精久国产av一区二区三区孕妇,国产免费不卡午夜福利在线,无码久久久久不卡网站,国产成人a在线观看视频免费

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

国产精品hdvideosex4k| 女人被强╳到高潮喷水在线观看| 国产亚洲精品久久久999| 一本加勒比波多野结衣| 中文字幕丰满乱子伦无码专区| 午夜阳光精品一区二区三区| 亚洲av无码一区二区三区在线观看 | 欧美高清大屁股xxxxx| 狠狠色噜噜狠狠狠777米奇小说| 亚洲欧美成人一区二区三区在线| 国产又粗又猛又黄又爽无遮挡 | 亚洲美女被黑人巨大在线播放| 亚洲一区二区三区av天堂| 久久久久人妻啪啪一区二区| 人妻互换精品一区二区| 亚洲欧美综合精品成人网| 久久 国产 尿 小便 嘘嘘| 久久久久人妻一区精品果冻| 亚洲熟女乱综合一区二区| 亚洲人成77777在线播放网站不卡 亚洲 日韩 激情 无码 中出 | 成年女人免费碰碰视频| 亚洲精品精华液一区| 日本55丰满熟妇厨房伦| 成人嫩草研究院久久久精品| 十八禁视频网站在线观看| 极品无码国模国产在线观看| 成人做爰www网站视频| 亚洲日韩乱码中文无码蜜桃| 亚洲最大成人网站| 99久久国产露脸精品国产麻豆 | 免费无码观看的av在线播放| 亚洲欧美日韩久久精品| 国产成人久久a免费观看| 在线 | 一区二区三区四区| 国产亚洲精aa在线观看| 日本大尺度吃奶呻吟视频| 欧美大片18禁aaa片免费| 国产成人精品免费久久久久| 久久精品久久电影免费| 粗大的内捧猛烈进出小视频| 国产下药迷倒白嫩美女网站|