A42Y彈簧高壓安全閥
A42Y彈簧高壓安全閥適用于工作溫度≤300℃的空氣石油氣等介質的設備和管路上；A42Y-64P，A42Y-100P型適用于工作溫度≤200℃有腐蝕性氣體介質的設備和管路上；當設備和管路內壓力超過允許值時，閥門自動開啟，繼而全量排放；當壓力降低到規(guī)定值時，閥門自動關閉，保證設備和管路的安全運行。
連接法蘭按JB/T2769-92的標準。
彈簧高壓安全閥主要零部件材料
|
NO.
|
零件名稱
|
A42Y-160 A42Y-320 材料
|
A42Y-160P A42Y-320P 材料
|
A42Y-160R A42Y-320R 材料
|
|
1
|
法蘭
|
35/35CrMoA
|
2Cr13
|
1Cr18Ni12Mo2Ti
|
|
2
|
閥座
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
|
3
|
閥體
|
40
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
|
4
|
調節(jié)圈
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
|
5
|
閥瓣
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
|
6
|
反沖盤
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
|
7
|
導向套
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
|
8
|
閥蓋
|
ZG230-450
|
ZG230-450
|
ZG230-450
|
|
9
|
閥桿
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|
10
|
彈簧
|
50CrVA
|
50CrVA包覆氟塑料
|
50CrVA包覆氟塑料
|
|
11
|
調整螺桿
|
45
|
2Cr13
|
2Cr13
|
|
12
|
閥帽
|
ZG200-400
|
ZG200-400
|
ZG200-400
|
|
|
密封面材料
|
堆焊Co基硬質合金
|
■彈簧高壓安全閥外形尺寸和連接尺寸
|
型號
|
公稱通徑
|
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
|
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