电动对夹硬密封蝶阀产品概述
电动对夹硬密封蝶阀采用精密的U形弹性密封圈和三偏心多层次金属硬密封结构,被广泛用于介质温度小于或等于425℃的治金、电力、石油化工、以及给排水和市政建设等工业管道上,作调节流量和截断流体使用。该阀采用三偏心结构,阀座与板密封面均采用铸钢和不锈钢制作,具有良好的耐腐蚀性,使用寿命长,本阀均有双向密封功能,产品符合国家GB/T13927-92阀门压力试验标准。
产品特点
1.本阀采用三偏心密封结构,阀座与蝶板几乎无磨损,具有越关越紧的密封功能。
2.密封圈选用不锈钢制作,具有金属硬密封和弹性密封的双重优点,无论在低温和高温的情况下,均 具有优良的密封性能.具有耐腐蚀。使用寿命长等特点。
3.蝶板密封面采用堆焊钴基硬质合金,密封面耐磨损,使用寿命长。
4.本阀具有双向密封功能,安装时不受介质流向的限制,也不受空间位置的影响,可在任何方向安装。
5.驱动装置可以多工位(旋转90度或180度)安装,便于用户使用。
主要性能规范
公称通径DN(mm) | 50-600 | ||||
公称压力PN(Mpa) | 1.0 | 1.6 | |||
公称压力PS(Mpa) | 强度试验 | 1.5 | 2.4 | ||
密封试验 | 1.1 | 1.76 | |||
材料/材料代号 | C | P | R | ||
主要零件 | 阀体 | WCB | ZG1Cr18Ni9Ti | ZG0Cr18Ni12Mo2Ti | |
蝶板 | WCB | ZG1Cr18Ni9Ti | ZG0Cr18Ni12Mo2Ti | ||
阀杆 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12M02Ti | ||
密封圈 | 四氟不锈钢 | ||||
填料 | 四氟 柔性石墨 | ||||
适用工况 | 适用介质 | 水 蒸汽 油品 | 硝酸类 | 醋酸类 | |
适用温度 | 适用温度碳钢:29°-425°不锈钢-41°-600° |
公称通径 | 外形尺寸(参考值) | 连接尺寸(参考值) | ||||||||
PN1.0Mpa | PN1.6Mpa | |||||||||
毫米 | 英寸 | L | H1 | H | D2 | D1 | Z-Φd | D2 | D1 | Z-Φd |
50 | 2 | 161 | 215 | 85 | 82 | 125 | 4-18 | 82 | 125 | 4-18 |
65 | 21/2 | 188 | 280 | 90 | 95 | 145 | 4-18 | 95 | 145 | 4-18 |
80 | 3 | 188 | 285 | 100 | 108 | 160 | 4-18 | 108 | 160 | 4-18 |
100 | 4 | 268 | 310 | 120 | 125 | 180 | 4-18 | 125 | 180 | 4-18 |
125 | 5 | 268 | 310 | 130 | 138 | 210 | 4-18 | 138 | 210 | 4-18 |
150 | 6 | 268 | 315 | 160 | 198 | 240 | 4-22 | 198 | 240 | 4-22 |
200 | 8 | 268 | 380 | 210 | 236 | 295 | 4-22 | 236 | 295 | 4-22 |
250 | 10 | 268 | 460 | 250 | 276 | 350 | 4-22 | 276 | 355 | 4-22 |
300 | 12 | 268 | 475 | 250 | 300 | 400 | 4-22 | 308 | 410 | 4-22 |
350 | 14 | 268 | 510 | 320 | 332 | 460 | 4-22 | 340 | 470 | 4-22 |
400 | 16 | 268 | 550 | 350 | 366 | 515 | 4-26 | 374 | 525 | 4-26 |
450 | 18 | 268 | 590 | 380 | 366 | 565 | 4-26 | 384 | 585 | 4-26 |
注:以上选配参数仅供参考,具体以实际情况为准!
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