BJ41W不锈钢保温截止阀主要用于石油，化工，冶金，制药等各类系统中，以输送常温下会凝固的高粘度介质。该系统阀门的夹套焊装于阀门的两法兰之间，阀门的侧面，底部设置由夹套的连接口。由于增加了夹套，此种阀门的连接法兰尺寸要比同一规格普通截止阀的连接法兰大一到两个规格，但结构长度与同规格的阀门相同，夹套中可自由地流过蒸汽或其它热的保温介质，确保粘稠介质可以顺畅地流过阀门。
BJ41W不锈钢保温截止阀
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型号 |
公称压力PN(MPa) |
试验压力 |
适用温度 |
适用介质 |
保温套压力(MPa) |
| 壳体 |
密封 |
| BJ41W-16P、R、C |
1.6 |
2.4 |
1.8 |
≤350 |
硝酸类 |
≤1.0 |
| BJ41W-25P、R、C |
2.5 |
3.8 |
2.8 |
≤350 |
硝酸类 |
≤1.0 |
BJ41W不锈钢保温截止阀1.6MPa主要连接尺寸
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型号
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公称通径DNmm
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尺寸
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L
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D
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D1
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D2
|
B-f
|
Z-Φd
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H
|
Do
|
2-G
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|
|
15
|
130
|
95
|
65
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45
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16-2
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4-14
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170
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170
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3/8
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20
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150
|
105
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75
|
55
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16-2
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4-14
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190
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190
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3/8
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25
|
160
|
115
|
85
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65
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16-2
|
4-14
|
205
|
205
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3/8
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|
32
|
180
|
135
|
100
|
78
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18-2
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4-18
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270
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270
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1/2
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40
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200
|
145
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110
|
85
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18-3
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4-18
|
310
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310
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1/2
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50
|
230
|
160
|
125
|
100
|
18-3
|
4-18
|
358
|
358
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1/2
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65
|
290
|
180
|
145
|
120
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18-3
|
4-18
|
373
|
373
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1/2
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|
80
|
310
|
195
|
160
|
135
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20-3
|
8-18
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435
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435
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1/2
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|
100
|
350
|
215
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180
|
155
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20-3
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8-18
|
500
|
500
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1/2
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|
125
|
400
|
245
|
210
|
185
|
22-3
|
8-18
|
614
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614
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1/2
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|
150
|
480
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280
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240
|
210
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24-3
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8-23
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674
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674
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1/2
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|
200
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600
|
335
|
295
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264
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26-3
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12-23
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818
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818
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1/2
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250
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730
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405
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355
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320
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30-3
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12-25
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949
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969
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1/2
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BJ41W不锈钢保温截止阀2.5MPa主要连接尺寸
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型号
|
公称通径DNmm
|
尺寸
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L
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D
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D1
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D2
|
B-f
|
Z-Φd
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H
|
Do
|
2-G
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|
15
|
130
|
95
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65
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45
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16-2
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4-14
|
233
|
120
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3/8
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20
|
150
|
105
|
75
|
55
|
16-2
|
4-14
|
275
|
140
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3/8
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25
|
160
|
115
|
85
|
65
|
16-2
|
4-14
|
285
|
160
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3/8
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|
32
|
180
|
135
|
100
|
78
|
18-2
|
4-18
|
302
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180
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1/2
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40
|
200
|
145
|
110
|
85
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18-3
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4-18
|
355
|
200
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1/2
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50
|
230
|
160
|
125
|
100
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20-3
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4-18
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362
|
240
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1/2
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65
|
290
|
180
|
145
|
120
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22-3
|
8-18
|
400
|
280
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1/2
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|
80
|
310
|
195
|
160
|
135
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22-3
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8-18
|
430
|
320
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1/2
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100
|
350
|
230
|
190
|
160
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24-3
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8-18
|
465
|
360
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1/2
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|
125
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400
|
270
|
220
|
188
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28-3
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8-23
|
550
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400
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1/2
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|
150
|
480
|
300
|
250
|
218
|
30-3
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8-25
|
700
|
400
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1/2
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|
200
|
600
|
360
|
310
|
278
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34-3
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12-25
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780
|
450
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1/2
|
|
250
|
730
|
425
|
370
|
335
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36-3
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12-30
|
900
|
550
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1/2
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BJ41W不锈钢保温截止阀4.0MPa主要连接尺寸
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型号
|
公称通径DNmm
|
尺寸
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|
L
|
D
|
D1
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D2
|
D6
|
B-f
|
Z-Φd
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H
|
2-G
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|
|
15
|
130
|
95
|
65
|
45
|
40
|
16-2
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4-14
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233
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3/8
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20
|
150
|
105
|
75
|
55
|
51
|
16-2
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4-14
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275
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3/8
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25
|
160
|
115
|
85
|
65
|
58
|
16-2
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4-14
|
285
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3/8
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32
|
180
|
135
|
100
|
78
|
66
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18-2
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4-18
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302
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1/2
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|
40
|
200
|
145
|
110
|
85
|
76
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18-3
|
4-18
|
355
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1/2
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50
|
230
|
160
|
125
|
100
|
88
|
20-3
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4-18
|
370
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1/2
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65
|
290
|
180
|
145
|
120
|
110
|
22-3
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8-18
|
408
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1/2
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80
|
310
|
195
|
160
|
135
|
121
|
22-3
|
8-18
|
436
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1/2
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|
100
|
350
|
230
|
190
|
160
|
150
|
24-3
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8-23
|
475
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1/2
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|
125
|
400
|
270
|
220
|
188
|
176
|
28-3
|
8-25
|
558
|
1/2
|
|
150
|
480
|
300
|
250
|
218
|
204
|
30-3
|
8-25
|
720
|
1/2
|
|
200
|
600
|
375
|
320
|
282
|
260
|
38-3
|
12-30
|
800
|
1/2
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BJ41W不锈钢保温截止阀6.4MPa主要连接尺寸
|
型号
|
公称通径DNmm
|
尺寸
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|
L
|
D
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D1
|
D2
|
D6
|
B-f
|
Z-Φd
|
H
|
2-G
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|
|
15
|
170
|
105
|
75
|
55
|
55
|
18-2
|
4-14
|
240
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3/8
|
|
20
|
190
|
125
|
90
|
68
|
68
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20-2
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4-14
|
280
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3/8
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25
|
210
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135
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100
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78
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78
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22-2
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4-14
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290
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3/8
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32
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230
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150
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110
|
82
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82
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24-2
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4-18
|
325
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1/2
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|
40
|
260
|
165
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125
|
95
|
95
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24-3
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4-18
|
360
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1/2
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|
50
|
300
|
175
|
135
|
105
|
105
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26-3
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4-18
|
410
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1/2
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|
65
|
340
|
200
|
160
|
130
|
130
|
28-3
|
8-18
|
430
|
1/2
|
|
80
|
380
|
210
|
170
|
140
|
140
|
30-3
|
8-18
|
465
|
1/2
|
|
100
|
430
|
250
|
200
|
168
|
168
|
32-3
|
8-18
|
537
|
1/2
|
|
125
|
500
|
295
|
240
|
202
|
202
|
36-3
|
8-23
|
630
|
1/2
|
|
150
|
550
|
340
|
280
|
240
|
240
|
38-3
|
8-25
|
790
|
1/2
|
|
200
|
650
|
405
|
345
|
300
|
300
|
44-3
|
12-25
|
910
|
1/2
|
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