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A42Y彈簧全啟式高壓安全閥
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。
彈簧全啟式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 |
■彈簧全啟式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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