Which of the following is NOT a type of port used in valves?

In the context of valve design, the term “port” refers to the internal opening through which fluid flows. Full port, Venturi, and reduced ports are all established types of ports that have distinct functions and characteristics.

A full port refers to a valve whose inner diameter is equal to that of the pipe, allowing for the maximum flow capacity and minimal pressure drop. This type facilitates an unrestricted flow, making it ideal for applications where fluid transport efficiency is vital.

A Venturi port, inspired by the Venturi effect, is designed to create a change in pressure and velocity as fluid passes through the narrowing of the port. It is commonly used in applications where mixing or atomization is necessary, taking advantage of the pressure drop that occurs in such configurations.

A reduced port, on the other hand, has a smaller diameter compared to the pipe, which can create a restriction in the flow. This type is typically more cost-effective but can result in higher pressure drops and reduced flow rates in comparison to full ports.

However, "split" is not recognized as a standard type of port in valve terminology. It does not correspond to a recognized design or function within the context of valve mechanics, which makes it the correct choice for this question as it does not