夾套保溫截止閥的啟閉件是塞形的閥瓣，密封面呈平面或錐面，閥瓣沿流體的中心線作直線運動。閥桿的運動形式，有升降桿式(閥桿升降，手輪不升降)，也有升降旋轉(zhuǎn)桿式(手輪與閥桿一起旋轉(zhuǎn)升降，螺母設(shè)在閥體上)。截止閥只適用于全開和全關(guān)，不允許作調(diào)節(jié)和節(jié)流。
夾套保溫截止閥具有保溫,保冷特性,適用于石油,化工,冶金,制藥等行業(yè).
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產(chǎn)品型號
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閥體、閥蓋
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閥 瓣
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填 料
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BJ45W-25P、BJ45W-40P、BJ45W-64P
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ZG1Cr18Ni9Ti
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1Cr18Ni9Ti
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PTFE
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聚四乙稀
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BJ45W-25P/R、BJ45W-40P、BJ45W-64P
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ZG1Cr18Ni12Mo2Ti
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1Cr18Ni12Mo2Ti
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PTFE
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聚四乙稀
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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
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適用介質(zhì)
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保溫套壓力
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shell
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seal
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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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Acetic urea
1
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≤1.3
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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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Acetic urea
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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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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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公稱壓力
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公稱通徑
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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
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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
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250
|
262
|
120
|
|
20
|
190
|
115
|
115
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65
|
42
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8
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4
|
16
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58
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3/8
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4-Φ14
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292
|
308
|
140
|
|
25
|
210
|
135
|
135
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78
|
50
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8
|
4
|
18
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66
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3/8
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4-Φ18
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340
|
375
|
160
|
|
32
|
230
|
145
|
145
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85
|
60
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8
|
4
|
18
|
76
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3/8
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4-Φ18
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338
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375
|
160
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2.5
4.0
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40
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260
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160
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125
|
100
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72
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8
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4
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20
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65
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1/2
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4-Φ18
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360
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386
|
160
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|
50
|
300
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180
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145
|
120
|
94
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8
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4
|
22
|
88
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1/2
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8-Φ18
|
410
|
450
|
240
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|
65
|
340
|
195
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160
|
130
|
105
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8
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4
|
22
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110
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1/2
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8-Φ18
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440
|
485
|
240
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|
80
|
380
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230
|
190
|
160
|
128
|
11
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4.5
|
24
|
121
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1/2
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8-Φ23
|
540
|
600
|
280
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|
100
|
430
|
270
|
220
|
188
|
154
|
11
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4.5
|
28
|
150
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1/2
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8-Φ25
|
560
|
625
|
320
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|
125
|
|
300
|
250
|
218
|
182
|
11
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4.5
|
30
|
176
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1/2
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8-Φ25
|
625
|
737
|
360
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|
150
|
550
|
330
|
280
|
248
|
2
|
11
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4.5
|
32
|
204
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1/2
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12-Φ25
|
720
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790
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360
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6.4
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25
|
235
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160
|
125
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8
|
50
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8
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4
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22
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1/2
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4-Φ18
|
375
|
375
|
160
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|
32
|
260
|
165
|
125
|
88
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60
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8
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4
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24
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1/2
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4-Φ23
|
383
|
383
|
160
|
|
50
|
300
|
200
|
160
|
130
|
|
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4
|
26
|
110
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1/2
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8-Φ23
|
450
|
450
|
240
|
|
65
|
340
|
210
|
170
|
140
|
|
|
4
|
30
|
121
|
1/2
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8-Φ23
|
510
|
510
|
240
|
|
100
|
430
|
270
|
220
|
188
|
154
|
154
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4.5
|
36
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1/2
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8-Φ25
|
670
|
670
|
400
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|
100
|
415
|
300
|
250
|
218
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|
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4.5
|
32
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1/2
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8-Φ25
|
670
|
670
|
400
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