在线成人av-日韩性生活视频-国产伊人网-午夜男人影院-久久不射影院-国产三级精品在线-法国空姐电影在线-久久久久久夜-国产精品免费看片-欧美自拍视频在线-男生女生搞黄色-国产精一区二区三区-亚洲欧洲三级-国产伊人色-最新在线观看av网站

中文TELEPHONE:0577-67017717

News/News information

The current position:Home >News information

Release time: 2018.12.05 viewed:  
  

Test Procedure for Cast Steel Globe Valve with Additional Back Pressure

The main function of globe valve is to regulate the flow of a valve in the pipeline system. Compared with other valves, it has less friction on the sealing surface during the opening and closing process, durable, simple structure, convenient maintenance and installation, so it has a very wide range of applications.

Design standard

Design and Manufacture: Cast Steel Globe Valve According to BS 1873 and ASME B16.34


Inspection and test: API 598 flange connection: ASME B16.5

Butt welding end: ASME B16.25

Structural length: ASME B16.10

Temperature and pressure grade: ASME B16.34

Form of operation:

Generally speaking, handwheel drive or gear drive method is adopted, and sprocket drive or electric device can be adopted according to user's needs.

Previous:

Next:

About us
About Us
Zhejiang mingyi valve technology co. LTD
Contact person: Alex Liu - Manager
Tel: +86 577 67017717
Fax: +86 577 67017718
Mobile: +86 13868321823
Email: myv01@myvalvemyv.com
Address: no.7938, yangguang avenue, oubei town, yongjia county, zhejiang province 
Turn on scan