• Orbit Plug Valve

Orbit Plug Valve

> Design and Manufacture: APl599,API6D
> Face to face(end to end): ANSl B 16.10
> Flanged connection: ANSl B16.5
> Butt welded end: ANSl B16.25
> Test and inspection: APl598,API6D


Main structural features

The sealing rings around the valve disc realize Bolt bonnet OS & Y lifting-round plug, it’s sealing. It has unique protection for swallow-tailed sinks and fixed sealing rings in a double direction.

Principle of opening and closing of the valve

When the valve is fully opened, the channel of the plug is in alignment with the channel of the valve body, which can ensure the ideal and lowest decrease in pressure, When the hand wheel is turned, the plug will rotate toward the closing direction, and at 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 upward, and the valve disc and valve seat will be separated; if the hand wheel is turned further on, til 90 degrees driven by the plug turns the valve disc, and finally the change of plug will be in alignment with the channel of the valve body so that the valve is be fully opened.

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