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 首頁--產(chǎn)品展示 |
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| 雙聯(lián)彈簧式安全閥 |
| 產(chǎn)品型號：A38Y-16C/25/40、A43H-16C/25/40、A37H-16C/25/40 |
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| 本閥門適用于工作溫度≤350℃的蒸汽、水等介質(zhì)的設(shè)備和管路上。作為超壓保護(hù)裝置。連接法蘭標(biāo)準(zhǔn)按JB/T......94的系列1 |
主要零部件材料說明：
A38Y、A43H、A37H型安全閥除三通（材料為WCB）外，欺余零件的材料均和A47H、A48Y型彈簧式安全閥相同。 |
A38Y、A43H、A37H型雙聯(lián)安全閥是在Y型接頭上裝設(shè)兩個同樣規(guī)格的A48Y或A47H型安全閥而構(gòu)成，其公稱通徑系列指Y型接頭進(jìn)口通徑，其組合情況如下表：
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A38Y型
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相應(yīng)的A48Y型
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50
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32×2
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80
|
50×2
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100
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65×2
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150
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100×2
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A43Y型
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相應(yīng)的A47Y型
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50
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32×2
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80
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50×2
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100
|
80×2
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125
|
100×2
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150
|
125×2
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A37Y型
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相應(yīng)的A47Y型
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50
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32×2
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80
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65×2
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100
|
80×2
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125
|
100×2
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|
150
|
125×2
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外形尺寸和連接尺寸：
|
型號
|
公稱通徑
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do
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D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z-ød
|
DN'
|
D1
|
K1
|
g2
|
b1
|
f'
|
Z1-ød1
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L
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L1
|
L0
|
h
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H
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A37H-16C A43H-16C
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50
|
25
|
165
|
125
|
100
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|
20
|
3
|
|
4-18
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
115
|
110
|
165
|
235
|
547
|
|
80
|
40
|
200
|
160
|
135
|
|
20
|
3
|
|
8-18
|
50
|
165
|
125
|
100
|
16
|
3
|
4-18
|
135
|
120
|
190
|
285
|
795
|
|
80
|
50
|
200
|
160
|
135
|
|
20
|
3
|
|
8-18
|
65
|
185
|
145
|
120
|
18
|
3
|
4-18
|
140
|
130
|
205
|
310
|
835
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|
100
|
65
|
220
|
180
|
155
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|
22
|
3
|
|
8-18
|
80
|
200
|
160
|
135
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20
|
3
|
8-18
|
160
|
135
|
255
|
355
|
890
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|
125
|
80
|
250
|
210
|
185
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|
22
|
3
|
|
8-18
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
160
|
260
|
410
|
1170
|
|
150
|
100
|
285
|
240
|
210
|
|
24
|
3
|
|
8-23
|
125
|
250
|
210
|
185
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22
|
3
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8-18
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190
|
190
|
275
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430
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1240
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|
A37H-25 A43H-25
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50
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25
|
165
|
125
|
100
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20
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3
|
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4-18
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32
|
140
|
100
|
78
|
18
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2
|
4-18
|
115
|
110
|
165
|
235
|
547
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|
80
|
40
|
200
|
160
|
135
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22
|
3
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|
8-18
|
50
|
165
|
125
|
100
|
16
|
3
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4-18
|
135
|
120
|
190
|
285
|
795
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|
80
|
50
|
200
|
160
|
135
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22
|
3
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8-18
|
65
|
185
|
145
|
120
|
18
|
3
|
4-18
|
140
|
130
|
205
|
310
|
835
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|
100
|
65
|
230
|
190
|
160
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24
|
3
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8-23
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80
|
200
|
160
|
135
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20
|
3
|
8-18
|
160
|
135
|
255
|
355
|
890
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|
125
|
80
|
270
|
220
|
188
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|
28
|
3
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|
8-26
|
100
|
220
|
180
|
155
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22
|
3
|
8-18
|
170
|
160
|
260
|
410
|
1170
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|
150
|
100
|
300
|
250
|
218
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30
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3
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8-26
|
125
|
250
|
210
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185
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22
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3
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8-18
|
190
|
190
|
275
|
430
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1240
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|
A37H-40 A43H-40
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50
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25
|
165
|
125
|
100
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88
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20
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3
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4
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4-18
|
32
|
140
|
100
|
78
|
16
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2
|
4-18
|
115
|
110
|
165
|
235
|
547
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|
80
|
40
|
200
|
160
|
135
|
121
|
22
|
3
|
4
|
8-18
|
50
|
165
|
125
|
100
|
16
|
3
|
4-18
|
135
|
120
|
190
|
285
|
795
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|
80
|
50
|
200
|
160
|
135
|
121
|
22
|
3
|
4
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8-18
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65
|
185
|
145
|
120
|
18
|
3
|
4-18
|
140
|
130
|
205
|
310
|
835
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|
100
|
65
|
235
|
190
|
160
|
150
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24
|
3
|
4.5
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8-23
|
80
|
200
|
160
|
135
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20
|
3
|
8-18
|
160
|
135
|
255
|
355
|
890
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|
125
|
80
|
270
|
220
|
188
|
176
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28
|
3
|
4.5
|
8-26
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
160
|
260
|
410
|
1170
|
|
150
|
100
|
300
|
250
|
218
|
204
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30
|
3
|
4.5
|
8-26
|
125
|
250
|
210
|
185
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22
|
3
|
8-18
|
190
|
190
|
275
|
430
|
1240
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|
A38Y-16C
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50
|
20
|
165
|
125
|
100
|
|
20
|
3
|
|
4-18
|
40
|
150
|
110
|
85
|
16
|
3
|
4-18
|
198
|
100
|
165
|
225
|
636
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|
80
|
32
|
200
|
160
|
135
|
|
20
|
3
|
|
8-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
230
|
120
|
190
|
265
|
817
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|
100
|
40
|
220
|
180
|
155
|
|
22
|
3
|
|
8-18
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
293
|
140
|
265
|
265
|
921
|
|
150
|
80
|
285
|
240
|
210
|
|
24
|
3
|
|
8-23
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
320
|
175
|
250
|
420
|
1097
|
|
A38Y-25
|
50
|
20
|
165
|
125
|
100
|
|
20
|
3
|
|
4-18
|
40
|
150
|
110
|
85
|
16
|
3
|
4-18
|
198
|
100
|
165
|
225
|
636
|
|
80
|
32
|
200
|
160
|
135
|
|
22
|
3
|
|
8-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
230
|
120
|
190
|
265
|
817
|
|
100
|
40
|
230
|
190
|
160
|
|
24
|
3
|
|
8-23
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
293
|
140
|
265
|
265
|
921
|
|
150
|
80
|
300
|
250
|
218
|
|
30
|
3
|
|
8-26
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
320
|
175
|
250
|
420
|
1097
|
|
A38Y-40
|
50
|
20
|
165
|
125
|
100
|
88
|
20
|
3
|
4
|
4-18
|
40
|
150
|
110
|
85
|
16
|
3
|
4-18
|
198
|
100
|
165
|
225
|
636
|
|
80
|
32
|
200
|
160
|
135
|
121
|
22
|
3
|
4
|
8-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
230
|
120
|
190
|
265
|
817
|
|
100
|
40
|
235
|
190
|
160
|
150
|
24
|
3
|
4.5
|
8-23
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
293
|
140
|
265
|
265
|
921
|
|
150
|
80
|
300
|
250
|
218
|
204
|
30
|
3
|
4.5
|
8-26
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
320
|
175
|
250
|
420
|
1097
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