亚洲欧美国产日韩字幕_免费女人18毛片a毛片视频_亚洲三级综合在线_三级乱伦无码中文_亚洲国产不卡在线观看_丰满人妇h在线观看_色先锋5566久久中文少妇_2021国产精品偷窥盗摄_自拍日本免费精品_三级片不卡交换欧美网站

news

Product

Contact

Contact: Mrs. Wang General Manager

Contact: +86-411-39105563,18641115761

Contact: Mr.CUI Marketing Manager.

Contact information: +86-411-39105563

Mailbox: yuchen_dl@126.com

Address: No. 596, north of Zhufeng street, Wafangdian, Dalian city, Liaoning province of China.


Flange connection of valve

Your current location: Home >> News >> Industry dynamics

Flange connection of valve

Date of release:2019-06-28 Author: Click:

Flange connection of valve


flange connection


This is the most commonly used form of connection in the valve. According to the shape of the joint surface, it can be divided into the following categories:


1. Smooth: for valves with low pressure. convenient processing and comparison


2, concave and convex type: high working pressure, medium hard washer can be used


3, tenon and groove type: the gasket with large plastic deformation can be used widely in corrosive medium, and the sealing effect is better.


4. Trapezoidal groove: an oval metal ring is used as a gasket, and a valve with a working pressure of 64 kg/ cm2 or a high-temperature valve is used.


Copyright notice:The reproduced works are all marked out of the place. If this website does not indicate the place of origin and reproduced, it is for the purpose of transmitting more information, it does not mean to agree with its opinions or the authenticity of its contents. In case of any infringement of the author’s right of signature, or any other damage such as copyright, portrait right, intellectual property right, etc. which is not intentionally done by the website, it shall be corrected immediately upon receipt of the notice of the relevant right holder. 


The address of this article:http://changan6.cn/en/news/384.html

Key word:

The last one:Brief introduction of valve
The next one:None

Recently browse:

Related products:

Related news:

  • Service
  • number
    18641115761
  • Message
  • web site
  • Online Service
    Please leave a message for us
    Please input the message here, and we will contact you as soon as possible.
    name
    Contacts
    Telephone
    Telephone
    mailbox
    mailbox
    address
    address