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Three-way and four-way ball valves

Three-way and four-way ball valves

2017-03-01

Three-way ball valves have an L- or T-shaped hole through the middle. The different combinations of flow are shown in the figure. It is easy to see that a T valve can connect any pair of ports, or all three, together, but the 45 degree position which might disconnect all three leaves no margin for error. The L valve can connect the center port to either side port, or disconnect all three, but it cannot connect the side ports together.

Types of ball valve

Types of ball valve

2017-03-01

There are five general body styles of ball valves: single body, three piece body, split body, top entry, and welded. The difference is based on how the pieces of the valve—especially the casing that contains the ball itself—are manufactured and assembled. The valve operation is the same in each case.

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Meanwhile, Helon is a qualified supplier for Sinopec, CNPC, CNOOC, CNAF, etc. and has a close cooperation with many international enterprises, trading companies and research institutions.
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