Form No. 7510
(Rev. 6/05)
Bryan “Flexible Water Tube”
AB Series
Steam & Water Boilers
900,000 to 3,000,000 BTUH Forced draft gas, oil or dual fuel fired
Water Boiler
AB120-W-FDGO
Steam Boiler
AB250-S150-FDG
BRYAN® BOILERS
Originators of the “Flexible Water
Low initial cost, high operating efficiency deliver substantial return on investment
• True “flexible water tube”
design guaranteed shock free |
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• Longer lasting with better |
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performance |
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• Full five sq ft of heating |
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surface per BHP |
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Quality Construction Features: |
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A.Water side or steam side interior accessible for cleanout and inspection, front and rear openings, upper and lower drums.
B.Large volume water leg downcomers promote rapid internal circulation, temperature equalization and efÞcient heat transfer.
C.Boiler tube and furnace area access panels: heavy gauge steel casing with 2" high-temperature ceramic Þber insulation, bolted and tightly sealed to boiler frame.
D.Flame observation port in access door at rear of boiler.
E.Singlesideaccess;combustionchamber,tubesandburner head are completely accessible from one side simplifying maintenance and minimizing ßoor space.
F.Minimum sized ßue vent.
G.Control panel: all controls installed with connections to terminal strip.
H.Forced draft, ßame retention head type burner. EfÞcient combustion of oil or gas, plus quiet operation.
I.Heavy steel boiler frame, built and stamped in accordance with the appropriate ASME Boiler Code.
J.Heavy gauge steel boiler jacket with rust-resistant zinc coating and enamel Þnish, insulated with 1½" Þberglass to ensure exceptionally cool outer surface.
B
D
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L
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K.Bryan bent water tubes are ßexible, individually replaceable without welding or rolling. Never more than two tube conÞgurations.
L.Pressurized design
Þrebox with internal watercooled furnace with low heat release rate.
M. Steam boilers with extra large drum with high steam release area ensure stable water level and dry steam.
Bryan AB Series Boiler Specifications
BOILER |
INPUT |
OUTPUT@ 80% |
OUTPUT@ 83.5% |
STEAM OUTPUT |
(4) |
HEATING |
APPROX. |
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MBH |
EFFICIENCY(2) |
EFFICIENCY(3) |
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SURFACE |
SHIP |
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MODEL(1) |
(KW) |
MBH (KW) |
HP (KW) |
MBH (KW) |
HP (KW) |
LBS/HR (KG/HR) |
SQ. FT. (M2) |
LBS. (KG) |
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AB90-W |
900 (264) |
720 (211) |
21 (211) |
752 (220) |
22 (220) |
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Ñ |
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113 (10.5) |
2,000 (907) |
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AB90-S |
900 (264) |
720 (211) |
21 (211) |
Ñ |
Ñ |
742 |
(337) |
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113 (10.5) |
2,600 (1,179) |
AB120-W |
1,200 (352) |
960 (281) |
29 (281) |
1,002 (294) |
30 (294) |
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Ñ |
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148 (13.8) |
2,250 (1,021) |
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AB120-S |
1,200 (352) |
960 (281) |
29 (281) |
Ñ |
Ñ |
990 |
(449) |
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148 (13.8) |
3,050 (1,384) |
AB150-W |
1,500 (440) |
1,200 (352) |
36 (352) |
1,253 (367) |
37 (367) |
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Ñ |
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184 (17.1) |
2,550 (1,157) |
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AB150-S |
1,500 (440) |
1,200 (352) |
36 (352) |
Ñ |
Ñ |
1,237 (561) |
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184 (17.1) |
3,500 (1,588) |
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AB200-W |
2,000 (586) |
1,600 (469) |
48 (469) |
1,670 (489) |
50 (489) |
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Ñ |
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244 (22.7) |
3,050 (1,384) |
AB200-S |
2,000 (586) |
1,600 (469) |
48 (469) |
Ñ |
Ñ |
1,649 (748) |
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244 (22.7) |
4,150 (1,882) |
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AB250-W |
2,500 (733) |
2,000 (586) |
60 (586) |
2,088 (612) |
62 (612) |
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Ñ |
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303 (28.2) |
3,500 (1,588) |
AB250-S |
2,500 (733) |
2,000 (586) |
60 (586) |
Ñ |
Ñ |
2,062 (935) |
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303 (28.2) |
4,800 (2,177) |
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AB300-W |
3,000 (879) |
2,400 (703) |
72 (703) |
2,505 (734) |
75 (734) |
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Ñ |
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350 (32.5) |
3,750 (1,701) |
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AB300-S |
3,000 (879) |
2,400 (703) |
72 (703) |
Ñ |
Ñ |
2,474 |
(1,122) |
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350 (32.5) |
5,100 (2,313) |
NOTES: (1) W = Water / S = Steam
(2)Output and horsepower based on boiler industry standard of 80% of input.
(3)Output and horsepower based on an average natural gas combustion efÞciency of 83.5% for hot water boiler. Actual combustion efÞciencies for oil will be higher.
(4)Lbs. steam per hour from and at 212¡F.
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