PLAN VIEW
FRONT VIEW
RIGHT SIDE VIEW
REAR VIEW
EFFECTIVE DATE:
REPLACES:
4. DIMENSIONS ARE SUBJECT
TO CHANGE WITHOUT NOTICE.
1. ALL DIMENSIONS ARE IN
INCHES THOSE IN PARENTHESES
2. LOCATION DIMENSIONS
3. GAS TRAIN, CONTROL AND
BURNER CONFIGURATION WILL
VARY DEPENDING ON JOB
SPECIFICATIONS & CONDITIONS.
NOTES:
CONSULT FACTORY FOR
CERTIFIED DIMENSIONS.
ARE ALL ±1/2".
ARE CENTIMETERS.
BRYAN BOILERS
O
R
D
E
R
N
O
.
:
PERU, INDIANA 46970
783 NORTH CHILI AVE
FORM NO.:
2178
DR SERIES FORCED DRAFT 15# & 150#
STEAM BOILER (DR250-DR850) REVERSE CONSTRUCTION
DR350 DR450 DR650 DR850
6" (15.24) 8" (20.32)
62 1/8" (157.79) 73 1/2" (186.69)
CONSULT FACTORY FOR BURNER EXTENSION
6" (15.24) 8" (20.32)
62 1/8" (157.79) 73 1/2" (186.69)
4" (10.16)
DR250
33 3/4" (85.72)
13 3/4" (34.92)
6" (15.24)
62 1/8" (157.79)
3" (7.62)
13 3/4" (34.92) 13 3/4" (34.92) 13 3/4" (34.92) 13 3/4" (34.92)
4" (10.16)3" (7.62) 3" (7.62)
33 3/4" (85.72) 45 1/16" (114.45) 45 1/16" (114.45)33 3/4" (85.72)
Furnace
Pressure
Tap
5
3
1
2
6
19
7
9
4
10
G
C
H
D
A
B
11
12/9/03
UNLESS OTHERWISE NOTED,
5. ALL FLANGES ARE 150#
CENTER LINE.
FLANGES TO STRADDLE
5. LWCO/PUMP CONTROL - 157
2. FORCED DRAFT BURNER
4. ASME NAMEPLATE
3. RELIEF VALVE
1. PROBE TYPE AUX. L.W.C.O.
18. MINIMUM SAFE WATER LEVEL
17. HEIGHT OVER SUPPLY
16. HEIGHT OVER JACKET
15. FEED CONNECTION 2" NPT10. CLNOUT./INSP. OPNG. - 2" NPT
19. PRESSURE CONTROLS
14. LIFTING LUG
13. OIL PUMP LOCATION
12. BURNER CENTER LINE
11. DRAIN/ BLOWDOWN - 1" NPT
9. ELEC. ENCLOSURE -
8. CLNOUT./INSP. OPNG.-1 1/2"NPT
7. PRESSURE GAUGE
6. JACKET ACCESS PANELS
ORDER REV. NO.:
G-SUPPLY NOZZLE SIZE
H-BURNER EXTENSION
D-LENGTH OVER BASE
C-FLUE DIAMETER
B-FLUE LOCATION
A-LENGTH OVER JACKET
BOILER MODEL
12
8
13
14
16
17
18
59 7/8"
36"
(91.44)
MINIMUM
BURNER
SERVICE
AREA
33 13/16"
(85.88)
(22.86)
15
71 3/4"
74 9/16"
26 3/8"
9"
10 15/16"
(189.27)
(182.24)
(66.99)
(152.08)
(27.77)
24"
(60.96)
CLEARANCE
REMOVAL
TUBE
MINIMUM
10/29/03