skf brakemaster · • turbo boost protected for all engine applications (available in...

SKF BrakemasterAir dryer solutions

The problem is moisture and contamination.

With the ongoing evolution of commercial vehicles, the proliferation of new pneumatic powered accesso-ries has increased demands on vehicles’ compressed air systems. From kneeling buses to multi-axle ABS brakes, new applications have raised the requirements for clean, dry air, straining existing technologies and creating a need for more efficient and reliable air dryers.

The SKF Brakemaster family of air dryers is meeting those needs.

In addition to units designed for high-value performance in conventional over-the-road applications, the SKF Brakemaster line includes air dryer units specifically designed to handle the extreme air system demands for such industries as transit and refuse.

From the light duty, maintenance saving Turbo-AC to the state-of-the-art 2000 series air dryers now featuring two styles of the Dual Turbo-2000 – the standard Dual Turbo-2000 and the High Capacity (H.C.) Dual Turbo-2000 – these heavy duty air dryers allow fleets to match air dryer performance to specific application requirements.

This brochure provides a brief overview of the SKF Brakemaster line, as well as SKF’s Filtration Plus option, which can be retrofitted to the Turbo and HD-2000 air dryers already in service for optimal filtration performance. And with the addition of the H.C. Dual Turbo-2000, the SKF Brakemaster line now can meet the requirements of high output compressors on 2010 transit bus engines. See the table on the back cover to determine which air dryer is best suited to your application.

For four decades and literally trillions of miles, commercial carriers have relied

on SKF® products to improve fleet efficiency, reliability and profitability. SKF wheel

bearings and Scotseals® have always set the industry standard for wheel-end

performance – and then raised these standards with each new generation of

products. Over time, the SKF product line has grown to include a wide range

of products for the heavy duty industry, from u-joints and PTOs to heavy duty

tensioners, half-stand bearings and rebuild kits.

The solution is SKF Brakemaster air dryers.

Dual Turbo-2000 product line doubles!

SKF now offers two styles of the Dual Turbo-2000 – the standard Dual Turbo-2000 and the High Capacity (H.C.) Dual Turbo-2000. Both units are designed to perform where conventional, single canister air dryers may not be able to meet increasing air demands.

The standard Dual Turbo-2000 has been a successful solutions provider for a range of applications, including articulated buses, kneeling buses and off-road applications that use all types of air-actuated valves. And now with the addition of the H.C. Dual Turbo-2000, the SKF Brakemaster line of dual air dryers can meet the requirements of the high output compressors required on 2010 transit bus engines.

• Proven effective by the country’s largest and most severe-use municipal fleets.

• Keeps air system clean, keeps air capacity high – even in the most severe-use situations requiring 100% compressor duty cycles.

• Electronic toggle device channels air flow through one cartridge while the other regenerates.

• Easy to install – requires no purge tank, reducing fleet downtime.

• Dryer can be easily serviced on the vehicle.

• All valves can be quickly accessed.• Spin-off/spin-on desiccant cartridges.

Now two options to meet extreme air compressor demandsEach version of the Dual Turbo-2000 is designed to meet the specific and difficult air quality demands found in high volume applications. The new H.C. Dual Turbo-2000 is ideal for large compressor output applications and is available in 12V 75W (6.6 amps) and 24V 75W (3.2 amps) options. Additionally, it can withstand compressor air flow output of up to 80 scfm and up to 40 percent compressor duty cycle – the standard Dual Turbo-2000 withstands up to 40 scfm and 100 percent compressor duty cycle. The H.C. Dual Turbo-2000 includes the same internal filtration package as the standard Dual Turbo-2000 air dryer with 99.9 percent efficiency. It also meets the 2010 EPA requirements for high output compressors on transit buses.

Dual Turbo-2000Maximum demand

Dual Turbo-2000 H.C. Dual Turbo-2000

Integrated filtration systemDesigned into both the standard Dual Turbo-2000 and H.C. Dual Turbo-2000 are two Filtration Plus cartridges that remove oil and carbon BEFORE it enters the air sys-tem, optimizing performance, extending desiccant service life and protecting downstream components. Additionally, the H.C. Dual Turbo-2000 meets the 2010 EPA requirements for high output compressors on transit buses.

“ These dual units are unbelievably effective, even on our most demanding vehicles. When can we get more?”

- Fleet Manager, major transit authority

Charge cycle Upload/purge cycleDual Turbo-2000 service schematic

Note: Airflow alternates every 90 seconds.

Clean/dry air

Dirty/wet charged air

Dirty/wet purged air

Atmospheric pressure

Wet tank

Purgetanks

238Open

check valve

619938Inlet checkvalve open

619913Regenerationvalve open

235Purge valve

closed

619110 heater 12V619111 heater 24V

To system

Air compressor

D2EXH

UNL

RES

235Purge valve

closed


235Purge valve

closed


Charge cycle Purge/unload cycle

Purgetanks

D2EXH

UNL

RES

235Purge valve

open

619938Inlet checkvalve closed

235Purge valve

open

619938Inlet checkvalve closed

Wet tank

238Closed

619938Inlet check valve closed

619913Closed

235Purge valve

open

619110 heater 12V619111 heater 24V

To system

Air compressor

D2EXH

UNL

RES

Left sideLeft side side view

Right side Left side side view

Left side Right side

Clean/dry air Dirty/wet purged air

Dirty/wet charged air

Atmospheric pressure

H.C. Dual Turbo-2000 service schematic

• Top performance for continuous flow air systems• Large purge volume and desiccant bed keep the

air system clean and dry• Unique internal pump-through design allows

cooler running compressors

The SKF Brakemaster HD-2000 is designed to provide optimum protection for naturally aspirated compressors and systems employing continuous pumping compressors.

Extended compressor life may be the primary benefit of the HD-2000. At maximum performance, it has an internal pressure drop of only 3-PSI. As a result, the compressor runs smoothly under a continuous load.

A four-way filtration system, consisting of three filter screens, a unique filtering bag, plus four pounds of high quality molecular sieve desiccant, strips away moisture and traps contamination. The filtering bag also serves to contain desiccant, so no contamination can travel downstream and cause havoc in the air system. The spin-off cartridge can be serviced in minutes. The compact purge tank can be installed anywhere and provides a full 460 cu. in. of clean purge air.

For all-weather operation the HD-2000 is equipped with a sealed 12 volt (or optional 24 volt) 75 watt thermostatically controlled heater with SAE industry standard connector.

• The choice for severe stop-and-go operations• Large purge volume for extended compressor cycles• Turbo boost protected for all engine applications

(Available in Cummins/Holset compatible options)

The Turbo-2000 is the recommended choice for severe service applications, where the compressor output reaches 30 CFM and duty cycles run as high as 40%. Its ratio of large purge volume to desiccant produces the ideal filtering system and contamination protection for heavy-duty service today.

A four-way filtration system, consisting of three filter screens, a unique filtering bag, plus four pounds of high

quality molecular sieve desiccant, strips away moisture and traps compressor blow-by. The filtering bag also serves to contain desiccant, so no contamination can travel

downstream and cause havoc in the air system. The spin-off cartridge can be serviced in minutes. The compact purge tank can be installed anywhere and provides a full 460 cu. in. of clean purge air.

For all-weather operation the Turbo-2000 is equipped with a sealed 12 volt (or optional 24 volt)

75 watt thermostatically controlled heater with SAE industry standard connector.

Turbo-2000High duty cycle

HD-2000Continuous flow

Note: Approx. 95PSI gov cut in, 120PSI gov cut out


Clean/dry air Atmospheric pressure Dirty/wet charged air Dirty/wet purged air


Charge cycle

Upload/purge cycle

Charge cycle

Upload/purge cycle

Upgrade your Turbo and HD-2000 with Filtration Plus technology for optimal filtration performance.

*

* E-type versions only

*

• Ideal for light to medium air compressor duty cycles

• Virtually maintenance-free aftercooler technology

• Turbo boost protected for all engine applications (Available in Cummins/Holset compatible options)

This time-tested design pays for itself by protecting the brake system from moisture and contamination, while reducing maintenance practically to zero. With this air dryer, you can often install it and forget it.

The Brakemaster Turbo-AC aftercooler now provides turbo boost protection in the standard model. Also available are models that meet design requirements for the Cummins/Holset QE and E-Type compressors. No additional valving is required.

An excellent choice where there’s adequate airflow over the surface of the unit to allow it to cool properly. The TURBO-AC is designed for compressor output of up to 15 CFM and duty cycles of up to 20%.

An internal filter traps compressor blow-by and contaminants, while the large cooling chamber extracts moisture from the air.

For all-weather operation the TURBO-AC is equipped with a sealed 12 volt (or optional 24 volt) 75 watt thermostatically controlled heater with SAE industry standard connector.

• A compact, streamlined design for top performance on highway

• Self-contained purge air doesn’t steal from brake system

• Turbo boost protected for all engine applications (Available in Cummins/Holset compatible options)

The unique Turbo-3000 uses a highly efficient new formula to match compressed air to a compact desiccant package. This precise match of desiccant and purge volume reduces both size and weight, while effectively cleaning and drying the air system.

Ease of installation is an added benefit of this compact design. It makes retro-fitting a one-step operation. Ports are easily accessible and clearly marked.

The spin-on cartridge holds both desiccant and purge air and can be serviced in minutes.

For all-weather operation the Turbo-3000 is equipped with a sealed 12 volt (or optional 24 volt) 75 watt thermostatically controlled heater with SAE industry standard connector.

Turbo-ACLow maintenance

Turbo-3000Over the road





Charge cycle

Upload/purge cycle

Charge cycle

Upload/ purge cycle*


*


*

*

Vocational Matrix

Applications Turbo-2000 Turbo-3000 HD-2000 Turbo-AC Dual Turbo-2000

H.C. Dual Turbo-2000

Linehaul tractor/trailer X X* X** X X X

City pickup/delivery/ emergency rescue X X* X** X X X

On-off highway/ construction/mining X X* X** X* X X

Concrete mixer X X** X X

School bus X X** X X

Refuse - residential X X** X X

Bus - travel coach X X** X X

Bus - city transit X X** X X

Yard spotter/yard jockey X X** X X

Fire truck X X X

Small bus/RV X X* X* X X

Air over hydraulic brakes X X* X X X

Central tire inflation X*** X***

Pump-off trailer (engine mounted compressor)

X*** X***

Operating parameters

Maximum compressor duty cycle 40% 15% 40% 20% 100% 40%

Maximum compressor size 30 CFM 15 CFM 30 CFM 15 CFM 40 CFM 80 CFM

* Max allowable braked axles=5** For naturally aspirated compressors or DLU (Discharge Line Unload) air systems only*** Dual dryer application, call for installation detailsNote: Filtration Plus option available on Turbo-2000 and HD-2000 air dryers

® SKF is a registered trademark of the SKF Group.

© SKF Group 2010

The contents of this publication are the copyright of the publisher and may not be reproduced (even extracts) unless permission is granted. Every care has been taken to ensure the accuracy of the information contained in this publication but no liability can be accepted for any loss or damage whether direct, indirect or consequential arising out of the use of the information contained herein.

Publication 457969 (rev. 01/10)

Printed in U.S.A.

Certain image(s) used under license from Shutterstock.com.

SKF VSM NA890 N. State Street

Suite 200Elgin, IL 60123

1-800-882-0008www.vsm.skf.com

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