ALSD-500 series explosion-proof top valve controller provides a relatively economic product for integration of general explosion-proof limit switch box and solenoid valve. The product is concise and smart, with explosion-proof grade up to Exd II BT6. It has realized integral low-cost explosion proof of solenoid valve coil and limit switch box.

Explosion-proof grade: Exd II BT6    Certificate No.: GYB111757