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點擊圖片查看原圖A42F-25，A42H-40，無錫昌林，A42F-40，
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連接法蘭標準按JB/T……-94系列1。≥6.4MPa按JB/T……-94系列2。
彈簧全啟封閉式安全閥外形尺寸和連接尺寸
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型號
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公稱通徑
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do
|
D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z-?d
|
DN'
|
D1
|
K1
|
g2
|
b1
|
f'
|
Z1-?d1
|
L
|
L1
|
≈H
|
|
A42H-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
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|||
|
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
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|||
|
125
|
80
|
250
|
210
|
185
|
22
|
3
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8-18
|
150
|
285
|
240
|
210
|
24
|
3
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8-23
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210
|
190
|
780
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|||
|
150
|
100
|
285
|
240
|
210
|
24
|
3
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8-23
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175
|
310
|
270
|
240
|
26
|
3
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8-23
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255
|
230
|
838
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|||
|
200
|
125
|
340
|
295
|
265
|
26
|
3
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12-23
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250
|
405
|
355
|
320
|
30
|
3
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12-26
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300
|
260
|
992
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|||
|
250
|
150
|
405
|
355
|
320
|
30
|
3
|
12-26
|
300
|
460
|
410
|
375
|
30
|
4
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12-26
|
350
|
320
|
1266
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|||
|
300
|
220
|
460
|
410
|
375
|
30
|
4
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12-26
|
400
|
580
|
525
|
485
|
36
|
4
|
16-30
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370
|
350
|
1283
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|||
|
350
|
250
|
520
|
470
|
435
|
34
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4
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16-26
|
500
|
715
|
650
|
608
|
44
|
4
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20-34
|
500
|
450
|
1520
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|||
|
400
|
280
|
580
|
525
|
485
|
36
|
4
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16-30
|
500
|
715
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650
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608
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44
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4
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20-34
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500
|
450
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1530
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|||
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A42H-25
A42F-25 |
20
|
15
|
105
|
75
|
55
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16
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2
|
4-14
|
25
|
115
|
85
|
65
|
16
|
2
|
4-14
|
110
|
95
|
378
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||
|
25
|
16
|
115
|
85
|
65
|
16
|
2
|
4-14
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
110
|
95
|
378
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|||
|
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
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|||
|
50
|
32
|
165
|
125
|
100
|
20
|
3
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4-18
|
65
|
185
|
145
|
120
|
20
|
3
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4-18
|
135
|
120
|
450
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|||
|
65
|
40
|
185
|
145
|
120
|
22
|
3
|
8-18
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
160
|
140
|
520
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|||
|
80
|
50
|
200
|
160
|
135
|
22
|
3
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8-18
|
100
|
220
|
180
|
155
|
22
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3
|
8-18
|
170
|
135
|
525
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|||
|
100
|
65
|
230
|
190
|
160
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24
|
3
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8-23
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
195
|
175
|
690
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|||
|
125
|
80
|
270
|
220
|
188
|
28
|
3
|
8-26
|
150
|
285
|
240
|
210
|
24
|
3
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8-23
|
210
|
190
|
780
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|||
|
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
|
|||
|
A42H-40
A42F-40 |
20
|
15
|
105
|
25
|
51
|
55
|
16
|
2
|
4
|
4-14
|
25
|
115
|
85
|
65
|
16
|
2
|
4-14
|
110
|
95
|
378
|
|
25
|
16
|
115
|
85
|
58
|
65
|
16
|
2
|
4
|
4-14
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
110
|
95
|
378
|
|
|
32
|
20
|
140
|
100
|
66
|
78
|
18
|
2
|
4
|
4-18
|
40
|
150
|
110
|
85
|
18
|
3
|
4-18
|
115
|
100
|
378
|
|
|
40
|
25
|
150
|
110
|
76
|
85
|
18
|
3
|
4
|
4-18
|
50
|
165
|
125
|
100
|
20
|
3
|
4-18
|
120
|
110
|
406
|
|
|
50
|
32
|
165
|
125
|
88
|
100
|
20
|
3
|
4
|
4-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
135
|
120
|
450
|
|
|
65
|
40
|
185
|
145
|
110
|
120
|
22
|
3
|
4
|
8-18
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
160
|
140
|
520
|
|
|
80
|
50
|
200
|
160
|
121
|
135
|
22
|
3
|
4
|
8-18
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
135
|
525
|
|
|
100
|
65
|
235
|
190
|
150
|
160
|
24
|
3
|
4.5
|
8-23
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
195
|
175
|
690
|
|
|
125
|
80
|
270
|
220
|
176
|
188
|
28
|
3
|
4.5
|
8-26
|
150
|
285
|
240
|
210
|
24
|
3
|
8-23
|
210
|
190
|
780
|
|
|
150
|
100
|
300
|
250
|
204
|
218
|
30
|
3
|
4.5
|
8-26
|
175
|
310
|
270
|
240
|
26
|
3
|
8-23
|
255
|
230
|
838
|
|
|
200
|
125
|
375
|
320
|
260
|
282
|
38
|
3
|
4.5
|
12-30
|
250
|
405
|
355
|
320
|
30
|
3
|
12-26
|
300
|
260
|
992
|
|
|
250
|
150
|
450
|
385
|
313
|
345
|
42
|
3
|
4.5
|
12-34
|
300
|
460
|
410
|
375
|
30
|
4
|
12-26
|
350
|
320
|
1266
|
