Profile: Systems & Signals, Inc. specializes in controls, instruments and sensors. Our products include manual & automated ball valves, pneumatic & electrical actuators, motor starters, contactors, relays and push-buttons. The series 20 manual ball valve features a two piece design and is available in stainless steel. It has a full port 1000 psi and threaded ends. The WE-500 electric actuator has an output torque of 530 lbs. It has hard anodizing on inside and outside with polyester powder coating on external surface.