Most experiments in flexible robot actuators are based around pneumatics, but [Ayato Kanada] and [Tomoaki Mashimo] has been working on using a coiled spring as the moving component of a linear ...

The Triac F91 stainless-steel flanged ball valve features fire-safe construction and solid unibody and pyramidal stem packaging. A direct-mount actuator pad eliminates the need for special couplings ...