Principle of opening and closing of the valve manufacturer from China Jiangsu Jingjia Valve Manufacturing CO.LTD

Principle of opening and closing of the valve

Place of Origin:

Jiangsu, China (Mainland)


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Product Detail

Principle of opening and closing of the valve
when the valve is fully opened,the channel of plug is in alignment with the channel of valve body,whic

Orbit Plug Valve

Basic information:

Pressure:Class 150Lb-900lb
Size:1/2"-14"
Design Std:API 599,API 6D
Product Material:WCB,CF8,CF8M,CF3,CF3M,Flexible graphite+stainless steel/PTFE

Orbit Plug Valve infomation:

Bolt bonnet OS & Y lifting-round plug.

Its sealing is realized by the sealing rings around the valve disc.It has unique protection of swallow tailed sink and fixed sealing rings.Double direction.

Principle of opening and closing of the valve

when the valve is fully opened,the channel of plug is in alignment with the channel of valve body,which can ensure ideal and lowest decrease on pressure.When the hand wheel is turned,the plug will rotate toward the closing direction,and make the same time draft the rotation of valve seat and close the valve.When the hand wheel is turned inversely,first of all the plug will move ipward,and the valve disc and valve seat will be separated;if the hand wheel is turned further on;till the valve disc is turned by 90 degree driven by the plug,and finally the channel of plug will be in alignment with the channel of valve body,so that the valve is be fully opened.

Standards compliance

Design and Manufacture: API 599,API 6D

Face to face(end to end): ANSI B 16.10

Flanged connection: ANSI B 16.5

Butt welded end: ANSI B16.25

Test and inspection: API 598,API 6D