Actuators are components of an electrical switch and are responsible for opening and closing a valve. They introduce and stop motion. PneuTech supplies a selection of tanker truck actuators and switches for tanker trucks which includes air interlock valves, push/pull valves, and more. Pneumatic Technology has everything you need actuator and switches related. Don't see what you're looking for? Fill out the form below or give us a call at 817-625-9333. Our team of trained professionals is ready to help and answer your trailer questions.