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.
To understand this statement simplyconsider the equipment used and applications whereaccurate metering is demanded.Positive displacement (PD) meters measure productflow by displacing discrete âparcelsâ of product witheach revolution of the meter.