久久中文字幕亚洲精品最新,在线观看成人年视频免费,成年免费视频播放网站推荐 ,亚洲精品蜜桃久久久久久,丰满人妻在公车被猛烈进入电影,黑人强伦姧人妻日韩那庞大的,av在线天堂av无码舔b,亚洲另类伦春色综合小说
      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: 国产精品白丝喷水娇喘视频| 国产精品尤物视频| 精品少妇高潮 蜜臀| 巨乳在线播放| 国产一区91精品张津瑜| 妇女性内射冈站hdwwwooo| 国产精品青青草原免费无码| 农村少妇无套内谢粗又长| 亚洲国产精品一区第二页| 永久免费的无码中文字幕| 婷婷丁香综合| 午夜羞羞网站| 中文天堂资源在线www| 亚洲成av人片在线观看天堂无| 黄频在线播放| 国产成人无码a区在线观看视频app | 国产精品久久视频| 国产成人宗合| 日本乱偷互换人妻中文字幕| 免费看男人j放进女人p的视频| 爽爽av| 日日摸夜夜添夜夜添国产三级 | 老女人性视频| 日本成熟少妇喷浆视频| 波多野结衣在线看| 欧美一级性视频| 伊人激情av一区二区三区| 日韩人妻无码制服丝袜视频| 欧美日韩视频在线| 成片免费观看| 在线观看无码av免费不卡网站| 成人片国产精品亚洲| 玖玖爱国产| 歪歪6080| 欧洲吸奶大片在线看| 中文字幕亚洲日韩无线码| 天天色官网| 欧美视频网站www色| 日本又色又爽又黄的视频免| 99国产成人综合久久精品77| 国模在线观看|