97免费在线视频，日本特黄特黄刺激免费大片，免费无码国产在线观看午夜，国产久精品无码一区二区，婷婷亚洲一区二区三区，国产成年人精彩视频，AV在线中文免费播放，国产日韩色欲在线视频

<bdo id="ndj5t"></bdo>

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

News Next

Products

: Elliptical head

: Butterfly head

: Spherical head spin edge

: Flat Head

: Spherical head

: Bow bottom head

: Conical head

: Spherical cap shaped head

: Insulation panel

: Expansion Joints

: Jacket (cylinder) rotation side

: Manhole flange

Home Head Series Products News Parameter Company Profile Contact Us Company Culture

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

国产大学生喷水流白浆视频,一区二区三区精品aⅴ专区,一级无码奶水在线观看网站,亚洲av无码乱码在线观看富二代国产午夜视频久久国产欧美精品一区