亚洲成av人无码综合在线观看,在线观看av永久,亚洲精品色AV无码看,色爱无码AV综合区老司机非洲,麻豆国产96在线日韩麻豆,91丨九色丨首页在线播放,国产精品边做奶水狂喷无码,2021国内精品久久久久精免费,手机看片久久国产永久免费,91人妻日韩人妻无码专区精品

<fieldset id="6s0gq"></fieldset>
<blockquote id="6s0gq"><dfn id="6s0gq"></dfn></blockquote>
<fieldset id="6s0gq"></fieldset>
    <strike id="6s0gq"><input id="6s0gq"></input></strike>
    Service Hotline
    086-577-86923687
    Current Location:Home - News - Company News
    Features cap head comparison
    Release Time:2011-12-19  Views :
    Caps and head are very similar in appearance, as well as colleagues said today as the head of the sub-image pan. Caps and head the main difference between them on the inside diameter size, and scope. In this paper, pipe caps and head their own characteristics compared as follows:
     
    Just plug cap pipe, DN will use more than 300 head in place, if confined to strength check. Caps and head shape similar to stainless steel head with more than, cap size is relatively small and can be forged; head size is relatively little large, generally use pressed steel, pipe caps are generally used for the ends of the tube, with head in up and down (vertical devices) or parts of left and right ends (horizontal equipment) container device;
     
    Head is the inner diameter, such as 1 meter, refer to the inner diameter of the cap portion of the transition is not a requirement (unlike standard oval), general manual can only be found in the diameter and length, and a long straight edge portions .
    Key Words : 封頭
    Products
    Elliptical head
    Elliptical head
    Butterfly head
    Butterfly head
    Spherical head spin edge
    Spherical head spin edge
    Flat Head
    Flat Head
    Spherical head
    Spherical head
    Bow bottom head
    Bow bottom head
    Conical head
    Conical head
    Spherical cap shaped head
    Spherical cap shaped head
    Insulation panel
    Insulation panel
    Expansion Joints
    Expansion Joints
    Jacket (cylinder) rotation side
    Jacket (cylinder) rotation side
    Manhole flange
    Manhole flange
    NAVIGATION
    Wenzhou Shangshang Metal Products Co., Ltd.
    Add : 208,Zhanhong Road,Dushan,Longwan CentralIndustry,Wenzhou
    Tel : 086-577-86923687 85981288  Fax : 086-577-86913687
    All Rights Reserved © 2016 Wenzhou Shangshang Metal Products Co., Ltd    Zhejiang ICP No. 08,005,782
    • Follow Us

      Follow Us

    欧美人与性囗牲恔配| 9色国产深夜内射| 真人免费一级毛片一区二区| 亚洲av人妖一区二区三区| 国产成人精品一区二区秒拍1o| 亚洲精品日韩中文字幕| 国产亚洲999精品AA片在线爽| 国产视频一区二区三区四区视频| 亚洲精品国产视频一区二区| 亚洲一级毛片| 7777久久亚洲中文字幕| 无码乱肉视频免费大全合集| 精品卡一卡二卡乱码高清| 亚洲永久视频| 国产啪在线91| 国产精品大尺度尺度视频| 亚洲综合色婷婷中文字幕| 欧美日韩国产精品va| 亚洲18精品成人av| 孕妇高潮太爽了在线观看免费| www.国产福利| 国产激情视频免费观看| 日韩av一区二区亚洲| 国产精品 视频一区 二区三区| 国产成人无码播放| 在线中文字幕日韩| 亚洲伊人久久精品影院| 亚洲综合久久一本久道| 四虎库影成人在线播放| av中文字幕少妇人妻| 窄裙美女教师在线观看视频| 亚洲第一区精品日韩在线播放| 在线观看免费av毛片| 久久中文字幕一区二区| 亚洲一区二区三区在线观看精品中文| 乱人伦中文视频在线观看免费| 日韩精品一二区在线视频| 精品无码久久午夜福利| 亚洲精品动漫免费二区| 网久久综合| 中文字幕日韩精品一区|