please tell me me where motor operated valve is suitable? and where other control valve can use like soloniod?
Anywhere a remote 90 degree turn is needed, Guv, and an air supply is not available.
Solenoids are better for those smaller applications.
Dodgy Dave on Canvey Island can do both of these mail-order, but he only takes cash. <Splutter, sneeze> Blast this grass pollen. <Wheeze, cough>