Dear sir motorized operated valve and control value and actutor me kya difference hai aur kyn use karte hai aur kon se pipe line me use karte hai --/( sare valve ka kaam to ek hi hota hai open aur close karna to phir difference types ke kyn use karte hai jab ek se hi kam chal jayega to )
Actucatr isko kaise directed chalye series me warning karke koi actucatr kharba ho jata thode time'gum kar kr waps jata hai kaise isko series me chalye