The 700-DAC by CONTROLAIR INC is an air pressure regulator with a 1/2 inch NPT port and a pressure range of 0-2 PSI / 0-0.15 BAR. This regulator features a check valve, integral safety device, and quick dump functionality, providing efficient pressure regulation and safety in case of supply air loss. Perfect for various industrial applications, the 700-DAC ensures precise control and reliable operation.