A38Y,A43H,A37H雙聯(lián)彈簧式法蘭安全閥主要零部件材料說明
A38Y、A43H、A37H型安全閥除三通(材料為WCB)外、其余零件的材料均和A47H、A48Y型彈簧式安全閥相同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/T79-94的系列.
雙聯(lián)彈簧式法蘭安全閥執(zhí)行的標(biāo)準(zhǔn)
設(shè)計(jì)規(guī)范:GB/T 12243
結(jié)構(gòu)長(zhǎng)度:GB/T 12221
法蘭連接:JB/T 79
試驗(yàn)與檢驗(yàn):GB/T 12242
產(chǎn)品標(biāo)識(shí):GB/T 12220
供貨規(guī)范:JB/T 7928
雙聯(lián)彈簧式法蘭安全閥主要零部件材料:
A38Y型
DN
|
相應(yīng)的A48Y型
DN
|
|
A43Y型
DN
|
相應(yīng)的A47Y型
DN
|
|
A37Y型
DN
|
相應(yīng)的A47Y 型
DN
|
50
|
32
|
|
50
|
32
|
|
50
|
32
|
80
|
50
|
|
80
|
50
|
|
80
|
65
|
100
|
65
|
|
100
|
80
|
|
100
|
80
|
150
|
100
|
|
125
|
100
|
|
125
|
100
|
|
|
|
150
|
125
|
|
150
|
125
|
雙聯(lián)彈簧式法蘭安全閥主要外形連接尺寸mm:
型號(hào)
|
DN
|
do
|
D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z- d
|
DN'
|
D1
|
k1
|
g2
|
b1
|
f'
|
Z1- d1
|
L
|
L1
|
L0
|
h
|
H
|
A37H-16C
A43H-16C
|
50
|
25
|
165
|
125
|
100
|
|
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
|
100
|
65
|
220
|
180
|
155
|
|
22
|
3
|
|
8-18
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
160
|
135
|
255
|
355
|
890
|
125
|
80
|
250
|
210
|
185
|
|
22
|
3
|
|
8-18
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
160
|
260
|
410
|
1,170
|
150
|
100
|
285
|
240
|
210
|
|
24
|
3
|
|
8-23
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
190
|
190
|
275
|
430
|
1,240
|
A37H-25
A43H-25
|
50
|
25
|
165
|
125
|
100
|
|
20
|
3
|
|
4-18
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
115
|
110
|
165
|
235
|
547
|
80
|
40
|
200
|
160
|
135
|
|
22
|
3
|
|
8-18
|
50
|
165
|
125
|
100
|
16
|
3
|
4-18
|
135
|
120
|
190
|
285
|
795
|
80
|
50
|
200
|
160
|
135
|
|
22
|
3
|
|
8-18
|
65
|
185
|
145
|
120
|
18
|
3
|
4-18
|
140
|
130
|
205
|
310
|
835
|
100
|
65
|
230
|
190
|
160
|
|
24
|
3
|
|
8-23
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
160
|
135
|
255
|
355
|
890
|
125
|
80
|
270
|
220
|
188
|
|
28
|
3
|
|
8-26
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
160
|
260
|
410
|
1,170
|
150
|
100
|
300
|
250
|
218
|
|
30
|
3
|
|
8-26
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
190
|
190
|
275
|
430
|
1,240
|
A37H-40
A43H-40
|
50
|
25
|
165
|
125
|
100
|
88
|
20
|
3
|
4
|
4-18
|
32
|
140
|
100
|
78
|
16
|
2
|
4-18
|
115
|
110
|
165
|
235
|
547
|
80
|
40
|
200
|
160
|
135
|
121
|
22
|
3
|
4
|
8-18
|
50
|
165
|
125
|
100
|
16
|
3
|
4-18
|
135
|
120
|
190
|
285
|
795
|
80
|
50
|
200
|
160
|
135
|
121
|
22
|
3
|
4
|
8-18
|
65
|
185
|
145
|
120
|
18
|
3
|
4-18
|
140
|
130
|
205
|
310
|
835
|
100
|
65
|
235
|
190
|
160
|
150
|
24
|
3
|
4.5
|
8-23
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
160
|
135
|
255
|
355
|
890
|
125
|
80
|
270
|
220
|
188
|
176
|
28
|
3
|
4.5
|
8-26
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
160
|
260
|
410
|
1,170
|
150
|
100
|
300
|
250
|
218
|
204
|
30
|
3
|
4.5
|
8-26
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
190
|
190
|
275
|
430
|
1,240
|
A38Y-16C
|
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
|
|
20
|
3
|
|
8-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
230
|
120
|
190
|
265
|
817
|
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
|
1,097
|
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
|
1,097
|
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
|
1,097
|
|