彈簧全啟封閉式安全閥-A42Y彈簧全啟封閉式安全閥適用于工作溫度≤300℃空氣、石油氣、液體等介質的設備和管路上。A42Y-P型及A42Y-R型適用于工作溫度≤200℃有腐蝕性的介質的設備和管路上，作為超壓保護裝置。
彈簧全啟封閉式安全閥-A42Y彈簧全啟封閉式安全閥主要零部件材料：
|
NO.
|
零件名稱
|
A42Y-C/KA42Y-C材料
|
A42Y-P/KA42Y-P材料
|
A42Y-R材料
|
DA42Y-P材料
|
|
1
|
閥座
|
2Cr13/1Cr18Ni9Ti
|
ZG1Cr18Ni9Ti
|
ZG1Cr18Ni12Mo2Ti
|
ZG1Cr18Ni9Ti
|
|
2
|
閥體
|
WCB
|
ZG1Cr18Ni9Ti
|
ZG1Cr18Ni12Mo2Ti
|
LCB/ZG1Cr18Ni9Ti
|
|
3
|
調(diào)節(jié)圈
|
2Cr13/1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
1Cr18Ni9Ti
|
|
4
|
反沖盤
|
2Cr13/1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
1Cr18Ni9Ti
|
|
5
|
閥瓣
|
2Cr13/1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
1Cr18Ni9Ti
|
|
6
|
導向套
|
2Cr13/1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
1Cr18Ni9Ti
|
|
7
|
閥蓋
|
ZG230-450
|
ZG230-450
|
ZG230-450
|
ZG1Cr18Ni9Ti
|
|
8
|
彈簧
|
50CrVA
|
50CrVA包覆氟塑料
|
50CrVA包覆氟塑料
|
50CrVA
|
|
9
|
閥桿
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
1Cr18Ni9Ti
|
|
10
|
調(diào)整螺桿
|
45
|
2Cr13
|
2Cr13
|
2Cr13
|
|
11
|
閥帽
|
ZG200-400
|
ZG200-400
|
ZG200-400
|
ZG230-450
|
|
|
密封面材料
|
堆焊Co基硬質合金
|
彈簧全啟封閉式安全閥-A42Y彈簧全啟封閉式安全閥外形尺寸和連接尺寸：
|
型號
|
公稱通徑
|
do
|
D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z-ød
|
L
|
L1
|
≈H
|
|
A42Y-16C
A42Y-16P
A42Y-16R
KA42Y-16C DA42Y-16C(P)
|
20
|
15
|
105
|
75
|
|
55
|
16
|
2
|
|
4-14
|
110
|
95
|
378
|
|
25
|
16
|
115
|
85
|
|
65
|
16
|
2
|
|
4-14
|
110
|
95
|
378
|
|
32
|
20
|
140
|
100
|
|
78
|
18
|
2
|
|
4-18
|
115
|
100
|
378
|
|
40
|
25
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
120
|
110
|
406
|
|
50
|
32
|
165
|
125
|
|
100
|
20
|
3
|
|
4-18
|
135
|
120
|
450
|
|
65
|
40
|
185
|
145
|
|
120
|
20
|
3
|
|
4-18
|
160
|
140
|
520
|
|
80
|
50
|
200
|
160
|
|
135
|
20
|
3
|
|
8-18
|
170
|
135
|
525
|
|
100
|
65
|
220
|
180
|
|
155
|
22
|
3
|
|
8-18
|
195
|
175
|
690
|
|
125
|
80
|
250
|
210
|
|
185
|
22
|
3
|
|
8-18
|
210
|
190
|
780
|
|
150
|
100
|
285
|
240
|
|
210
|
24
|
3
|
|
8-23
|
255
|
230
|
838
|
|
200
|
125
|
340
|
295
|
|
265
|
26
|
3
|
|
12-23
|
300
|
260
|
992
|
|
250
|
150
|
405
|
355
|
|
320
|
30
|
3
|
|
12-26
|
350
|
320
|
1266
|
|
300
|
220
|
460
|
410
|
|
375
|
30
|
4
|
|
12-26
|
370
|
350
|
1283
|
|
350
|
250
|
520
|
470
|
|
435
|
34
|
4
|
|
16-26
|
500
|
450
|
1520
|
|
400
|
280
|
580
|
525
|
|
485
|
36
|
4
|
|
16-30
|
500
|
450
|
1530
|
|
A42Y-25C
A42Y-25P
A42Y-25R
KA42Y-25C DA42Y-25(P)
|
20
|
15
|
105
|
75
|
|
55
|
16
|
2
|
|
4-14
|
110
|
95
|
378
|
|
25
|
16
|
115
|
85
|
|
65
|
16
|
2
|
|
4-14
|
110
|
95
|
378
|
|
32
|
20
|
140
|
100
|
|
78
|
18
|
2
|
|
4-18
|
115
|
100
|
378
|
|
40
|
25
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
120
|
110
|
406
|
|
50
|
32
|
165
|
125
|
|
100
|
20
|
3
|
|
4-18
|
135
|
120
|
450
|
|
65
|
40
|
185
|
145
|
|
120
|
22
|
3
|
|
8-18
|
160
|
140
|
520
|
|
80
|
50
|
200
|
160
|
|
135
|
22
|
3
|
|
8-18
|
170
|
135
|
525
|
|
100
|
65
|
230
|
190
|
|
160
|
24
|
3
|
|
8-23
|
195
|
175
|
690
|
|
125
|
80
|
270
|
220
|
|
188
|
28
|
3
|
|
8-26
|
210
|
190
|
780
|
|
150
|
100
|
300
|
250
|
|
218
|
30
|
3
|
|
8-26
|
255
|
230
|
838
|
|
200
|
125
|
360
|
310
|
|
278
|
34
|
3
|
|
12-26
|
300
|
260
|
992
|
|
250
|
150
|
425
|
370
|
|
332
|
36
|
3
|
|
12-30
|
350
|
320
|
1266
|
|
300
|
220
|
485
|
430
|
|
390
|
40
|
4
|
|
16-30
|
370
|
350
|
1283
|
彈簧全啟封閉式安全閥-A42Y彈簧全啟封閉式安全閥 鏈接網(wǎng)址：www.7850k.com |
