Bryan steam boiler question, (gerry gill)

Ross_7

You're thinking of Bryant/Carrier, and Lennox. Some of the older Crown boilers. These are Bryan Flex-tube boilers, of which we're referring to.

gerry gill_2

anyone have any experience

with installing and/or servicing Bryan flexible water tube steam boilers? were thinking of giving one a try..any opinions on their quality, ruggedness, etc?

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Mark Custis

Gerry

We had a couple of guys at Havsco that though replacing tubes was fun. I never got to play so I am clueless. If you do not a reply here let me know and I will find one of the Havsco guys and get them in touch with you.

Was out your way yesterday.

gerry gill_2

yea, any info we could get

would be appreciated..you probably like coming this far east as much as i like going that far west.

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Mark Custis

LOL gerry

I will give Jim Copeland a call. He is now with Steingass in Medina.

The boiler was gone by the time I got to the house. I was consulting on geothemal. I like consulting. Pen and paper, no wrenches.

Kevin Jahn

We have several schools here with them on water and a few on steam. They are quite durable. The factory support is poor. We currently have no local rep. If one has a good local rep they are decent equipment.

I still like the Johnston for steam use.

oil-2-4-6-gas

same here i think a couple of school districts have them ( theses were actually new replacement about 8-10 years ago but the low waters were piped wrong failed and melted them ) -----i know of a few small commercial 1's out there that we retro fitted some Mitco's on and i have a site with 3 of them -hw system --no major issues with the boilers

gerry gill_2

thanks guys!

that helps some.

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Ross_7

I used to....

service about a half dozen of the hot water version.I never really had any major problems with them. It seemed like they were built pretty well.

gerry gill_2

thanks Ross

that helps too..

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Mark Custis

Gerry

I talked to some old Havsco hands, and at this point in the game if they break good luck. Tools to fix them can be had at A&M, here in town.

The recommendation is if they break it is a good time for retirement. These are not my boots on the job just recollections and second hand fish stories.

Word your contract carefully. How many can there be in our market?

Josh_10

Gerry, I worked for the Bryan rep for 3 years and have extensive experience with the line. I'd be happy to talk to you. Send me an email and I'd be glad to give you my phone number.

gerry gill_2

thanks Mark.



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gerry gill_2

Thanks Josh

I'll take you up on that.

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Henry

The best water tube boiler on the market! We have installed a number of them in the food industry as well as lately in the two very large commercial buildings. We had one used in a lrge electronics plant as a humidifier that had a tube melt in the fireboxe due to too much chemistry being added. We welded the ends and the next weekend replaced the tube in 45 minutes. We ran one (3,000,000 BTU)for a whole day with street water at a working pressure of 110 psi. The boiler room had froze over during the Xmas holidays. We got the condensate pump the following am. It is still running with no side effects after 5 years.

We did the largest two oil to gas conversions this year. We ordered two 5.5 million and two 4.5 million as knockdowns. It takes a week to assemble each one. The 5.5's fired up the Gordon Piatt modulating burnersin no time. The other two we had the wrong motors in the burners. It took two days to get them. It only took a few hours to have them adjusted.

I will post some pictures later.

MI-man

they are a dunkirk rebranded, one good thing is they come w/ all the steam trim installed so that saves some time. the price point seems to be very competive compared to others. I've put a few in over the years and have good luck with them

gerry gill_2

thanks Henry

Id love to see the pictures!

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gerry gill_2

i think were

thinking of different boilers..

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Wethead7

Bryan

We service several in the area. A couple are high pressure 150 psi steam. They seam to work fine. The customers with the high pressure units have better access to parts than we do. Local rep is horrid. The factory is much better to deal with.


Mike

gerry gill_2

thanks, yup doesn't it seem

like the local rep can make or break a products reputation..i wonder if they realize that?

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DrPepper

Wet steam.....

Look at the application, is it low pressure? The Flex-tubes I've seen for low pressure applications have a smaller surface area for steam to release and exit velocity is to high, you get wet steam carryover. I'm not sure if they even put a baffle in the exit area to deflect droplets. So, if you use the Bryan get your near boiler piping too dry out the steam before it goes out to the system. I have a school project just went out for bid and I Spec'd only Scotch Marine boilers for that reason.

There hot water boilers are good if they are piped right and velocity is maintained in them.

gerry gill_2

uhmm, more food for thought..

its actually a vacuum steam system i was considering its use on..if the near boiler piping is done as per a standard cast iron boiler would that be funtionally acceptable?

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DrPepper

I looked at your web site....

You won't have any trouble, just look at the velocity of the steam, your pix of the drop header are perfect, you trap or return the condensate at the end of the header and nice dry steam goes out the top to do the work. Beautiful..! As I said, the drum on top of the tubes is about a foot +/- diameter and as long as the boiler, at half full it's 6" to the discharge flange. I opened the catalog for a few minutes at work but couldn't spend any time with it. Go to the Spirax-Sarco web site and look in the "Hook-Up Book" for the "steam velocity chart". I use it any time I have a steam project. If you know the #/hr you need and discharge flange pipe size it will tell you the velocity. Use it for sizing the whole system. It is conservitive but I have never gotten into trouble with it.

gerry gill_2

Thanks DrPepper!

that helps alot with the decision making.

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DrPepper

Did some looking today....

Steam pressure makes a considerable (HUGE) difference in velocity.
The Bryan AB series has a 3" supply nozzel and can output 2400 #/hr. At 5 psi that is 18,000 ft/min (off the chart noisey industrial velocity) but at 100 psi it drops to 3200 ft/min.
A Burnham Scotch Marine made for low pressure steam has an output of 4300 #/hr and an 8" nozzel which gives you 4000 ft/min. It will just purrr along and provide nice dry steam.

Food for thought....

DrPepper

Bump...

Just gave it another day...