Product Bulletin HDRA-RF Series BurnersHDRA-RF Series Burners Product Bulletin Total Air Low NOx Burner with Automatic Flame Shaping For Firing Rates from 50,000,000 up to 200,000,000

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Multi-Fuel Burners for the Asphalt Industry

HDRA-RF Series BurnersProduct Bulletin

Total Air Low NOx Burner with Automatic Flame ShapingFor Firing Rates from 50,000,000 up to 200,000,000 Btu/Hr

Benefits Of The HDRA-RF Multi-Fuel Asphalt Burner

The Webster Combustion model HDRA-RF is a register-style burner that allows users to shape the flame by automatically controlling the register vanes to optimally fit their dryer and combustion zone. This allows the Webster burner to operate with a shorter flame than products of other aggregate burner manufacturers. This flame-shaping capability means the flame will not impinge on the material, and CO can be maintained at much lower levels than currently available. In addition, NOx levels for the HDRA-RF are significantly lower than typically seen in asphalt applications.

The Webster Combustion HDRA-RF burner readily adapts to mount on both Parallel Flow and Counter Flow Dryers, and the burner housing and fan can be installed in multiple configurations depending on space constraints and elevator location.

The Webster Combustion HDRA-RF Series Asphalt Burner is capable of burning a wide range of fuels, either separately or simultaneously, including Natural, LP, and low BTU gas, all commercially available grades of fuel oil, and qualified waste oils. A dual manifold combustion head is available for applications firing multiple gas fuels.

A wide choice of burner arrangements is available with the HDRA-RF package burner system. Webster’s engineering team will assist you in designing the best arrangement for your application. Flexibility in design and assembly means that the HDRA-RF can be applied to a wide variety of heater applications.

Webster Combustion has the best lead times in the industry. To configure the perfect HDRA-RF burner for your application and obtain current scheduling information, contact us or visit www.webster-engineering.com to locate a sales office in your area.

HDRA-RF Features

• Excellent flame stability for reliable performance• Low excess air for extremely efficient operation• Fully modulating register for automatic flame shaping• Low NOx emissions• High turndown rates - Up to 10 to 1 on Gas firing - Up to 8 to 1 on oil firing• High combustion efficiency• Fire multiple fuels - Natural, LP, or Digester gas - No. 2 through No. 6 Oils• Configurable blower housing to match application requirements• Long Nose options available• Proven ignition system with an extremely stable pilot• High efficiency combustion air fans to optimize electrical needs• Access doors for easy service of firing head and fan for maintenance• Optional VFD and inlet air damper for precise air control• Air atomized oil systems may include an optional air compressor supplied with the burner package

HDRA-RF Series Typical Dimensions and Ratings

619 Industrial Road, Winfield, KS 67156 / Phone: 620-221-7464 / Fax: 620-221-9447www.webster-engineering.com / [email protected]

Bulletin #950109

The Better Burner.

Represented By

A B C D E F G H I J** K L M N

HDRA-RF*-50 5 3” 50,000 117.5 52.2 34.3 16.0 51.0 49.2 30.0 25.8 84.8 30.0 29.1 16.1 24.0 26.5

HDRA-RF*-75 6 4” 75,000 120.5 52.2 34.3 17.5 51.0 49.2 33.0 25.8 84.8 30.0 29.1 18.9 27.0 31.0

HDRA-RF*-100 8 4” 100,000 125.0 52.2 34.3 19.8 51.0 49.2 38.0 25.8 84.8 30.0 29.1 23.2 32.0 38.3

HDRA-RF*-125 10 4” 125,000 125.0 52.2 34.3 19.8 51.0 49.2 38.0 25.8 84.8 30.0 29.1 23.2 32.0 38.3

HDRA-RF*-150 14 4” 150,000 128.0 52.2 34.3 21.3 51.0 49.2 41.0 26.6 84.8 30.0 29.1 25.5 36.0 43.5

HDRA-RF*-175 5 6” 175,000 128.0 52.2 34.3 21.3 51.0 49.2 41.0 26.6 84.8 30.0 29.1 25.5 41.0 50.5

HDRA-RF*-200 8 6” 200,000 134.5 52.2 34.3 24.5 51.0 49.2 47.0 26.6 84.8 30.0 29.1 29.2 41.0 50.5

DIMENSIONS – INCHESBURNER MODEL

MIN REQ’D GAS PRESS

(PSIG)

STD GASTRAIN

SIZE

* Can be “G” (Gas), “O” (Oil) or “C” (Combination Gas/Oil). ** is minimum length. Custom lengths available.All dimensions are reference only. Webster reserves the right to change dimensions without notice.

MAX FIRINGRATE (MBH)

STDBURNER MODEL MIN REG'D GAS

PRESS (PSIG)STD GAS TRAIN SIZE

MAX FIRING RATE (MBH ) STANDARD

DIMENSIONS-INCHES

A B C D E F G H I J** K L M N

HDRA-RF*-50 5 3" 50,000 117.5 52.2 34.3 16 51.0 49.2 30.0 25.8 84.8 30.0 29.1 16.1 24.0 26.5

HDRA-RF*-75 6 4" 75,000 120.5 52.2 34.3 17.5 51.0 49.2 33.0 25.8 84.8 30.0 29.1 18.9 27.0 31.0

HDRA-RF*-100 8 4" 100,000 125.0 52.2 34.3 19.8 51.0 49.2 38.0 25.8 84.8 30.0 29.1 23.2 32.0 38.3

HDRA-RF*-125 10 4" 125,000 125.0 52.2 34.3 19.8 51.0 49.2 38.0 25.8 84.8 30.0 29.1 23.2 32.0 38.3

HDRA-RF*-150 14 4" 150,000 128.0 52.2 34.3 21.3 51.0 49.2 41.0 26.6 84.8 30.0 29.1 25.5 36.0 43.5

HDRA-RF*-175 5 6" 175,000 128.0 52.2 34.3 21.3 51.0 49.2 41.0 26.6 84.8 30.0 29.1 25.5 41.0 50.5

HDRA-RF*-200 8 6" 200,000 134.5 52.2 34.3 24.5 51.0 49.2 47.0 26.6 84.8 30.0 29.1 29.2 41.0 50.5

REV. DATE ECN.NO.

DR.

APP.

DATE

.X = ± .125

.XX = ± .06

.XXX = ± .03

.X = ± .030

.XX = ± .015

.XXX = ± .005

.XXXX = ± .0001ANGLES ± 1/2°

This drawing is the property of Webster Combustion Technology, LLC. and is subject to return upon request. It is to be used onlyfor the purpose for which it was expressly loaned and is not to be used in any way detrimental to the interest of this Corporation.

ANGLES ± 1°

2. REMOVE ALL BURRS& SHARP EDGES

3. CORNER RADII .034. ALL DIMS. IN INCHES

1. TOLERANCES

FABRICATION

MACHINE

FRACTIONS ± 1/32

XX XXXX XX

UNLESS OTHERWISE SPECIFIED

5. MACHINE

NO.SCALE

XX

XX

TITLE

DWG.

B

A

C

D

E F

G

BURNER MODEL MIN REG'D GAS PRESS (PSIG)

STD GAS TRAIN SIZE

MAX FIRING RATE (MBH ) STANDARD

DIMENSIONS-INCHES

A B C D E F G H I J** K L M N

HDRA-RF*-50 5 3" 50,000 117.5 52.2 34.3 16 51.0 49.2 30.0 25.8 84.8 30.0 29.1 16.1 24.0 26.5

HDRA-RF*-75 6 4" 75,000 120.5 52.2 34.3 17.5 51.0 49.2 33.0 25.8 84.8 30.0 29.1 18.9 27.0 31.0

HDRA-RF*-100 8 4" 100,000 125.0 52.2 34.3 19.8 51.0 49.2 38.0 25.8 84.8 30.0 29.1 23.2 32.0 38.3

HDRA-RF*-125 10 4" 125,000 125.0 52.2 34.3 19.8 51.0 49.2 38.0 25.8 84.8 30.0 29.1 23.2 32.0 38.3

HDRA-RF*-150 14 4" 150,000 128.0 52.2 34.3 21.3 51.0 49.2 41.0 26.6 84.8 30.0 29.1 25.5 36.0 43.5

HDRA-RF*-175 5 6" 175,000 128.0 52.2 34.3 21.3 51.0 49.2 41.0 26.6 84.8 30.0 29.1 25.5 41.0 50.5

HDRA-RF*-200 8 6" 200,000 134.5 52.2 34.3 24.5 51.0 49.2 47.0 26.6 84.8 30.0 29.1 29.2 41.0 50.5

REV. DATE ECN.NO.

DR.

APP.

DATE

.X = ± .125

.XX = ± .06

.XXX = ± .03

.X = ± .030

.XX = ± .015

.XXX = ± .005

.XXXX = ± .0001ANGLES ± 1/2°

This drawing is the property of Webster Combustion Technology, LLC. and is subject to return upon request. It is to be used onlyfor the purpose for which it was expressly loaned and is not to be used in any way detrimental to the interest of this Corporation.

ANGLES ± 1°

2. REMOVE ALL BURRS& SHARP EDGES

3. CORNER RADII .034. ALL DIMS. IN INCHES

1. TOLERANCES

FABRICATION

MACHINE

FRACTIONS ± 1/32

XX XXXX XX

UNLESS OTHERWISE SPECIFIED

5. MACHINE

NO.SCALE

XX

XX

TITLE

DWG.

G

H I J K L

ØM ØN