Perfektná ukážka pre mojich poslucháčov.Ďakujem!!!

잘 봤습니다. 감압밸브에 대한 이해를 한 눈에 볼 수 있도록 하셨군요. 짝짝짝!

thanks so much for easy and clear explanation

thanks.....nice explanation

Good know by see All are thaks

thank you helps clear up a problem

We OEM ball valve ,gate valve,check valve and globe valve for pentair

clear about this valve

Can u send 1 video for altitude valve testing

in which application it is made ?

WOW!! thanx!!

Great . W done .

It is similar to deluge valve

laud and clear

êrer