The ASCO Series 158 & 159 Advanced Motorized Gas Valve is a normally closed safety shutoff valve, specifically engineered for industrial gas burners. It features the broadest pressure regulating range on the market and incorporates an electronic gas pressure regulator for precise control, noted for its high accuracy and repeatability. These valves offer versatile functional configurations, such as ON/OFF, HIGH/LOW/OFF, and pressure regulating modes, adapting seamlessly to a variety of applications. The easy-to-set interface enhances user experience for pressure adjustments. With the ability to withstand high operating pressures (up to 25 PSI / 1.7 bar) and a robust safety closure (30-75 PSI / 2.1-5.2 bar), these valves are housed in a durable IP65/Type 4 enclosure for outdoor installation. Operating efficiently in temperatures from -40˚F to 150˚F (-40˚C to 66˚C), they deliver reliable performance in diverse environments.