720 ES Pressure Reducing Valve - Operation
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- Опубліковано 4 лип 2015
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Thank you very much for that video.
Exactly what we need to see and know.
Thanks for posting this.
The video is so useful
very good
I Like This
Nice illustration and of course advises that only to be used in ópen' systems and not closed systems - this is sometimes misunderstood
Thanks
Can someone pls tell me which program I have to use to draw such an process
Dear sir, I have one query
Pressure downstream of prv become zero within few second after operation of fire fighting system
Why it's not standing
Please anyone explain me how it will work?
very goog
Hany Shawkat of
Hany Shawkat
Air lock chill water system in high rise
How does the pressure in upper control chamber drops when the pilot plunger goes down (as explained at 0:28)?
Could you please illustrate this part more clearly
Was wondering the same thing lol, could anyone please explain it?
@@didiekay1164 Because the Pilot Plunger essentially increases pressure downstream, the pressure on top of the Upper Control Chamber gets pushed downstream as well, as it is connected to the piping that goes to the Pilot Plunger. Therefore, it creates a suction in the top part of the Upper Control Chamber causing the Upper Control Chamber Plunge to rise. Look carefully at the top of the Upper Control Chamber as it pushes pressure into the pipe.
How can i calculate strength of spring that can handle high pressure from inlet pipe ?
You don’t have to, I installs them on lines pushing 150 psi from a pump station. It’s what their made for bud
это работает
P2 p1 in out valve psi reducting valve openting normal oepned closed lored us oped in cased systom