BJ45W保温截止阀产品性能规范 该阀适用于化工、化肥行业的管路上，夹套内涵入蒸汽能防止介质结晶。
| 主要零件材料 |
| 零件名称 | 阀体、阀盖 | 阀瓣 | 垫片 | |
| BJ45W-25P、BJ45W-40P、BJ45W-64P | 铬镍钛钢 | 铬镍钛钢+硬质合金 | 聚四氟乙烯 | |
| BJ45W-25P、BJ45W-40P、BJ45W-64P | 铬镍钼钛钢 | 铬镍钼钛钢+硬质合金 | 聚四氟乙烯 | |
| 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 | |||||
| BJ45W-25P | 2.5 | 3.75 | 2.75 | ≤200 | 硝酸类 | ≤1.0 |
| BJ45W-40P | 4.0 | 6.0 | 4.4 | |||
| BJ45W-64P | 6.4 | 9.0 | 6.6 | |||
| BJ45W-25R | 2.5 | 3.75 | 2.75 | 硝酸类 | ||
| BJ45W-40R | 4.0 | 3.0 | 4.4 | |||
| BJ45W-64R | 6.4 | 9.0 | 6.6 | |||
| I型主要外形尺寸和连接尺寸(II型法兰大一级) |
|
公称压力PN |
公称通径DN |
尺寸 |
|||||||||||||
|
L |
D |
D1 |
D2 |
D3 |
B1 |
fo |
B |
D6 |
3-G |
Z-Φd |
H |
H1 |
Do |
||
|
2.5 |
15 |
170 |
105 |
75 |
55 |
35 |
8 |
4 |
16 |
51 |
3/8 |
4-Φ14 |
250 |
262 |
120 |
|
20 |
190 |
115 |
85 |
65 |
42 |
8 |
4 |
16 |
58 |
3/8 |
4-Φ14 |
292 |
308 |
140 |
|
|
25 |
210 |
135 |
100 |
78 |
50 |
8 |
4 |
18 |
66 |
3/8 |
4-Φ18 |
340 |
375 |
160 |
|
|
32 |
230 |
145 |
110 |
85 |
60 |
8 |
4 |
18 |
76 |
1/2 |
4-Φ18 |
338 |
375 |
160 |
|
|
40 |
260 |
160 |
125 |
100 |
72 |
8 |
4 |
20 |
88 |
1/2 |
4-Φ18 |
360 |
386 |
160 |
|
|
50 |
300 |
180 |
145 |
120 |
94 |
8 |
4 |
22 |
110 |
1/2 |
8-Φ18 |
410 |
450 |
240 |
|
|
65 |
340 |
195 |
160 |
135 |
105 |
8 |
4 |
22 |
121 |
1/2 |
8-Φ18 |
440 |
485 |
240 |
|
|
80 |
380 |
230 |
190 |
160 |
128 |
11 |
4.5 |
24 |
150 |
1/2 |
8-Φ23 |
540 |
600 |
280 |
|
|
100 |
430 |
270 |
220 |
188 |
154 |
11 |
4.5 |
28 |
176 |
1/2 |
8-Φ25 |
560 |
625 |
320 |
|
|
125 |
490 |
300 |
250 |
218 |
182 |
11 |
4.5 |
30 |
204 |
1/2 |
8-Φ25 |
625 |
737 |
360 |
|
|
150 |
550 |
330 |
280 |
248 |
212 |
11 |
4.5 |
32 |
204 |
1/2 |
12-Φ25 |
720 |
790 |
360 |
|