Bryan Boilers DR350-S150-FDG, DR850-W-FDGO manual OUTPUT@ 83.5%, Sq. Ft. M

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Low initial cost, high operating efficiency deliver substantial return on investment

•True “flexible water tube” design

• High quality steam for

A

heat or process

 

•Pressurized firing for high efficiency

A. Water side or steam side interior accessible for cleanout and inspection, front and rear openings, up- per and lower drums.

B. Large volume water leg downcomers promote rapid internal circulation, temperature equalization and effi- cient heat transfer.

C. Boiler tube and furnace area access panel: heavy gauge steel-lined with high temperature ceramic fiber and insulation, bolted and tightly sealed to boiler frame.

D. Single side access; combustion chamber, tubes and burner head are completely accessible from one side simplifying maintenance and minimizing floor space.

E. Minimum sized flue vent.

F. Control panel: all controls installed with connections to terminal strip.

G. Forced draft, flame retention head type burner. Effi- cient combustion of oil or gas, quiet operation.

H. Heavy steel boiler frame, built and stamped in accor- dance with the appropriate ASME Boiler Code.

I.Heavy gauge steel boiler jacket with rust-resistant zinc coating and enamel finish, insulated with fiberglass to insure exceptionally cool outer surface.

J.Bryan bent water tubes are flexible, individually re- placeable without welding or rolling. Never more than two tube configurations.

 

 

 

E

 

 

L

 

J

 

 

 

 

I

 

F

 

 

 

B

 

M

 

 

K

C

G

 

 

 

 

 

D

 

 

H

 

 

K.Internal water-cooled furnace with low heat re- lease rate.

L.Steam boilers with extra large drum with high steam release area ensure stable water level and dry steam.

M.Pressurized design: inner fireside casing con- structed of heavy gauge steel, completely sealed, linedwithhightemperature insulationandrefractory.

Bryan DR Series Boiler Specifications

BOILER

INPUT

OUTPUT@ 80%

OUTPUT@ 83.5%

STEAM OUTPUT(4)

HEATING

APPROX.

MBH

EFFICIENCY(2)

EFFICIENCY(3)

SURFACE

SHIP

MODEL(1)

(KW)

MBH (KW)

HP (KW)

MBH (KW)

HP (KW)

LBS/HR (KG/HR)

2

LBS. (KG)

 

 

SQ. FT. (M )

DR250-S

250 (73)

200 (59)

6

(59)

—

 

—

206 (93)

66 (6.1)

1,150 (522)

 

 

 

 

 

 

 

 

 

 

 

DR350-W

350 (103)

280 (82)

8

(82)

292 (86)

9

(86)

—

66 (6.1)

1,150 (522)

DR350-S

350 (103)

280 (82)

8

(82)

—

 

—

288 (131)

66 (6.1)

1,150 (522)

 

 

 

 

 

 

 

 

 

 

DR450-W

450 (132)

360 (106)

10 (98)

376 (110)

11

(110)

—

66 (6.1)

1,150 (522)

DR450-S

450 (132)

360 (106)

10 (98)

—

 

—

371 (168)

66 (6.1)

1,150 (522)

 

 

 

 

 

 

 

 

 

 

 

DR650-W

650 (190)

520 (152)

15

(147)

543 (159)

16

(159)

—

103 (9.6)

1,650 (748)

DR650-S

650 (190)

520 (152)

15

(147)

—

 

—

536 (243)

103 (9.6)

1,650 (748)

DR850-W

850 (249)

680 (199)

20

(196)

710 (208)

21

(208)

—

103 (9.6)

1,650 (748)

DR850-S

850 (249)

680 (199)

20

(196)

—

 

—

701 (318)

103 (9.6)

1,650 (748)

 

 

 

 

 

 

 

 

 

 

 

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 efficiency of 83.5% for hot water boiler. Actual combustion efficiencies for oil will be higher.

 

(4) Lbs. steam per hour from and at 212°F.

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Contents DR Series Steam & Water Boilers OUTPUT@ 83.5% SQ. FT. MBryan DR Series Boilers Standard and Optional Equipment 150 psi Steam Boiler Dimensions in inches cmSupply Nozzle Flue

DR850-W-FDGO, DR350-S150-FDG specifications

Bryan Boilers is known for its premium quality heating solutions, and the DR850-W-FDGO and DR350-S150-FDG models exemplify the company's commitment to innovation and efficiency. These two models offer unique features and advanced technologies that cater to various industrial heating requirements.

The DR850-W-FDGO model is engineered as a water-tube boiler, capable of delivering high thermal efficiency while maintaining robust performance. With a maximum output of 850,000 BTUs, this boiler is ideal for large industrial applications. One of its standout features is the double-drum design, which enhances the circulation of water and steam, promoting better heat transfer and minimizing the risk of overheating. The DR850 boasts a compact footprint, making it suitable for facilities with limited space.

In terms of technology, the DR850 utilizes a unique flame retention burner designed to optimize combustion efficiency. This results in lower emissions, reducing the environmental impact and helping businesses comply with stringent regulatory standards. The DR850 is also equipped with advanced control systems that allow for precise monitoring and adjustment of temperature and pressure, ensuring optimal performance even under varying load conditions.

On the other hand, the DR350-S150-FDG model offers a slightly smaller capacity, delivering efficient heating solutions with a maximum output of 350,000 BTUs. This model is also a water-tube boiler, featuring a single drum design that provides reliable thermal performance. The DR350 is particularly noted for its quick startup capabilities, allowing for rapid heating in time-sensitive applications.

Both models share important characteristics such as durable construction designed to withstand harsh operating conditions. They are built with high-quality materials that offer longevity and reduced maintenance requirements. The integration of safety features is paramount, with both models equipped with safety shutoff systems and pressure relief valves to ensure safe operation.

In summary, Bryan Boilers’ DR850-W-FDGO and DR350-S150-FDG models are equipped with advanced technologies that prioritize efficiency, safety, and durability. With their high-output capabilities and innovative designs, they cater effectively to the needs of diverse industries, making them trusted choices for reliable heating solutions.
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