DR SERIES FORCED DRAFT 15# & 150#
STEAM BOILER (DR250-DR850) REVERSE CONSTRUCTION
MINIMUM
BURNER
SERVICE
(91.44)
33 13/16"
AREA
36"
(85.88)
H
D
A
B
G
15
PLAN VIEW
(22.86)
24"
(60.96)
10 15/16"
9"
C
(27.77)
MINIMUM
TUBE
REMOVAL
CLEARANCE
EFFECTIVE DATE:
REPLACES:
NOTES:
1. ALL DIMENSIONS ARE IN
INCHES THOSE IN PARENTHESES
ARE CENTIMETERS.
2. LOCATION DIMENSIONS
ARE ALL ±1/2".
3. GAS TRAIN, CONTROL AND
BURNER CONFIGURATION WILL
VARY DEPENDING ON JOB
SPECIFICATIONS & CONDITIONS.
4. DIMENSIONS ARE SUBJECT
TO CHANGE WITHOUT NOTICE.
CONSULT FACTORY FOR
CERTIFIED DIMENSIONS.
5. ALL FLANGES ARE 150#
UNLESS OTHERWISE NOTED,
FLANGES TO STRADDLE
CENTER LINE.
10/29/03
12/9/03
19
7
9
18
59 7/8"
(152.08)
13
FRONT VIEW
1. PROBE TYPE AUX. L.W.C.O.
2. FORCED DRAFT BURNER
3. RELIEF VALVE
4. ASME NAMEPLATE
5. LWCO/PUMP CONTROL - 157
5
Furnace
Pressure
2
26 3/8"
(66.99)
12
8
6. JACKET ACCESS PANELS
7. PRESSURE GAUGE
8. CLNOUT./INSP. OPNG.-1 1/2"NPT
9. ELEC. ENCLOSURE -
Tap
RIGHT SIDE VIEW
1
14
11. DRAIN/ BLOWDOWN - 1" NPT
12. BURNER CENTER LINE
13. OIL PUMP LOCATION
14. LIFTING LUG
15. FEED CONNECTION 2" NPT10. CLNOUT./INSP. OPNG. - 2" NPT
3
4
10
17
74 9/16"
(189.27)
16
71 3/4"
(182.24)
11
6
REAR VIEW
16. HEIGHT OVER JACKET
17. HEIGHT OVER SUPPLY
18. MINIMUM SAFE WATER LEVEL
19. PRESSURE CONTROLS
BOILER MODEL
A-LENGTH OVER JACKET
B-FLUE LOCATION
C-FLUE DIAMETER
D-LENGTH OVER BASE
G-SUPPLY NOZZLE SIZE
H-BURNER EXTENSION
BRYAN BOILERS
DR250
33 3/4" (85.72)
13 3/4" (34.92)
6" (15.24)
62 1/8" (157.79)
3" (7.62)
DR350 DR450 DR650 DR850
33 3/4" (85.72) 45 1/16" (114.45) 45 1/16" (114.45)33 3/4" (85.72)
13 3/4" (34.92) 13 3/4" (34.92) 13 3/4" (34.92) 13 3/4" (34.92)
6" (15.24) 8" (20.32)
62 1/8" (157.79) 73 1/2" (186.69)
CONSULT FACTORY FOR BURNER EXTENSION
783 NORTH CHILI AVE
PERU, INDIANA 46970
6" (15.24) 8" (20.32)
62 1/8" (157.79) 73 1/2" (186.69)
4" (10.16)
:
.
O
N
R
E
D
R
O
ORDER REV. NO.:
FORM NO.:
4" (10.16)3" (7.62) 3" (7.62)
2178
BRYAN BOILERS
DR SERIES FORCED DRAFT
STEAM BOILERS REVERSE CONSTRUCTION
BOILER MODEL DR250 DR350 DR450 DR650 DR850
INPUT MBH 250 350 450 650 850
(KW) 73.2 102.5 131.8 190.4 249.0
OUTPUT MBH 200 280 360 520 680
(KW) 58.6 82.0 105.5 152.4 199.2
BOILER HORSEPOWER HP 6 8 10 15 20
(KW) 58.6 82.0 98.0 147.0 196.0
TUBE DIAMETER INCHES 1.00 1.00 1.00 1.00 1.00
(CM) 2.54 2.54 2.54 2.54 2.54
NUMBER OF TUBES 18 18 18 29 29
PRESSURE VESSEL
VOLUME GAL 31 31 31 45 45
(L) 117.3 117.3 117.3 170.3 170.3
Form # >> 2178
Date >> 2/20/04
HEATING SURFACE SQ FT 66 66 66 103 103
(SQ M) 6.1 6.1 6.1 9.6 9.6
STEAM OUTPUT*
LBS/HR 206 288 371 536 701
(KG/HR) 93.4 130.6 168.3 243.1 318.0
OPERATING WEIGHT LBS 1,408 1,408 1,408 2,025 2,025
(KG) 638.9 638.9 638.9 918.6 918.6
SHIPPING WEIGHT LBS 1,150 1,150 1,150 1,650 1,650
(KG) 521.6 521.6 521.6 748.4 748.4
RELIEF VALVE TYPICAL - 15 PSIG (103.4 KPA)
QUANTITY (1) 13-213-08 (1) 13-213-08 (1) 13-213-08 (1) 13-213-08
SIZE INCHES 1-1/4 x 1-1/4 1-1/4 x 1-1/4 1-1/4 x 1-1/4 1-1/4 x 1-1/4
(CM) 3.175 x 3.175 3.175 x 3.175 3.175 x 3.175 3.175 x 3.175
CAPACITY-TOTAL MBH 1,200 1,200 1,200 1,200
(KW) 351.6 351.6 351.6 351.6
RELIEF VALVE TYPICAL - 150 PSIG (1034.0 KPA)
QUANTITY (1) 6021DC01 (1) 6021DC01 (1) 6021DC01 (1) 6021DC01 (1) 6021DC01
SIZE INCHES 1/2 x 3/4 1/2 x 3/4 1/2 x 3/4 1/2 x 3/4 1/2 x 3/4
A
v
a
N
i
o
l
t
a
b
l
e
(CM) 1.27x1.905 1.27x1.905 1.27x1.905 1.27x1.905 1.27x1.905
CAPACITY-TOTAL MBH 925 925 925 925 925
(KW) 271.0 271.0 271.0 271.0 271.0
* Output based on nominal 80% of input. Actual combustion efficiencies will be higher and fuel dependent.
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