Ball Valve Handle Direction

A ball valve one type of quarter turn valve is quite literally a ball placed in a passageway through which fluid flows the ball has a hole through it by which the valve opens and closes. It has worked perfectly. Used in many hydrocarbon process applications ball valves are capable of throttling gases and vapors and are especially useful for low flow situations.

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1 ball valves are designed to be opened by rotating the lever handle in a counterclockwise direction and closing in a clockwise direction.

Ball valve handle direction. Ball valves use a metal ball with a hole bored through the center sandwiched between two seats to control flow. The flow direction of ball valves can be either bidirectional or unidirectional depending on its seat design and working conditions. These valves are quick opening and provide a very tight closure on. Conventional floating and trunnion mounted ball valves are usually bidirectional while some specific ball valves such as c ball valve v port ball valve orbit ball valve and cryogenic ball valve are unidirectional.

When the ball is positioned so that the hole runs the same direction as the passageway the fluid simply flows through it and the valve is open. The handle lies flat in alignment with the flow when open and is perpendicular to it when closed making for easy visual confirmation of the valve s status. Consult factory for throttling service. The handle indicates the ball port direction.

Sorry for the video quality please post comments and questions. The ball valve is an inexpensive alternative to other valves. Ball valve handle direction. It is open when the ball s hole is in line with the flow and closed when it is pivoted 90 degrees by the valve handle.

I installed a brass ball valve about 13 years ago with the handle pointing against the flow when in the on position. 2 under certain conditions throttling flow in the near closed position can destroy the valve seats. Ball valve handle direction norminal pressure pn 1 6 2 5 4 0 6 4mpa applicable temperature 20 180 applicable media w o g. A ball valve is a form of quarter turn valve which uses a hollow perforated and pivoting ball to control flow through it.

My valve is female by female so the direction did not matter when assembly the piping. This is a short informative video on residential ball valves. A ball is round so direction does no matter.