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: 欧美成人一区二区三区在线视频| 黄色麻豆视频| 成熟丰满熟妇高潮xxxxx视频| 中国杭州少妇xxxx做受| 久久最新视频| 国产精品自拍视频免费看| 丰满人妻熟妇乱又仑精品| 欧美成人精品激情在线观看| 岛国成人在线| 精品无码国产一区二区三区av | 亚洲三级高清免费| 人人超碰人人爱超碰国产| 911亚洲精品| 欧美18aaaⅹxx| 人人妻人人澡人人爽国产一区| 国产欧色美视频综合二区| 亚洲free性xxxx护士hd| 亚洲区一区二区三区亚洲| 亚洲偷自拍国综合| 欧美做爰性生交视频| 亚洲成人福利视频| 天堂在/线中文在线资源 官网| 50岁人妻丰满熟妇αv无码区| 青娱乐导航| 夜夜爽av福利精品导航| 97精品伊人久久久大香线蕉| 久久久久影院美女国产主播| 人人看人人射| 国产亚洲精品在av| 尤物蜜芽国产成人精品区| 国产三级自拍| 成年人网站免费看| 樱花影院电视剧免费| 久久精品国产99久久久小说| 亚洲天堂偷拍| 欧美日韩一区二区区| 国产综合久久久久鬼色| 亚洲欧美日韩国产综合一区二区| aa免费视频| 强行侵犯视频在线观看| 亚洲第一a在线观看网站|