Artisi, I discussed this years ago with them, but can't seem to find any of the emails on the subject. I was under the impression that this was a recommendation for whenever the blower is located indoors. It was my collegue who questioned it. Thank-you TenPenny. The dwgs for this particular...
I often get quotes for positive displacement blower packages for jobs of mine. In every quote is an adder for an outside air connection. This is for the blower inlet. When is this needed? I can't seem to find anything in the vendor literature. When would you not want it?
Thank-you.
The velocity is around 5 ft/s. I'm a little confused by your second paragraph, however. If the system is submerged (aka no atmospheric air is entering the system), why would I need to design the head based off the highest point in the piping? Shouldn't it be the highest liquid level in the...
Thanks for the reply. I've attached the hydraulic profile.
http://files.engineering.com/getfile.aspx?folder=ceba7083-6a55-4a7d-93ee-8d624b9adf9f&file=Hydraulic_Profile.pdf
I am working on a water filtration plant that using pumps to vacuum filtered/clean water from a tank and then transfer it to a clearwell. I'm not sure if I should be using an air release valve or a vacuum breaker valve. Here's the setup.
The pump vacuums water (elevation not important as I have...