A manually operated valve with its outlet opening oriented at right angles to its inlet opening; used for regulating the flow of a fluid or gas in a pipe. It is made in brass material and is robust in construction. A valve for controlling the flow of  liquid or air; the fluid leaves at right angles to the direction in which it enters the valve.A valve used to control fluid or air flow; the fluid exits the valve at a right angle to the direction it entered. a manually operated valve that has an outlet opening that is perpendicular to its intake opening and is used to control the flow of a liquid or gas via a conduit. It is sturdy in design and made of brass material.