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| 直流式保溫截止閥 |
| 產(chǎn)品型號(hào)：BJ45W |
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產(chǎn)品性能規(guī)范：
該閥適用于化工、化肥行業(yè)的管路上，夾套內(nèi)涵入蒸汽能防止介質(zhì)結(jié)晶。 |
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型號(hào)
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公稱(chēng)壓力PN(MPa)
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試驗(yàn)壓力
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適用溫度
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適用介質(zhì)
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保溫套壓力(MPa)
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殼體
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密封
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BJ45W-25P
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2.5
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3.75
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2.75
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≤200
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硝酸類(lèi)
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≤1.0
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BJ45W-40P
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4.0
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6.0
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4.4
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BJ45W-64P
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6.4
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9.0
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6.6
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BJ45W-25R
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2.5
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3.75
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2.75
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硝酸類(lèi)
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BJ45W-40R
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4.0
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3.0
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4.4
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BJ45W-64R
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6.4
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9.0
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6.6
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I型主要外形尺寸和連接尺寸(II型法蘭大一級(jí))：
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公稱(chēng)壓力PN
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公稱(chēng)通徑DN
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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
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D3
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B1
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fo
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B
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D6
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3-G
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Z-Φd
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H
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H1
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Do
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2.5
4.0
|
15
|
170
|
105
|
75
|
55
|
35
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8
|
4
|
16
|
51
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3/8
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4-Φ14
|
250
|
262
|
120
|
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20
|
190
|
115
|
85
|
65
|
42
|
8
|
4
|
16
|
58
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3/8
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4-Φ14
|
292
|
308
|
140
|
|
25
|
210
|
135
|
100
|
78
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50
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8
|
4
|
18
|
66
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3/8
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4-Φ18
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340
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375
|
160
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|
32
|
230
|
145
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110
|
85
|
60
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8
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4
|
18
|
76
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1/2
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4-Φ18
|
338
|
375
|
160
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40
|
260
|
160
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125
|
100
|
72
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8
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4
|
20
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88
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1/2
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4-Φ18
|
360
|
386
|
160
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50
|
300
|
180
|
145
|
120
|
94
|
8
|
4
|
22
|
110
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1/2
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8-Φ18
|
410
|
450
|
240
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|
65
|
340
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195
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160
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135
|
105
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8
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4
|
22
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121
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1/2
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8-Φ18
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440
|
485
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240
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|
80
|
380
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230
|
190
|
160
|
128
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11
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4.5
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24
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150
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1/2
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8-Φ23
|
540
|
600
|
280
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|
100
|
430
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270
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220
|
188
|
154
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11
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4.5
|
28
|
176
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1/2
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8-Φ25
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560
|
625
|
320
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|
125
|
490
|
300
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250
|
218
|
182
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11
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4.5
|
30
|
204
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1/2
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8-Φ25
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625
|
737
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360
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|
150
|
550
|
330
|
280
|
248
|
212
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11
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4.5
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32
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204
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1/2
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12-Φ25
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720
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790
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360
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主要零件材料：
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零件名稱(chēng)
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閥體、閥蓋
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閥瓣
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墊片
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BJ45W-25P、BJ45W-40P、BJ45W-64P
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鉻鎳鈦鋼
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鉻鎳鈦鋼+硬質(zhì)合金
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聚四氟乙烯
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BJ45W-25P、BJ45W-40P、BJ45W-64P
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鉻鎳鉬鈦鋼
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鉻鎳鉬鈦鋼+硬質(zhì)合金
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聚四氟乙烯
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