REACTOR™

A - 2 0plura l -component propor t i o n e r

Cost-effective, high-

performance, air-driven

foam proportioner

GracoIGusmer Air-driven Foam Proportioner

Advancing the Industry

Engineered for easy operation and improved reliability, the A-20 is the ideal cost-effective, high-performance, air-driven foam proportionerfor spraying foam materials. This unit combinesGusmer’s proven reliability with Graco’s advancedperformance and control.

A - 20 for Fo a m :• Residential foam insulation spra y i n g

Ty p i cal Applica t i o n s

UPGRADES AND FEATURES

Improved Heater DesignHeats material quickly with 6,000 watts of heat – provides accurate heat control for reliable spraying in colder environments.

Automatic Hose Heat ControlNo transformer taps to change. Automatically powers up to 93 m (310 feet) of hose.

Power ConversionJumpers provided to easily adapt to different electrical supplyvoltages.

Automatic Over-temperature ShutdownPrimary and hose heat circuit shutdown with resettable switches.

New Solenoid Valve and Larger Air LinesIncreased air flow to air motor improves efficiency and increasesoutput.

ISO Pump Lube SystemRecirculates TSL™ (Throat Seal Liquid) around the ISO pump seal.Prevents ISO from forming hard crystals on the pump rods.

Ready to SprayThe basic unit includes inlet strainers, ball valves, air filter/water separator, and fluid temperature sensor for whip hose.

Quick Reference/Ordering Information

3-Position Air Motor Control

Off/On/Start pump control with resettable power shutdown from overpressure condition

Run/Park Control

Park the ISO pump rod in fluid to prevent ISO hardening and extend packing life

Recirculation Manifold

• Provides a quick, convenient way to balancesystem pressures

• Connect optional return hoses to supply drumsfor material drum pre-heating ca p a b i l i ty

Digital Temperature Control

• For improved temperature a c c u ra cy, better material properties and increased yields

Compact Design

• Portable, easy to move, and uses less floor space

• Bolt down or snap-in ca s t e r s

SPECIFICATIONS REACTOR™ A-20

Maximum output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.1 kg/min (20 lbs / min)Maximum fluid working pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 bar (13.8 MPa, 2,000 psi)Maximum inlet air pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.3 bar (0.83 MPa, 120 psi)Air consumption @ 7 bar (0.7 MPa, 100 psi) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 scfm (with Fusion® AP AR4242)System air consumption @ 7 bar (0.7 MPa, 100 psi) with 2:1 feed pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 scfm at flow rate listed aboveMaximum fluid temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82°C (180°F)Maximum heater wattage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6,000 wattsMaximum hose length (3/8 ID plus 1/4 ID whip hose) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 m (310 ft)Power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39A at 230V, 1-phase

22A at 230V, 3-phase14A at 400V, 3-phase

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 kg (250 lbs)Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 cm H x 69 cm W x 64 cm D (39 H x 27 W x 25 D in)Operation Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311511Repair Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311512

Graco Reactor A-20

253831 Bare proportioner for all voltages and phases

253834 System package. Includes Reactor A-20, 15m (50 ft) heated hose, 3m (10 ft) heated whip hose and Air Purge Fusion® gun with AR4242 (01) mix chamber.

ORDERING INFORMATION

©2006 Graco Inc./Graco N.V. 338319 E (Rev. A) 10/06 Printed in Europe. All other brand names or marks are used for identification purposes and are trademarks of their respective owners.

Graco is certified ISO 9001.

ABOUT GRACOP R O V E N Q U A L I T Y . L E A D I N G T E C H N O L O G Y .

Founded in 1926, Graco is among the leading group in fluid handling systems and components.Graco products move, measure, control, dispense and apply a wide range of fluids and viscous materials used in vehicle lubrication, commercial and industrial settings.

The company’s success is based on its unwavering commitment to technical excellence, world-class manufacturing and first-class customer service. Working closely with qualified distributors, Graco offers systems, products and technology which set quality standards in a wide range of fluid handling solutions. Graco provides equipment for spray finishing, protective coating, paint circulation, lubrication, and dispensing sealants and adhesives, along with power application equipment for the contractor industry. Graco’s ongoing investment in fluid management and control will continue to provide innovative solutions to a diverse global market.

AMERICASMINNESOTAWorldwide HeadquartersGraco Inc.88-11th Avenue N.E.Minneapolis, MN 55413

MAILING ADDRESSP.O. Box 1441Minneapolis, MN 55440-1441Tel 612 623-6000Fax 612 623-6777

EUROPEBELGIUMEuropean HeadquartersGraco N.V.Industrieterrein Oude BundersSlakweidestraat 313630 Maasmechelen, BelgiumTel 32 89 770 700Fax 32 89 770 777E-mail: info@graco.be

ASIA PACIFICJAPANGraco K.K.1-27-12 HayabuchiTsuzuki-kuYokohama City, Japan 2240025Tel 81 45 593 7300Fax 81 45 593 7301

CHINAGraco Hong Kong Ltd.Representative Office, Room 118 1st FloorNo. 2 Xin Yuan BuildingNo. 509 Cao Bao RoadShanghai, P.R.China 200233Tel 86 21 649 50088Fax 86 21 649 50077

KOREAGraco Korea Inc.Choheung Bank building, 4th Floor#1599, Gwanyang-Dong, Dongn-KuAnyang-Si, Gyunggi-DoKorea 431-060Tel 82-31-476-9400Fax 82-31-476-9801

GRACO HEADQUARTERS

All data in this document is based on the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice.

GRACO N.V.Industrieterrein Oude BundersSlakweidestraat 31B-3630 MaasmechelenTel: +32 (89) 770 700Fax: +32 (89) 770 777E-mail: info@graco.beInternet: www.graco.be