保温夹套直流式截止阀,保温夹套截止阀,直流式截止阀 ◆产品用途
保温截止阀主要用于石油、化工、冶金、制药等各类系统中，以输送常温下会凝固的高粘度介质
◆执行标准
设计与制造：BS1873 BS5160 GB12233
法兰尺寸：ANSIB16.5 JB/T79 GB9113
压力温度：ANSIB16.34
结构长度：ANSIB16.10 BS1873 GB12221
对焊连接尺寸：ANSIB16.25
检验与实验：BS6755 GB/T13927 |
产品性能规范： 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 | BJ41W-16P、R、C | 1.6 | 2.4 | 1.8 | ≤350 | 硝酸类 | ≤1.0 | BJ41W-25P、R、C | 2.5 | 3.8 | 2.8 | ≤350 | 硝酸类 | ≤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）：
型号 | 公称通径DNmm | 尺寸 | L | D | D1 | D2 | B-f | Z-Φd | H | Do | 2-G | | 15 | 130 | 95 | 65 | 45 | 16-2 | 4-14 | 170 | 170 | 3/8 | 20 | 150 | 105 | 75 | 55 | 16-2 | 4-14 | 190 | 190 | 3/8 | 25 | 160 | 115 | 85 | 65 | 16-2 | 4-14 | 205 | 205 | 3/8 | 32 | 180 | 135 | 100 | 78 | 18-2 | 4-18 | 270 | 270 | 1/2 | 40 | 200 | 145 | 110 | 85 | 18-3 | 4-18 | 310 | 310 | 1/2 | 50 | 230 | 160 | 125 | 100 | 18-3 | 4-18 | 358 | 358 | 1/2 | 65 | 290 | 180 | 145 | 120 | 18-3 | 4-18 | 373 | 373 | 1/2 | 80 | 310 | 195 | 160 | 135 | 20-3 | 8-18 | 435 | 435 | 1/2 | 100 | 350 | 215 | 180 | 155 | 20-3 | 8-18 | 500 | 500 | 1/2 | 125 | 400 | 245 | 210 | 185 | 22-3 | 8-18 | 614 | 614 | 1/2 | 150 | 480 | 280 | 240 | 210 | 24-3 | 8-23 | 674 | 674 | 1/2 | 200 | 600 | 335 | 295 | 264 | 26-3 | 12-23 | 818 | 818 | 1/2 | 250 | 730 | 405 | 355 | 320 | 30-3 | 12-25 | 949 | 969 | 1/2 |
型号 | 公称通径DNmm | 尺寸 | L | D | D1 | D2 | B-f | Z-Φd | H | Do | 2-G | | 15 | 130 | 95 | 65 | 45 | 16-2 | 4-14 | 233 | 120 | 3/8 | 20 | 150 | 105 | 75 | 55 | 16-2 | 4-14 | 275 | 140 | 3/8 | 25 | 160 | 115 | 85 | 65 | 16-2 | 4-14 | 285 | 160 | 3/8 | 32 | 180 | 135 | 100 | 78 | 18-2 | 4-18 | 302 | 180 | 1/2 | 40 | 200 | 145 | 110 | 85 | 18-3 | 4-18 | 355 | 200 | 1/2 | 50 | 230 | 160 | 125 | 100 | 20-3 | 4-18 | 362 | 240 | 1/2 | 65 | 290 | 180 | 145 | 120 | 22-3 | 8-18 | 400 | 280 | 1/2 | 80 | 310 | 195 | 160 | 135 | 22-3 | 8-18 | 430 | 320 | 1/2 | 100 | 350 | 230 | 190 | 160 | 24-3 | 8-18 | 465 | 360 | 1/2 | 125 | 400 | 270 | 220 | 188 | 28-3 | 8-23 | 550 | 400 | 1/2 | 150 | 480 | 300 | 250 | 218 | 30-3 | 8-25 | 700 | 400 | 1/2 | 200 | 600 | 360 | 310 | 278 | 34-3 | 12-25 | 780 | 450 | 1/2 | 250 | 730 | 425 | 370 | 335 | 36-3 | 12-30 | 900 | 550 | 1/2 |
型号 | 公称通径DNmm | 尺寸 | L | D | D1 | D2 | D6 | B-f | Z-Φd | H | 2-G | | 15 | 130 | 95 | 65 | 45 | 40 | 16-2 | 4-14 | 233 | 3/8 | 20 | 150 | 105 | 75 | 55 | 51 | 16-2 | 4-14 | 275 | 3/8 | 25 | 160 | 115 | 85 | 65 | 58 | 16-2 | 4-14 | 285 | 3/8 | 32 | 180 | 135 | 100 | 78 | 66 | 18-2 | 4-18 | 302 | 1/2 | 40 | 200 | 145 | 110 | 85 | 76 | 18-3 | 4-18 | 355 | 1/2 | 50 | 230 | 160 | 125 | 100 | 88 | 20-3 | 4-18 | 370 | 1/2 | 65 | 290 | 180 | 145 | 120 | 110 | 22-3 | 8-18 | 408 | 1/2 | 80 | 310 | 195 | 160 | 135 | 121 | 22-3 | 8-18 | 436 | 1/2 | 100 | 350 | 230 | 190 | 160 | 150 | 24-3 | 8-23 | 475 | 1/2 | 125 | 400 | 270 | 220 | 188 | 176 | 28-3 | 8-25 | 558 | 1/2 | 150 | 480 | 300 | 250 | 218 | 204 | 30-3 | 8-25 | 720 | 1/2 | 200 | 600 | 375 | 320 | 282 | 260 | 38-3 | 12-30 | 800 | 1/2 |
型号 | 公称通径DNmm | 尺寸 | L | D | D1 | D2 | D6 | B-f | Z-Φd | H | 2-G | | 15 | 170 | 105 | 75 | 55 | 55 | 18-2 | 4-14 | 240 | 3/8 | 20 | 190 | 125 | 90 | 68 | 68 | 20-2 | 4-14 | 280 | 3/8 | 25 | 210 | 135 | 100 | 78 | 78 | 22-2 | 4-14 | 290 | 3/8 | 32 | 230 | 150 | 110 | 82 | 82 | 24-2 | 4-18 | 325 | 1/2 | 40 | 260 | 165 | 125 | 95 | 95 | 24-3 | 4-18 | 360 | 1/2 | 50 | 300 | 175 | 135 | 105 | 105 | 26-3 | 4-18 | 410 | 1/2 | 65 | 340 | 200 | 160 | 130 | 130 | 28-3 | 8-18 | 430 | 1/2 | 80 | 380 | 210 | 170 | 140 | 140 | 30-3 | 8-18 | 465 | 1/2 | 100 | 430 | 250 | 200 | 168 | 168 | 32-3 | 8-18 | 537 | 1/2 | 125 | 500 | 295 | 240 | 202 | 202 | 36-3 | 8-23 | 630 | 1/2 | 150 | 550 | 340 | 280 | 240 | 240 | 38-3 | 8-25 | 790 | 1/2 | 200 | 650 | 405 | 345 | 300 | 300 | 44-3 | 12-25 | 910 | 1/2 |
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订货须知
1.产品型号与名称 2.公称通径DN（mm） 3.公称压力,4连接法兰标准
5.阀体材质 6.介质种类和温度范围 7.额定流量系数
8.是否带夹套保温 9.其它特殊要求
