作者：xzy的逆袭

购买理由

  虽然之前也买过威汉的绝缘螺丝刀，不过是单一的SL/PZ1和 SL/PZ2，很多时候 带两把螺丝刀又很麻烦，看中威汉的 弹仓式 而且可以收纳6根 绝缘批头，那叫非常实用了，原装38610配送的批头不合适大多数国内场景，加钱让卖家换成我自己喜欢的几个批头，而且批头是细杆绝缘的，很好。

外观展示

卖家用的PB的胶带，哈哈

买的6种最常用的绝缘批头，SL/PZ2 ,SL/PZ1,PH2,PH1,PZ2,3.5的一字，

是的，这把螺丝刀只能用威汉自己的绝缘批头，普通起子机用的批头是不合适的。

使用感受

顺时针扭到了预设的2.5扭矩后 会有“哒” 一声，原来2.5nm看起来小 实际上很紧很紧。因为平时用的电钻40~160nm 所以会有错觉2.5nm 上空开并不紧，实际上人家都设计好了。

实际声音，可以听一下视频里的。

总结

威汉的工具颜值挺高的，而且有VDE1000V认证， 收纳多支批头的设计 也更加的便携。

大家扭电气设备都是用哪些螺丝刀呢，评论区也可以交流一下

感谢大家观看，喜欢的话可以点赞加关注哦。

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郎生乖4963套筒阀与多级降压阀? -
明骅泻13976793145 ______ 回答:套筒阀适用于压差较大的场合,对于高差压就不适用了,按照楼主所说的,阀门前后压差达到了20MPa,属于高压差的场合,故不适用于套筒阀.

郎生乖4963为什么套筒阀代替单、双座阀却没有如愿以偿? -
明骅泻13976793145 ______ 60年代问世的套筒阀,70年代在国内外大量使用,80年代引进的石化装置中套筒阀占的比率较大,那时,不少人认为,套筒阀可以取代单、双座阀,成为第二代产品.到如今,并非如此,单座阀、双座阀、套筒阀都得到同等的使用.这是因为套筒阀只是改进了节流形式、稳定性和维护好于单座阀,但它重量、防堵和泄漏指标上与单、双座阀一致,它怎能取代单、双座阀呢?所以,就只能共同使用.

郎生乖4963电动套筒调节阀 -
明骅泻13976793145 ______ 1、 采用平衡型阀芯,不平衡力小,允许压差大,操作稳定.2、 阀芯导向面大,可改善由涡流和冲击引起的振荡.3、 比普通的单、双座调节阀噪声降低10dB左右.4、 结构简单,装拆维修方便.

郎生乖4963平衡式调节阀和不平衡式调节阀指的是什么意思??? -
明骅泻13976793145 ______ 平衡力是个概念不用计算,计算的是不平衡力,用于不平衡结构的调节阀,如单座阀.计算比较简单就是 阀座的面积X进口压力. 阀门一般是关闭的时候需要推力大,因为不光要克服不平衡力,还有一定的密封比压力, 能保证密封.

郎生乖4963套筒窑驱动风管路和冷却风管路的连接管上的两个阀门分别是什么阀?各起什么作用? -
明骅泻13976793145 ______ 从图上看,下面的应该是单向阀,起到风只能从左向右流动,而不能从右向左流.上面的是节流阀,起到调节作用.

郎生乖4963气动套筒相关内容 -
明骅泻13976793145 ______ 如下: 气动套筒调节阀通常由电动执行机构或气动执行机构与阀体两部分共同组成.直行程主要有直通单座式和直通双座式两种,后者具有流通能力大、不平衡办小和操作稳定的特点,所以通常特别适用于大流量、高压降和泄漏少的场合.角...

郎生乖4963套筒调节阀与单座调节阀相比优势在哪 -
明骅泻13976793145 ______ 单座调节阀的口径做的不如套筒的大,再就是压力,特别是前后压差大的时候,单座的就不能用了,但单座比套筒的泄漏小,单座可以做到零泄漏,套筒的做不到.套筒调节阀与单座调节阀相比优势1、 采用平衡型阀芯,不平衡力小,允许压差大,操作稳定.2、 阀芯导向面大,可改善由涡流和冲击引起的振荡.3、 比普通的单座调节阀噪声降低10dB左右.

郎生乖4963哪些阀需进行流向选择?如何选择?
明骅泻13976793145 ______ 单密封类的调节阀如单座阀、高压阀、无平衡孔的单密封套筒阀需进行流向选择. 流开、流闭各有利弊.流开型的阀工作比较稳定,但自洁性能和密封性较差,寿命短;流闭型的阀寿命长,自洁性能和密封性好,但当阀杆直径小于阀芯直径时稳定性差. 单座阀、小流量阀、单密封套筒阀通常选流开,当冲刷厉害或有自洁要求时可选流闭.两位型快开特性调节阀选流闭型.

郎生乖4963调节阀怎么选型? -
明骅泻13976793145 ______ 要根据调节器的输出的电动执行机构特点配调节阀.若随意选阀会使阀的机械连动很被动匹配.

郎生乖4963调节阀的不平衡力是怎样产生的单座阀出现的非平衡力大,而套筒阀的非
明骅泻13976793145 ______ 我理解你说的套筒阀就是动态平衡阀,它有两个阀芯,其中一个阀芯能随着管网的压力波动通过压差感应膜片(ZETA靠压力传感器)调节阀门的开度,根据流量公式Q=A(阀门开度)*根号下P(压差)所以你就可以看出来,这个活动的阀芯可以屏蔽压差波动,所以能保持平衡.如果还不明白QQ86091470