How do ammonia solenoid valve fittings work? अमोनिया सोलेनाइड वाल्व फिटिंग कैसे करते हैं? 

#refrigeration ammonia globe valves, sonet, stenar aur by bass hai
video me 3/4 ka valves hai
video me valve ka direction bataya gya hai
agar sonet valve kam karna band kar deto
by pass lagaya gya hai
video me welding bhi maine apne se mara hai
3.15 ka welding roud laga hai
thanks🙏🙏