NTA series SDAP multi-position tandem compact air cylinder is connected by two SDA compact cylinders arranged in linear for doubling the pushing force in both directions of stroke.Both of the tandem have magnetic pistons and can be sensed by pneumatic cylinder auto switch. The sensors can be easily mounted on 4 cylinder surfaces without any other accessories. Only one piston rod is visible with this cylinder, it moves to different locations in one direction. Welcome to visit www.titan-automation.com