Operator
18 July 2017
Output horsepower
18 July 2017

Orifice

An opening of a measured diam that is used for measuring the flow of fluid through a pipe or for delivering a given amount of fluid through a fuel nozzle. In measuring the flow of fluid through a pipe, the orifice must be of smaller diam than the pipe diam. It is drilled into an orifice plate held by an orifice fitting.