BJ45H、BJ45Y、BJ45W 型 PN16~PN40 保温夹套直流式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。
执行标准
设计与制造：BS1873 BS5160 GB12233
法兰尺寸：ANSIB16.5 JB/T79 GB9113
压力温度：ANSIB16.34
结构长度：ANSIB16.10 BS1873 GB12221
对焊连接尺寸：ANSIB16.25
检验与实验：BS6755 GB/T13927对焊连接尺寸：ANSIB16.25
检验与实验：BS6755 GB/T13927
连接尺寸
|
公称通径 |
尺寸 |
|
L |
D |
D1 |
D2 |
b |
3-G |
Z-d |
H |
D0 |
|
BJ41W |
|
15 |
130 |
105 |
75 |
55 |
14 |
3/8 |
4-14 |
175 |
180 |
|
20 |
150 |
115 |
85 |
68 |
14 |
3/8 |
4-14 |
185 |
180 |
|
25 |
160 |
135 |
100 |
78 |
16 |
3/8 |
4-18 |
210 |
200 |
|
32 |
180 |
145 |
110 |
85 |
16 |
3/8 |
4-18 |
350 |
200 |
|
40 |
200 |
160 |
125 |
100 |
16 |
3/8 |
4-18 |
360 |
200 |
|
50 |
250 |
180 |
145 |
120 |
18 |
1/2 |
4-18 |
380 |
240 |
|
65 |
265 |
195 |
160 |
135 |
20 |
1/2 |
8-18 |
440 |
240 |
|
80 |
280 |
215 |
180 |
155 |
20 |
1/2 |
8-18 |
510 |
280 |
|
100 |
300 |
245 |
210 |
185 |
22 |
1/2 |
8-18 |
620 |
320 |
|
125 |
325 |
280 |
240 |
210 |
24 |
1/2 |
8-23 |
680 |
360 |
|
150 |
350 |
335 |
295 |
265 |
26 |
1/2 |
12-23 |
818 |
360 |
|
200 |
400 |
405 |
355 |
320 |
30 |
1/2 |
12-25 |
1200 |
400 |
|
250 |
450 |
460 |
410 |
375 |
30 |
1/2 |
12-25 |
1450 |
450 |
|
300 |
500 |
520 |
470 |
435 |
34 |
1/2 |
16-25 |
1600 |
500 |
