产品概述
A42F型适用于工作温度－29～+80℃ 的液化石油气和类似非腐蚀性介质的设备和管路上。AH42F 型安全回流阀适用于液化石油气罐泵出口的液相回流管道上，当设备或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，保证设备安全运行。
广州永一安全阀、石油液化气安全阀主要零部件材料
NO.
|
零件名称
|
AH42F-C A42F-C 材料
|
1
|
阀座
|
2Cr13
|
2
|
阀体
|
WCB
|
3
|
调节圈
|
2Cr13
|
4
|
反冲盘
|
2Cr13
|
5
|
阀瓣
|
2Cr13+PTFE
|
6
|
导向套
|
2Cr13
|
7
|
阀盖
|
ZG230-450
|
8
|
弹簧
|
50CrVA
|
9
|
阀杆
|
2Cr13
|
10
|
调整螺杆
|
45
|
11
|
阀帽
|
ZG200-400
|
广州永一安全阀、石油液化气安全阀主要外形及连接尺寸
型号
|
公称
通径
|
do
|
D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z-ød
|
DN'
|
D1
|
K1
|
g2
|
b1
|
f'
|
Z1-ød1
|
L
|
L1
|
≈H
|
AH42F-16C
A42F-16C |
20
|
15
|
105
|
75
|
55
|
16
|
2
|
4-14
|
25
|
115
|
85
|
65
|
16
|
2
|
4-14
|
110
|
95
|
378
|
||
25
|
16
|
115
|
85
|
65
|
16
|
2
|
4-14
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
110
|
95
|
378
|
|||
32
|
20
|
140
|
100
|
78
|
18
|
2
|
4-18
|
40
|
150
|
110
|
85
|
18
|
3
|
4-18
|
115
|
100
|
378
|
|||
40
|
25
|
150
|
110
|
85
|
18
|
3
|
4-18
|
50
|
165
|
125
|
100
|
20
|
3
|
4-18
|
120
|
110
|
406
|
|||
50
|
32
|
165
|
125
|
100
|
20
|
3
|
4-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
135
|
120
|
450
|
|||
65
|
40
|
185
|
145
|
120
|
20
|
3
|
4-18
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
160
|
140
|
520
|
|||
80
|
50
|
200
|
160
|
135
|
20
|
3
|
8-18
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
135
|
525
|
|||
100
|
65
|
220
|
180
|
155
|
22
|
3
|
8-18
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
195
|
175
|
690
|
|||
125
|
80
|
250
|
210
|
185
|
22
|
3
|
8-18
|
150
|
285
|
240
|
210
|
24
|
3
|
8-23
|
210
|
190
|
780
|
|||
150
|
100
|
285
|
240
|
210
|
24
|
3
|
8-23
|
175
|
310
|
270
|
240
|
26
|
3
|
8-23
|
255
|
230
|
838
|
|||
200
|
125
|
340
|
295
|
265
|
26
|
3
|
12-23
|
250
|
405
|
355
|
320
|
30
|
3
|
12-26
|
300
|
260
|
992
|
|||
250
|
150
|
405
|
355
|
320
|
30
|
3
|
12-26
|
300
|
460
|
410
|
375
|
30
|
4
|
12-26
|
350
|
320
|
1266
|
|||
300
|
220
|
460
|
410
|
375
|
30
|
4
|
12-26
|
400
|
580
|
525
|
485
|
36
|
4
|
16-30
|
370
|
350
|
1283
|
|||
350
|
250
|
520
|
470
|
435
|
34
|
4
|
16-26
|
500
|
715
|
650
|
608
|
44
|
4
|
20-34
|
500
|
450
|
1520
|
|||
400
|
280
|
580
|
525
|
485
|
36
|
4
|
16-30
|
500
|
715
|
650
|
608
|
44
|
4
|
20-34
|
500
|
450
|
1530
|
|||
AH42F-25
A42F-25 |
20
|
15
|
105
|
75
|
55
|
16
|
2
|
4-14
|
25
|
115
|
85
|
65
|
16
|
2
|
4-14
|
110
|
95
|
378
|
||
25
|
16
|
115
|
85
|
65
|
16
|
2
|
4-14
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
110
|
95
|
378
|
|||
32
|
20
|
140
|
100
|
78
|
18
|
2
|
4-18
|
40
|
150
|
110
|
85
|
18
|
3
|
4-18
|
115
|
100
|
378
|
|||
40
|
25
|
150
|
110
|
85
|
18
|
3
|
4-18
|
50
|
165
|
125
|
100
|
20
|
3
|
4-18
|
120
|
110
|
406
|
|||
50
|
32
|
165
|
125
|
100
|
20
|
3
|
4-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
135
|
120
|
450
|
|||
65
|
40
|
185
|
145
|
120
|
22
|
3
|
8-18
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
160
|
140
|
520
|
|||
80
|
50
|
200
|
160
|
135
|
22
|
3
|
8-18
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
135
|
525
|
|||
100
|
65
|
230
|
190
|
160
|
24
|
3
|
8-23
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
195
|
175
|
690
|
|||
125
|
80
|
270
|
220
|
188
|
28
|
3
|
8-26
|
150
|
285
|
240
|
210
|
24
|
3
|
8-23
|
210
|
190
|
780
|
|||
150
|
100
|
300
|
250
|
218
|
30
|
3
|
8-26
|
175
|
310
|
270
|
240
|
26
|
3
|
8-23
|
255
|
230
|
838
|
|||
200
|
125
|
360
|
310
|
278
|
34
|
3
|
12-26
|
250
|
405
|
355
|
320
|
30
|
3
|
12-26
|
300
|
260
|
992
|
|||
250
|
150
|
425
|
370
|
332
|
36
|
3
|
12-30
|
300
|
460
|
410
|
375
|
30
|
4
|
12-26
|
350
|
320
|
1266
|
|||
300
|
220
|
485
|
430
|
390
|
40
|
4
|
16-30
|
400
|
580
|
525
|
485
|
36
|
4
|
16-30
|
370
|
350
|
1283
|
