> 产品中心

阀门上还有一种标志——开度指示器

发布者:admin发布时间:2018-05-22 14:13:53点击量:873

 阀门上还有一种标志——开度指示器,它有开启的标尺刻度线或表示开闭的箭头等。节流阀、暗杆闸阀上端安装有开度指示器,在手轮上标有前头指向表示关闭方向。在阀杆端面部位上刻内直线沟槽与阀门通道一致表示开启,沟槽与通道成90度时为关闭。阀门上涂有各种油漆,不光是为了防锈好看,而是为了便于识别阀门构材树。表示阀体材料的涂漆。表示密封面材料的涂漆,

二、材质的鉴别

密封面的堆焊、阴体的补焊,有一个了解母体材质和选用焊条的问题。配齐和跟换阀件时,有一个需知道旧阀件和新阀件材质的问题。否则,就无法进行修配了。这里主要讲述经验鉴别方法,有钢材腺澎标记、无损鉴别、燃烧鉴别、光谱鉴别等。

1.钢材徐漆标记:

在钢材的表面涂[各种肋漆,用以区别钢材牌号的一种标记。这种方法在管材和理材中很普通。优质碳紊结构别中20一25。州棕色f好色、30一40’用白色十兰包标记,合金结构钢买电磁阀选盾铭电磁阀,重庆盾铭电磁阀以质量创优势 ·以服务创品牌 ·以诚信创未来 !

?

盾铭客服热线:023-41606996-8003  Email:463627965@qq.com 客服QQ:463627965 ICP证:渝11000757号

Copyright 2011-2012 VALVEDM.COM 重庆盾铭电磁阀有限公司 

技术咨询:
点击这里给我发消息

价格咨询:
点击这里给我发消息

售后咨询:
点击这里给我发消息

防爆电磁阀|高压电磁阀|高温电磁阀|燃气电磁阀

快三开奖历史记录
  • http://www.hn1c.com/howuU/65390920.html
  • http://www.hn1c.com/howuU/28297.html
  • http://www.hn1c.com/howuU/3272974.html
  • http://www.hn1c.com/howuU/16857390.html
  • http://www.hn1c.com/howuU/9608598.html
  • http://www.hn1c.com/howuU/9348424.html
  • http://www.hn1c.com/howuU/71528.html
  • http://www.hn1c.com/howuU/43823572.html
  • http://www.hn1c.com/howuU/0039993.html
  • http://www.hn1c.com/howuU/61627533.html
  • http://www.hn1c.com/howuU/2747.html
  • http://www.hn1c.com/howuU/7756.html
  • http://www.hn1c.com/howuU/731515.html
  • http://www.hn1c.com/howuU/589593.html
  • http://www.hn1c.com/howuU/3914813.html
  • http://www.hn1c.com/howuU/82300.html
  • http://www.hn1c.com/howuU/4544282.html
  • http://www.hn1c.com/howuU/790292.html
  • http://www.hn1c.com/howuU/04837196.html
  • http://www.hn1c.com/howuU/50012794.html
  • http://www.hn1c.com/howuU/3789338.html
  • http://www.hn1c.com/howuU/3871754.html
  • http://www.hn1c.com/howuU/860890.html
  • http://www.hn1c.com/howuU/9367538.html
  • http://www.hn1c.com/howuU/8915.html
  • http://www.hn1c.com/howuU/998364.html
  • http://www.hn1c.com/howuU/36622767.html
  • http://www.hn1c.com/howuU/3599.html
  • http://www.hn1c.com/howuU/823680.html
  • http://www.hn1c.com/howuU/79822.html
  • http://www.hn1c.com/howuU/712773.html
  • http://www.hn1c.com/howuU/7796174.html
  • http://www.hn1c.com/howuU/786716.html
  • http://www.hn1c.com/howuU/7103088.html
  • http://www.hn1c.com/howuU/22813902.html
  • http://www.hn1c.com/howuU/0663.html
  • http://www.hn1c.com/howuU/06163305.html
  • http://www.hn1c.com/howuU/98895.html
  • http://www.hn1c.com/howuU/2282575.html
  • http://www.hn1c.com/howuU/5141720.html
  • http://www.hn1c.com/howuU/851229.html
  • http://www.hn1c.com/howuU/37026848.html
  • http://www.hn1c.com/howuU/8074.html
  • http://www.hn1c.com/howuU/16796.html
  • http://www.hn1c.com/howuU/06253.html
  • http://www.hn1c.com/howuU/91057.html
  • http://www.hn1c.com/howuU/5091.html
  • http://www.hn1c.com/howuU/45299.html
  • http://www.hn1c.com/howuU/15869750.html
  • http://www.hn1c.com/howuU/25490.html
  • http://www.hn1c.com/howuU/80316.html
  • http://www.hn1c.com/howuU/70235.html
  • http://www.hn1c.com/howuU/06328.html
  • http://www.hn1c.com/howuU/96827745.html
  • http://www.hn1c.com/howuU/43947.html
  • http://www.hn1c.com/howuU/8274.html
  • http://www.hn1c.com/howuU/3858.html
  • http://www.hn1c.com/howuU/56773614.html
  • http://www.hn1c.com/howuU/5512.html
  • http://www.hn1c.com/howuU/6592.html
  • http://www.hn1c.com/howuU/188322.html
  • http://www.hn1c.com/howuU/1904.html
  • http://www.hn1c.com/howuU/7206063.html
  • http://www.hn1c.com/howuU/54498.html
  • http://www.hn1c.com/howuU/6992894.html
  • http://www.hn1c.com/howuU/1471834.html
  • http://www.hn1c.com/howuU/49427129.html
  • http://www.hn1c.com/howuU/28054084.html
  • http://www.hn1c.com/howuU/3074.html
  • http://www.hn1c.com/howuU/06753.html
  • http://www.hn1c.com/howuU/6785.html
  • http://www.hn1c.com/howuU/957837.html
  • http://www.hn1c.com/howuU/4409.html
  • http://www.hn1c.com/howuU/60789016.html
  • http://www.hn1c.com/howuU/3183529.html
  • http://www.hn1c.com/howuU/9171659.html
  • http://www.hn1c.com/howuU/0001825.html
  • http://www.hn1c.com/howuU/6812.html
  • http://www.hn1c.com/howuU/863854.html
  • http://www.hn1c.com/akaAQ/35631613.html
  • http://www.hn1c.com/akaAQ/850499.html
  • http://www.hn1c.com/akaAQ/3316935.html
  • http://www.hn1c.com/akaAQ/573318.html
  • http://www.hn1c.com/akaAQ/3128759.html
  • http://www.hn1c.com/akaAQ/3804.html
  • http://www.hn1c.com/akaAQ/8074.html
  • http://www.hn1c.com/akaAQ/0778487.html
  • http://www.hn1c.com/akaAQ/45851829.html
  • http://www.hn1c.com/akaAQ/1214156.html
  • http://www.hn1c.com/akaAQ/92696.html
  • http://www.hn1c.com/akaAQ/09293.html
  • http://www.hn1c.com/akaAQ/69185212.html
  • http://www.hn1c.com/akaAQ/764352.html
  • http://www.hn1c.com/akaAQ/395643.html
  • http://www.hn1c.com/akaAQ/9464.html
  • http://www.hn1c.com/akaAQ/45215643.html
  • http://www.hn1c.com/akaAQ/61795291.html
  • http://www.hn1c.com/akaAQ/82865.html
  • http://www.hn1c.com/akaAQ/7341.html
  • http://www.hn1c.com/akaAQ/125908.html