Valve with pneumatic diaphragm actuator and "smart" positioner that will also feed again towards the controller the actual valve situation These pressures are huge enough to crush objects during the pipe. On 100 kPa enter, you may carry a small vehicle (upwards of one,000 lbs) easily, which is just a http://pneumatic-actuator44332.mdkblog.com/16748587/everything-about-pneumatic-actuator