D507 Depositing D507 |
外形尺寸和连接尺寸 Dimensions (mm) |
Nominal pressure PN(MPa) |
Nominal diameter DN(mm) |
Dimensions |
do |
D |
D1 |
D2 |
L |
L1 |
H |
16 |
10 |
6 |
17 |
14 |
12 |
115 |
135 |
78 |
15 |
8 |
22 |
18 |
16 |
115 |
135 |
85 |
20 |
10 |
28 |
22 |
20 |
115 |
135 |
135 |
25 |
12 |
35 |
26 |
24 |
160 |
165 |
142 |
32 |
10 |
6 |
22 |
14 |
12 |
115 |
135 |
80 |
15 |
8 |
25 |
17 |
15 |
115 |
135 |
90 |
20 |
10 |
30 |
22 |
20 |
115 |
135 |
140 |
25 |
12 |
38 |
26 |
24 |
160 |
165 |
148 | |