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BJ41W保温截止阀
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BJ41W保温截止阀
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产品型号：BJ41W
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产品性能规范：
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型号
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公称压力PN(MPa)
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试验压力
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适用温度
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适用介质
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保温套压力(MPa)
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壳体
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密封
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BJ41W-16P、R、C
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1.6
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2.4
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1.8
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≤350
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硝酸类
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≤1.0
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BJ41W-25P、R、C
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2.5
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3.8
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2.8
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≤350
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硝酸类
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≤1.0
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I型主要外形尺寸和连接尺寸(II型法兰大一级)：
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型号
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公称通径DNmm
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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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B-f
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Z-Φd
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H
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Do
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2-G
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15
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130
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95
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65
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45
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16-2
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4-14
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170
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170
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3/8
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20
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150
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105
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75
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55
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16-2
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4-14
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190
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190
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3/8
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25
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160
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115
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85
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65
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16-2
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4-14
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205
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205
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3/8
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32
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180
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135
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100
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78
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18-2
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4-18
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270
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270
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1/2
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40
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200
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145
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110
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85
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18-3
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4-18
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310
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310
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1/2
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50
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230
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160
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125
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100
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18-3
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4-18
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358
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358
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1/2
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65
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290
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180
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145
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120
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18-3
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4-18
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373
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373
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1/2
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80
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310
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195
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160
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135
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20-3
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8-18
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435
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435
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1/2
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100
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350
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215
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180
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155
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20-3
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8-18
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500
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500
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1/2
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125
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400
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245
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210
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185
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22-3
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8-18
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614
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614
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1/2
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150
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480
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280
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240
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210
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24-3
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8-23
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674
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674
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1/2
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200
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600
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335
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295
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264
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26-3
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12-23
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818
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818
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1/2
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250
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730
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405
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355
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320
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30-3
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12-25
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949
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969
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1/2
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型号
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公称通径DNmm
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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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B-f
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Z-Φd
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H
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Do
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2-G
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15
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130
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95
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65
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45
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16-2
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4-14
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233
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120
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3/8
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20
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150
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105
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75
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55
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16-2
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4-14
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275
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140
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3/8
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25
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160
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115
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85
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65
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16-2
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4-14
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285
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160
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3/8
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32
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180
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135
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100
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78
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18-2
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4-18
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302
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180
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1/2
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40
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200
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145
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110
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85
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18-3
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4-18
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355
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200
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1/2
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50
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230
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160
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125
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100
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20-3
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4-18
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362
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240
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1/2
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65
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290
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180
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145
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120
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22-3
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8-18
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400
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280
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1/2
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80
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310
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195
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160
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135
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22-3
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8-18
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430
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320
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1/2
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100
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350
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230
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190
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160
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24-3
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8-18
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465
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360
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1/2
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125
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400
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270
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220
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188
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28-3
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8-23
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550
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400
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1/2
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150
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480
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300
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250
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218
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30-3
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8-25
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700
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400
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1/2
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200
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600
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360
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310
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278
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34-3
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12-25
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780
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450
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1/2
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250
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730
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425
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370
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335
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36-3
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12-30
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900
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550
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1/2
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型号
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公称通径DNmm
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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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D6
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B-f
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Z-Φd
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H
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2-G
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15
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130
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95
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65
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45
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40
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16-2
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4-14
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233
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3/8
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20
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150
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105
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75
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55
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51
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16-2
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4-14
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275
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3/8
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25
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160
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115
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85
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65
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58
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16-2
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4-14
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285
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3/8
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32
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180
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135
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100
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78
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66
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18-2
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4-18
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302
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1/2
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40
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200
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145
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110
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85
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76
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18-3
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4-18
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355
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1/2
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50
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230
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160
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125
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100
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88
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20-3
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4-18
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370
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1/2
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65
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290
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180
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145
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120
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110
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22-3
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8-18
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408
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1/2
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80
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310
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195
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160
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135
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121
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22-3
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8-18
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436
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1/2
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100
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350
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230
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190
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160
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150
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24-3
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8-23
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475
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1/2
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125
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400
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270
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220
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188
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176
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28-3
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8-25
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558
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1/2
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150
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480
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300
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250
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218
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204
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30-3
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8-25
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720
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1/2
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200
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600
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375
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320
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282
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260
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38-3
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12-30
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800
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1/2
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型号
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公称通径DNmm
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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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D6
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B-f
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Z-Φd
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H
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2-G
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15
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170
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105
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75
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55
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55
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18-2
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4-14
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240
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3/8
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20
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190
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125
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90
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68
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68
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20-2
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4-14
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280
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3/8
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25
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210
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135
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100
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78
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78
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22-2
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4-14
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290
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3/8
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32
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230
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150
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110
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82
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82
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24-2
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4-18
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325
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1/2
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40
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260
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165
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125
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95
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95
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24-3
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4-18
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360
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1/2
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50
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300
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175
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135
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105
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105
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26-3
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4-18
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410
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1/2
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65
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340
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200
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160
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130
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130
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28-3
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8-18
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430
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1/2
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80
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380
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210
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170
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140
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140
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30-3
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8-18
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465
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1/2
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100
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430
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250
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200
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168
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168
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32-3
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8-18
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537
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1/2
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125
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500
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295
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240
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202
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202
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36-3
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8-23
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630
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1/2
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150
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550
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340
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280
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240
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240
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38-3
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8-25
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790
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1/2
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200
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650
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405
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345
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300
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300
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44-3
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12-25
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910
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1/2
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