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Steam Boiler, 2psi, 1,000,000btu, equalizer
hudaktj28
Member Posts: 2
Installing a drop header where all risers, header, distribution mains are 4" and wet returns are 2 1/2". Working from a diagram with no dimensions. There is an equalizer that runs around the back of the boiler and tied into both steam supplies at the heat exchanger. Can't tell from the diagram if this equalizer piping is 4" or 2 1/2" but believe it should be 4" pipe for correct pressure. Can someone verify this?
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Comments
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What make and model is the boiler?All Steamed Up, Inc.
Towson, MD, USA
Steam, Vapor & Hot-Water Heating Specialists
Oil & Gas Burner Service
Consulting0 -
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Utica 11 section, model JD1000S. I believe Utica now has the equivalent JE1000S0
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Hello @hudaktj28,
From the JE Series manual.
https://uticaboilers.com/wp-content/uploads/2022/02/240010349-JE-IOM-REV-J.pdf
National - U.S. Gas Boiler 45+ Years Old
Steam 300 SQ. FT. - EDR 347
One Pipe System1 -
For a steady water line use both 2 1/2 return tappings and a 3 inch equilizer and I would suggest either a 5 or 6 inch header . I recently did a repipe on a bouncing Utica 500 btu and used the 2 return inlets and and a both riser into a 4 inch drop . After cleaning the boiler the water line was steady the whole entire cycle building owner stated that it was the first time he saw the water line not bouncing . First time w a Utica of that size w a unmoved water line while in a steady state of steaming zero tilting a whole cycle . Personally I would not use there near boiler piping diagram the equilizer drop is not something I ve ran across and is a little different then most near boiler piping layouts . As for the equilizer I personally only use 2.5 eq on boiler 500 to 750 anything above is 3 . If using both return inlets don’t reduce and remember to install a swing joint to lessen stress on the boilers block . If you look at larger boilers piping diagrams that show both return tapping used they will show a swing joint that’s required .
Peace and good luck clammyR.A. Calmbacher L.L.C. HVAC
NJ Master HVAC Lic.
Mahwah, NJ
Specializing in steam and hydronic heating1 -
Amen, Clamster...Those manufacturers drawings and specs DO matter (engineered and Field-procen). Follow and exceed them sometimes and you'll see the benefits. Still want some pictures 📷...Mad Dog 🐕0
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This.DanHolohan said:What clammy said.
All Steamed Up, Inc.
Towson, MD, USA
Steam, Vapor & Hot-Water Heating Specialists
Oil & Gas Burner Service
Consulting0
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