<u id="hldhu"></u>

  • <tr id="hldhu"></tr>
        1. <thead id="hldhu"></thead>
        2. 国产精品久久久久久av,国模少妇无码一区二区三区,又爽又黄又无遮挡的视频,老熟妇高潮一区二区三区,婷婷四房播播,成年男女免费视频网站,日韩人妻熟女中文字幕a美景之屋,国产成人精品一区二区秒拍1o
          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

          主站蜘蛛池模板: 五月婷综合| 久久国产欧美日韩精品图片| 国产高清国产精品国产专区| 国产乱人妻精品秘?入口ktv-百度| 中文字幕少妇人妻| 日韩在线观看a| 隆尧县| 无码专区 人妻系列 在线| 亚洲区一区二| 国产va免费精品观看| 无码黑人精品一区二区| 97无码人妻| 久久综合伊人| 亚洲 欧美 中文 日韩天堂| 国产精品伦视频观看免费| 国产av制服丝袜| 亚洲av第三区国产精品| 国产无套流白浆视频| av天堂免费在线观看| 国产免费怡红院视频| 国产精品久久久久久久久鸭| 玖草在线视频| 中文不卡综合| 国产又爽又猛又粗的视频a片| 亚洲一二区在线视频播放| 18成禁人视频免费| yiren22亚洲综合高清一区| 麻豆精品在线| 国产草草影院ccyycom| 一本色道综合久久欧美日韩精品| 亚洲AV无码乱码在线观看代蜜桃| 精品国产美女av久久久久| 中文字幕在线观看2025一区 | 亚洲日本一区二区三区在线播放| 国模无码人体一区二区| 久热最新精品视频在线观看| 影音先锋资源| 一二三区中文字幕| 黄色免费在线网址| 国产1区| 苍井空亚洲精品AA片在线播放|