Question about differential pressure regulators. . .

Keith_11

I recently sat through a day long seminar with Mr. H., and the conversation went to differential pressure regulators on hot water systems. The theory is that this bybass valve should be placed somewhere between the supply head and return manifold in order to decrease the dead head load on circulator pumps. . . please refer to the following photo's. Am I correct in pricing the job out that I will need 5 diff. pressure valves, one for each zone, on this system? Is there a preferable method of piping them in? Also, what makes and models have you had success with, both with ease of setup and cost/quality?


Oh yeah, and my attention was just directed to a long and convoluted post from last month about some silly stuff. . . Sorry as always if I offend anybody, sometimes my pride gets the best of me. If anybody ever has a problem or a question they need to pose to me, they're more than welcome to give me a call or swing by, and we can have lunch. Believe me, I don't even get half of what was going on back there. . .
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Constantin

Keith,

Based on your post above, I guess you see nothing wrong with using racial slurs on this board? IMO, denigrating a race is not "silly stuff", nor does it have anything to do with pride.

Presumably, the many Wallies you have offended would be more forthcoming with their help IF you decided to apologize sincerely.

Drew_8

. .

Look, I really don't know what to say. . . would you like me to film myself commiting harakiri and have my widow post it on the board as an apology? I don't think that using a three letter word on a trade specific website that is viewed by less than one one hundredth of a percent of this country's population is going to have any long term effects on race relations here and abroad. When you put together cast iron and ask for a "Dutchman", are you denigrating the poor people from Holland who worked so hard to build this country? Similarly, when after a 3 a.m. service call, a person calls a boiler control (and not even a person!) a word that is half of another word that some people find offensive, nobody is being denigrated or shoved down. I will credit you with being absolutely correct about one thing though -

that this is absolutely NOT the forum to frame the debate. I will also say that I am absolutely, unequivocally and categorically sorry to have stirred controversy over something that really has no meaning. Beyond that, I'm not really sure what can be done to assuage your anger.

I've run into many people in the trade who's political or personal views conflict with the mainstream, from those who think we should nuke the whole middle east to those who'd go join the Iraqi resistance, or from those who think every firearm should be confiscated to those that think everybody over age 12 should have an M-16, and when I disagree with that person, ignore the differences that we have and respect the person for the fact that we work together. If a topic is really sore, I usually just ask the person to drop it. I'm sure that we can look past a silly - yes, silly - choice of words on my part and accept my promise to think a little more carefully before I post here. I'm sorry.

Now that I've shared that with you, I'd like to ask you a favor as well. Please don't turn this post into a chorus of people chiming in with their opinions on race, and my status in hell. That conversation doesn't belong here anymore than random insults belong here. So, if you hate me so much that you just have to let the world know about it, just drop me an email or phone call and tell me. In fact, if you chose to actually know me instead of going by three measly letters that could easily spell Gin or even In G (whatever G may be) you'd find my family to be very loving and generous, and my home to be inviting.

Anyway, if any one of you could find it in your hearts to forgive me, I'm still very curious about differential pressure regulators, where to install them, and how to set them. Is their primary purpose to preserve the circulator pump? Should that be a selling point? Also, random question, is it better installation to install one large extrol tank on a system, or several smaller ones?

Thanks for the help, and sorry for the commotion that I caused.

Keith

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mark smith

does the upside down pump motor ..

have a matching oil port, too ...??

J.C.A._3

I don't need to know about whatever happened before....

But a PDBV can be installed anywhere between the feed and return.Usually they are positioned at the end of the feed/supply lines, and getting the bypassed flow as close as practical to the return line. Just make sure that it is sized properly for the TOTAL flow, and adjusted appropriately .

Move that feeder to the PONPC. The bottom of the return isn't the right place.(Pumping away has been great reading for the last few months, over and over...) Chris

Empire_2

JCA,...

I'm not sure either, but I think the man replied and said what he had on his mind and, Well I think sometimes crap happens. Constantin, can you give em another chance? I think he has replied to you in good faith and he stated the appology that you asked for. Damm, I feel like the water god trying to make piece between the Galv. pipe and oxygen laiden water in a typical boiler system with no vents, pump on the return and pumping at the damn tank...:)
"No wonder I'm blowtted"
Smile while you can..... Mike T.