Ball Valve Vs Plug Valve

The disc or ball in a ball valve is smaller in size than the disc or plug in a plug valve. The main difference between these two types is the way they close. Ball valves and plug valves on the other hand perform the same function.

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The sealing surface of the plug valve is much larger than the ball valve s which brings a better sealing performance to the plug valve but also makes the plug valve operated with inflexibility because of the high torque.

Ball valve vs plug valve. Now to make it easier for you to understand the differences of the two here are some reasons why plug valves are better than ball valves. Both control the flow of gas liquid either in a simple on off function or as a multipath function. Let s look at globe valves and ball valves. Plug valves are also smaller in size as opposed to a ball valve.

Why use a ball valve versus a plug valve. Function ball valves and plug valves perform the same function. Control valves are an essential component of any system where fluid flow must be monitored and manipulated. Gas appliances in homes use plug valves the assembly in toilet tanks is a valve and water spigots outside homes have valves.

However thorough knowledge of the process and the valve type size and material is required to make the correct valve selection. A plug valve has a conical or cylindrical disc with bored passages going through it. Globe valves are good for regulating flow whereas ball valves are better for on off control without. A globe valve uses a plug stem that closes against the flow and a ball valve has a gate ball that closes across the flow.

Plug valve vs ball valve. The ball valve is evolved from the plug valve. For the function of blocking media plug valves can better control flow than ball valves but the advantage of plug valve is limited. This is the reason why a plug valve is able to provide a tighter shut off than a ball valve.

They have the same 90 degree rotation operation but depends on the plug is a plug or a ball with a circular through hole or channel passing through its axis.