You can get a Plan Review by an architect at the Fire Marshalâs Office, and they have satellite offices all over the state.
Primary flow element. A primary flow element is the element of a flow meter that serves to indicate the quantity or velocity of flow. For example, in the case of an orifice flow meter, the differential pressure across the orifice plate is the primary flow element.
A water flow detector, commonly produced by System Sensor, is an electro-mechanical device designed to send an alarm to a fire alarm panel and/or fire department when a continuous flow of water occurs through the fire sprinkler systemâs piping from an activated fire sprinkler head or leak in the system.