The GZSV Explosion-proof NAMUR Solenoid Valve Controller is a high-reliability pneumatic control valve designed for hazardous industrial and marine environments. It features NAMUR standard interface, 1-8bar operating pressure, and IIC-level explosion-proof certification (Ex db IIC T6 Gb), making it suitable for Zone 1/21 explosive areas. With a manual override knob and IP65 protection, this valve provides reliable control for pneumatic actuators in shipboard systems, petrochemical plants, and industrial automation.