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闸阀又称闸板阀或闸门阀，应用最广泛的一种阀门。它是通过闸板的升降来控制阀门的启闭，闸板垂直于流体方向，改变闸板与阀座间相对位置即可改变通道大小。闸阀具有以下优点：1、流体阻力小,密封面受介质的忡刷和侵蚀小。2、开闭较省力。3、介质流向不受限制,不扰流、不降低压力。4、形体简单,结构长度短，制造工艺性好，适用范围广。
Z944H双闸板闸阀
| 设计与制造 | GB/T12234JB/T3595 |
| 结构长度 | GB/T12221 |
| 法兰连接尺寸 | GB9113JB/T79 |
| 检验与试验 | JB/T3595JB/T9092 |
| 压力与温度基准 | JB/T3595ANSIB16.34 |
产品性能规范
| 公称压力 | 100 | |
| 强度试验 | MPa | 15.0 |
| 密封试验 | 11.0 | |
| 上密封试验 | 11.0 | |
| 气体密封试验 | 0.6 | |
主要零件材料及使用范围
| 产品型号 | Z42Y-100Z942Y-100 | Z42Y-100VZ942Y-100V |
| 阀体 | WCB | WC6/WC9 |
| 阀盖 | WCB | 12Cr1MoV |
| 阀杆 | 38CrMoAlA | 25Cr2MoV |
| 闸板 | 25/WCB | WC6/WC9 |
| 万向顶 | 38CrMoAlA | 38CrMoAlA |
| 螺栓 | B7 | 25Cr2MoV |
| 适用介质 | 水，汽，油品等 | 水，汽，油品等 |
| 最高工作温度 | 425℃ | 550/590℃ |
Quality is our fundamental integrity are our future, innovation is our development!
Quality is our fundamental integrity are our future, innovation is our development! Jiangsbosi Valve Co., Ltd. has always been quality-oriented, all to meet the user's business philosophy, constantly applying new technologies, new processes, new materials, dedicated to providing high-quality valve products and better after-sales service.
boss valve from Jiangsu, scientific management, sophisticated design, superb technology, sophisticated equipment, careful processing, accurate detection, in order to be more perfect.
Sales has been a good evaluation of the majority of users. Your needs, our goal!
