A42Y弹簧全启式高压安全阀
A42Y弹簧高压安全阀适用于工作温度≤300℃的空气石油气等介质的设备和管路上；A42Y-64P，A42Y-100P型适用于工作温度≤200℃有腐蚀性气体介质的设备和管路上；当设备和管路内压力超过允许值时，阀门自动开启，继而全量排放；当压力降低到规定值时，阀门自动关闭，保证设备和管路的安全运行。
连接法兰按JB/T2769-92的标准。
弹簧全启式高压安全阀主要零部件材料
NO.
|
零件名称
|
A42Y-160 A42Y-320 材料
|
A42Y-160P A42Y-320P 材料
|
A42Y-160R A42Y-320R 材料
|
1
|
法兰
|
35/35CrMoA
|
2Cr13
|
1Cr18Ni12Mo2Ti
|
2
|
阀座
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
3
|
阀体
|
40
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
4
|
调节圈
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
5
|
阀瓣
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
6
|
反冲盘
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
7
|
导向套
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
8
|
阀盖
|
ZG230-450
|
ZG230-450
|
ZG230-450
|
9
|
阀杆
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
10
|
弹簧
|
50CrVA
|
50CrVA包覆氟塑料
|
50CrVA包覆氟塑料
|
11
|
调整螺杆
|
45
|
2Cr13
|
2Cr13
|
12
|
阀帽
|
ZG200-400
|
ZG200-400
|
ZG200-400
|
|
密封面材料
|
堆焊Co基硬质合金
|
■弹簧全启式高压安全阀外形尺寸和连接尺寸
型号
|
公称通径
|
do
|
d
|
M
|
K
|
D
|
Z-?d
|
b
|
d1
|
M1
|
K1
|
D1
|
Z1-?d1
|
b1
|
L
|
L1
|
≈H
|
A42Y-160
|
15
|
8
|
20
|
M34×2
|
60
|
95
|
3-18
|
20
|
29
|
M42×2
|
80
|
115
|
4-18
|
22
|
95
|
100
|
220
|
20
|
8
|
27
|
M33×2
|
68
|
105
|
3-18
|
20
|
29
|
M42×2
|
80
|
115
|
4-18
|
22
|
95
|
100
|
220
|
25
|
14
|
28
|
M33×2
|
68
|
105
|
3-18
|
20
|
50
|
M64×3
|
115
|
165
|
6-26
|
32
|
150
|
150
|
280
|
32
|
15
|
37
|
M42×2
|
80
|
115
|
4-18
|
22
|
50
|
M64×3
|
115
|
165
|
6-26
|
32
|
150
|
150
|
390
|
40
|
20
|
47
|
M52×2
|
115
|
165
|
6-26
|
28
|
65
|
M80×3
|
145
|
200
|
6-29
|
40
|
180
|
180
|
495
|
50
|
25
|
59
|
M64×3
|
115
|
165
|
6-26
|
32
|
80
|
M100×3
|
170
|
225
|
6-33
|
50
|
165
|
165
|
400
|
A42Y-320
|
15
|
8
|
27
|
M33×2
|
68
|
105
|
3-18
|
20
|
29
|
M42×2
|
80
|
115
|
4-18
|
22
|
95
|
100
|
220
|
20
|
8
|
30
|
M33×2
|
75
|
110
|
3-18
|
22
|
29
|
M42×2
|
80
|
115
|
4-18
|
22
|
95
|
100
|
220
|
25
|
14
|
35
|
M42×2
|
80
|
115
|
4-18
|
22
|
50
|
M64×3
|
115
|
165
|
6-26
|
32
|
150
|
150
|
280
|
32
|
15
|
41
|
M48×2
|
95
|
135
|
4-22
|
25
|
50
|
M64×3
|
115
|
165
|
6-26
|
32
|
150
|
150
|
390
|
40
|
20
|
58
|
M64×3
|
115
|
165
|
6-26
|
32
|
65
|
M80×3
|
145
|
200
|
6-29
|
40
|
180
|
180
|
495
|
50
|
25
|
70
|
M80×3
|
145
|
200
|
6-29
|
40
|
80
|
M100×3
|
170
|
225
|
6-33
|
50
|
165
|
165
|
400
|
A42Y-400
|
32
|
15
|
41
|
M48×2
|
95
|
135
|
4-22
|
25
|
50
|
M64×3
|
115
|
165
|
6-26
|
32
|
150
|
150
|
397
|
|
