The quick opening ball valve is evolved from the plug valve. Its opening and closing part is a ball, which rotates 90 degrees around the axis of valve stem to realize its opening and closing. The ball valve is mainly used to cut off, distribute and change the flow direction of media in the pipe. The ball valve with V-shaped opening also has good flow regulation. Features of the quick opening ball valve:
(1) Good flow resistance (actual flow resistance is zero).
(2) This valve can be reliably applied to the corrosive medium and low-boiling liquid because it will not get stuck during working when there is no lubricant.
(3) Complete sealing can be realized in a wide range of pressures and temperatures.
(4) Quick opening and closing. The opening and closing of some structures only need 0.05 to 0.1 seconds, so that the valve can be used in the automation system of the test bench. There is no impact when the valve is quickly opened and closed.
(5) The spherical closure member can be automatically positioned at the boundary position.
(6) Reliable sealing.
(7) When the valve is fully opened and closed, the sealing surfaces of the ball and valve seat are isolated from the medium, so the medium passing through the valve at high speed will not cause erosion of the sealing surfaces.
(8) The mechanism is compact and light.
(9) The valve body is symmetrical. Especially, the welded body can well bear the stress from the pipe.
(10) The closure member can withstand the high pressure difference when it is closed.
(11) The ball valve with a fully welded body can be directly buried underground, so that the valve internals are not corroded. And its service life can reach 30 years. This ball valve is an ideal choice for oil and gas pipelines.
(1) Good flow resistance (actual flow resistance is zero).
(2) This valve can be reliably applied to the corrosive medium and low-boiling liquid because it will not get stuck during working when there is no lubricant.
(3) Complete sealing can be realized in a wide range of pressures and temperatures.
(4) Quick opening and closing. The opening and closing of some structures only need 0.05 to 0.1 seconds, so that the valve can be used in the automation system of the test bench. There is no impact when the valve is quickly opened and closed.
(5) The spherical closure member can be automatically positioned at the boundary position.
(6) Reliable sealing.
(7) When the valve is fully opened and closed, the sealing surfaces of the ball and valve seat are isolated from the medium, so the medium passing through the valve at high speed will not cause erosion of the sealing surfaces.
(8) The mechanism is compact and light.
(9) The valve body is symmetrical. Especially, the welded body can well bear the stress from the pipe.
(10) The closure member can withstand the high pressure difference when it is closed.
(11) The ball valve with a fully welded body can be directly buried underground, so that the valve internals are not corroded. And its service life can reach 30 years. This ball valve is an ideal choice for oil and gas pipelines.
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