Aluminum is economical and good for general use with noncorrosive gases and liquids. Brass is economical and good for use with water—a 150-mesh screen is included. Stainless steel withstands higher temperature and pressure and features excellent chemical compatibility—a 150-mesh screen is included. Valved meters have valves mounted at the bottom/inlet, typically used for positive pressure with liquids and gases. The valve can be reconfigured to mount at the top/outlet, often for vacuum applications.
