相关资讯
销售热线:0577-67952199
销售热线:0577-67358500
公司邮箱:qgvacc@163.com
公司地址:浙江省永嘉县瓯北镇安丰工业区-
产品详情
-
联系我们
DJ41W低温截止阀
|
产品型号:DJ41W/DJ41Y
|
公称压力:PN10-160MPa/Class150-2500LB
|
适用温度:-196℃~200℃
|
适用介质:液化天然气、液化石油气、液氮、液氨等
|
产品简介
----------------------------------------------------------------------
低温截止阀用于-196°C工作温度的低温环境中。这种类型的阀门广泛应用于低温工业应用,如液化天然气、液化石油气和空气隔离。低温截止阀工作原理在低温工作的材料要保证其低温性能,主要是保证其冷冲击强度。阀内件必须通过正确选材,使其具有足够的冷冲击强度,才能防止断裂。C和Cr的合金钢在低于-20℃时候很快失去抗冲击强度,所以使用温度分别限制在-30℃和-50℃。含Ni量为3.5%的镍钢可以使用到-100℃,含Ni量9%的镍钢可以使用到-196℃。奥氏体不锈钢、镍、蒙乃尔合金、哈氏合金、钛、铝合金及青铜可以使用到更低的温度(-273℃)。低温截止阀产品特点:
1、阀门在低温介质及周围环境温度下应具有长时间工作的能力。
2、阀门不应成为低温系统的一个显著热源。这是因为热量的流入除降低热效率外,如流入过多,还会使内部流体急速蒸发,产生异常升压,造成危险。
3、低温介质不应对手轮操作及填料密封性能产生有害的影响。
4、直接与低温介质接触的阀门组合件应具有防爆和防火结构。
5、在低温下工作的阀门组合件无法润滑,所以需要采取结构措施,以防止摩擦件擦伤。
低温截止阀产品执行标准
产品规范 Product specification |
设计与制造 Design manufacture |
结构长度 Structure length |
法兰尺寸 Flange size |
检验与实验 Inspection experiment |
JB/T7749-95 |
ANSI B16.10 GB/T 12221 |
ANSI B16.5 HG 20592 |
API 598 GB/T 13927 |
低温截止阀主要外形结构尺寸
美标低温截止阀尺寸
磅级 Class |
规格 Size | 尺寸 Dimension | ||||||||
L | D | D1 | D2 | b | f | Z-d0 | ||||
DN | NPS | RF | RTJ | |||||||
150LB | 15 | 1/2 | 108 | 119 | 89 | 60.5 | 35 | 11.5 | 1.6 | 4-15 |
20 | 3/4 | 117 | 130 | 98 | 70 | 43 | 11.5 | 1.6 | 4-15 | |
25 | 1 | 127 | 140 | 108 | 79.5 | 51 | 12 | 1.6 | 4-15 | |
32 | 1-1/4 | 140 | 153 | 117 | 89 | 64 | 13 | 1.6 | 4-15 | |
40 | 1-1/2 | 165 | 178 | 127 | 98.5 | 73 | 15 | 1.6 | 4-15 | |
50 | 2 | 203 | 216 | 152 | 120.5 | 92 | 16 | 1.6 | 4-19 | |
65 | 2-1/2 | 216 | 229 | 178 | 139.7 | 105 | 18 | 1.6 | 4-19 | |
80 | 3 | 241 | 254 | 190 | 152.5 | 127 | 19 | 1.6 | 4-19 | |
100 | 4 | 292 | 305 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | |
125 | 5 | 356 | 369 | 254 | 215.9 | 186 | 24 | 1.6 | 8-22 | |
150 | 6 | 406 | 419 | 279 | 241.5 | 261 | 26 | 1.6 | 8-22 | |
200 | 8 | 495 | 508 | 343 | 298.5 | 270 | 29 | 1.6 | 8-22 | |
250 | 10 | 622 | 635 | 406 | 362 | 324 | 31 | 1.6 | 12-25 | |
300 | 12 | 698 | 711 | 483 | 431.8 | 381 | 31.8 | 1.6 | 12-25 | |
300LB | 15 | 1/2 | 152 | 164 | 95 | 66.5 | 35 | 14.3 | 1.6 | 4-15 |
20 | 3/4 | 178 | 191 | 117 | 82.5 | 43 | 15.9 | 1.6 | 4-19 | |
25 | 1 | 203 | 216 | 124 | 89 | 51 | 17.5 | 1.6 | 4-19 | |
32 | 1-1/4 | 216 | 229 | 133 | 98.5 | 64 | 19.1 | 1.6 | 4-19 | |
40 | 1-1/2 | 229 | 241 | 156 | 114.5 | 73 | 20.7 | 1.6 | 4-22 | |
50 | 2 | 267 | 283 | 165 | 127 | 92 | 22 | 1.6 | 8-19 | |
65 | 2-1/2 | 292 | 308 | 190 | 149 | 105 | 25 | 1.6 | 8-22 | |
80 | 3 | 318 | 333 | 210 | 168 | 170 | 29 | 1.6 | 8-22 | |
100 | 4 | 356 | 371 | 254 | 200 | 157 | 32 | 1.6 | 8-22 | |
125 | 5 | 400 | 416 | 279 | 235 | 186 | 35 | 1.6 | 8-22 | |
150 | 6 | 444 | 460 | 318 | 270 | 216 | 37 | 1.6 | 12-22 | |
200 | 8 | 559 | 575 | 381 | 330 | 270 | 41 | 1.6 | 12-25 | |
250 | 10 | 622 | 638 | 444 | 387.4 | 324 | 47.6 | 1.6 | 16-28.5 | |
300 | 12 | 711 | 727 | 521 | 450.8 | 381 | 50.8 | 1.6 | 16-31.8 | |
600LB | 15 | 1/2 | 165 | 168 | 95 | 66.5 | 35 | 14.3 | 6.4 | 4-16 |
20 | 3/4 | 190 | 193 | 118 | 82.5 | 43 | 15.9 | 6.4 | 4-19 | |
25 | 1 | 216 | 219 | 124 | 89 | 51 | 17.5 | 6.4 | 4-19 | |
32 | 1-1/4 | 229 | 232 | 133 | 98.5 | 64 | 21 | 6.4 | 4-19 | |
40 | 1-1/2 | 241 | 243 | 156 | 114.5 | 73 | 22.3 | 6.4 | 4-22 | |
50 | 2 | 292 | 295 | 165 | 127 | 92 | 25.4 | 6.4 | 8-19 | |
65 | 2-1/2 | 330 | 333 | 190 | 149 | 105 | 29 | 6.4 | 8-22 | |
80 | 3 | 356 | 359 | 210 | 168 | 127 | 32 | 6.4 | 8-22 | |
100 | 4 | 432 | 435 | 273 | 216 | 157.2 | 38.5 | 6.4 | 8-25 | |
125 | 5 | 508 | 511 | 330 | 266.7 | 185.7 | 44.5 | 6.4 | 8-28.5 | |
150 | 6 | 559 | 562 | 356 | 292.1 | 215.9 | 47.8 | 6.4 | 12-28.5 | |
200 | 8 | 660 | 664 | 419 | 349.2 | 269.5 | 55.6 | 6.4 | 12-31.8 | |
900LB | 50 | 2 | 368 | 371 | 216 | 165.1 | 92 | 38.5 | 6.4 | 8-26 |
65 | 2-1/2 | 419 | 422 | 244 | 190.5 | 105 | 41.5 | 6.4 | 8-29 | |
80 | 3 | 381 | 384 | 241 | 190.5 | 127 | 38.5 | 6.4 | 8-26 | |
100 | 4 | 457 | 460 | 292 | 234.9 | 157.2 | 44.5 | 6.4 | 8-32 | |
125 | 5 | 559 | 562 | 349 | 279.4 | 185.7 | 51 | 6.4 | 8-35 | |
150 | 6 | 610 | 613 | 381 | 317.5 | 215.9 | 56 | 6.4 | 12-32 |
压力级 MPa |
公称通径 DN |
尺寸 Dimension | ||||||
L | D | D1 | D2 | b | f | Z-d | ||
1.6MPa | 15 | 130 | 95 | 65 | 45 | 14 | 2 | 4-14 |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | |
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | |
40 | 200 | 145 | 110 | 85 | 18 | 2 | 4-18 | |
50 | 230 | 160 | 125 | 100 | 20 | 3 | 4-18 | |
65 | 290 | 180 | 145 | 120 | 20 | 3 | 4-18 | |
80 | 310 | 195 | 160 | 135 | 20 | 3 | 8-18 | |
100 | 350 | 215 | 180 | 155 | 22 | 3 | 8-18 | |
125 | 400 | 245 | 210 | 185 | 22 | 3 | 8-18 | |
150 | 480 | 280 | 240 | 210 | 24 | 3 | 8-23 | |
200 | 600 | 335 | 295 | 265 | 26 | 3 | 12-23 | |
250 | 650 | 405 | 355 | 320 | 28 | 3 | 12-25 | |
300 | 750 | 460 | 410 | 375 | 30 | 4 | 12-25 | |
2.5MPa | 15 | 130 | 95 | 65 | 45 | 14 | 2 | 4-14 |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | |
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | |
40 | 200 | 145 | 110 | 85 | 18 | 2 | 4-18 | |
50 | 230 | 160 | 125 | 100 | 22 | 3 | 4-18 | |
65 | 290 | 180 | 145 | 120 | 22 | 3 | 8-18 | |
80 | 310 | 195 | 160 | 135 | 24 | 3 | 8-18 | |
100 | 350 | 230 | 190 | 160 | 26 | 3 | 8-23 | |
125 | 400 | 270 | 220 | 188 | 26 | 3 | 8-25 | |
150 | 480 | 300 | 250 | 218 | 28 | 3 | 8-25 | |
200 | 600 | 360 | 310 | 278 | 30 | 3 | 12-25 | |
250 | 650 | 425 | 370 | 332 | 32 | 3 | 12-30 | |
300 | 750 | 485 | 430 | 390 | 34 | 4 | 16-30 | |
4.0MPa | 15 | 130 | 95 | 65 | 45 | 14 | 2 | 4-14 |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | |
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | |
40 | 200 | 145 | 110 | 85 | 18 | 2 | 4-18 | |
50 | 230 | 160 | 125 | 100 | 20 | 3 | 4-18 | |
65 | 290 | 180 | 145 | 120 | 22 | 3 | 8-18 | |
80 | 310 | 195 | 160 | 135 | 24 | 3 | 8-18 | |
100 | 350 | 230 | 190 | 160 | 24 | 3 | 8-23 | |
125 | 400 | 270 | 220 | 188 | 26 | 3 | 8-25 | |
150 | 480 | 300 | 250 | 218 | 28 | 3 | 8-25 | |
200 | 600 | 375 | 320 | 282 | 34 | 3 | 12-30 | |
6.4MPa | 15 | 170 | 105 | 75 | 55 | 18 | 2 | 4-14 |
20 | 190 | 125 | 90 | 68 | 20 | 2 | 4-14 | |
25 | 210 | 135 | 100 | 78 | 22 | 2 | 4-18 | |
32 | 230 | 150 | 110 | 82 | 24 | 2 | 4-18 | |
40 | 260 | 165 | 125 | 95 | 24 | 2 | 4-23 | |
50 | 300 | 175 | 135 | 105 | 26 | 3 | 4-23 | |
65 | 340 | 200 | 160 | 130 | 26 | 3 | 8-23 | |
80 | 380 | 210 | 170 | 140 | 28 | 3 | 8-23 | |
100 | 430 | 250 | 200 | 168 | 30 | 3 | 8-25 | |
125 | 500 | 295 | 240 | 202 | 34 | 3 | 8-30 | |
150 | 550 | 340 | 280 | 240 | 36 | 3 | 8-34 | |
200 | 650 | 405 | 345 | 300 | 42 | 3 | 12-34 |
此文关键词:低温截止阀
订购:DJ41W低温截止阀