Lightweight, compact and clearly visible air system Emergency Shut Down (ESD) valves, designed for mounting at any desired position on the tank truck. A remote control device for quickly closing pneumatic valves, road tanker bottom loading and vapor return systems in an emergency situation. These valves offer the operator a rapid means of emergency closure, remote from the main air system control valves. They require no resetting after use. Our international experience with fuel transportation, loading and delivery practices, allows us to recommend and offer safe and reliable pneumatic operating systems with varying degrees of security interlocking.