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BJ45H直流式保溫截止閥
該閥適用于化工、化肥行業的管路上，夾套內涵入蒸汽能防止介質結晶。
主要零件材料
|
零件名稱
|
閥體、閥蓋
|
閥瓣
|
墊片
|
|
BJ45W-25P、BJ45W-40P、BJ45W-64P
|
鉻鎳鈦鋼
|
鉻鎳鈦鋼+硬質合金
|
聚四氟乙烯
|
|
BJ45W-25P、BJ45W-40P、BJ45W-64P
|
鉻鎳鉬鈦鋼
|
鉻鎳鉬鈦鋼+硬質合金
|
聚四氟乙烯
|
|
型號
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公稱壓力PN(MPa)
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試驗壓力
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適用溫度
|
適用介質
|
保溫套壓力(MPa)
|
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殼體
|
密封
|
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BJ45W-25P
|
2.5
|
3.75
|
2.75
|
≤200
|
硝酸類
|
≤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
|
硝酸類
|
|
BJ45W-40R
|
4.0
|
3.0
|
4.4
|
|
BJ45W-64R
|
6.4
|
9.0
|
6.6
|
|
公稱壓力PN
|
公稱通徑DN
|
尺寸
|
|
L
|
D
|
D1
|
D2
|
D3
|
B1
|
fo
|
B
|
D6
|
3-G
|
Z-Φd
|
H
|
H1
|
Do
|
2.5
4.0
|
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
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