Graco 309550U Mix Chamber Kits, Round Pattern Guns, Flat Pattern Guns, Sample part no. AR4242

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Parts

Mix Chamber Kits

Round Pattern Guns

Mix Chamber Kit

Nozzle

Nozzle Drill

Impingement

Impingement

Counterbore

Counterbore

(includes drill bits)

Orifice

Bit Size,

Port Size

Port Drill Bit

Size

Drill Bit Size,

 

Size

in. (mm)

 

Size, in. (mm)

 

in. (mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AR2020

0.042

#58 (1.00)

0.020

#76 (0.50)

0.060

#53 (1.50)

 

 

 

 

 

 

 

AR2929

0.052

#55 (1.30)

0.029

#69 (0.70)

0.060

#53 (1.50)

 

 

 

 

 

 

 

AR3737

0.052

#55 (1.30)

0.037

#63 (0.94)

N/A

N/A

 

 

 

 

 

 

 

AR4242

0.060

#53 (1.50)

0.042

#58 (1.00)

N/A

N/A

 

 

 

 

 

 

 

AR5252

0.070

#50 (1.75)

0.052

#55 (1.30)

N/A

N/A

 

 

 

 

 

 

 

AR6060

0.086

#44 (2.15)

0.060

#53 (1.50)

N/A

N/A

 

 

 

 

 

 

 

AR7070

0.094

3/32 (2.35)

0.070

#50 (1.75)

N/A

N/A

 

 

 

 

 

 

 

AR8686

0.116

#32 (2.90)

0.086

#44 (2.15)

N/A

N/A

 

 

 

 

 

 

 

Flat Pattern Guns

Mix Chamber

Ref. No.

Nozzle

Nozzle Drill

Impingement

Impingement

Counterbore

Counterbore

Kit (includes

40†,

Orifice

Bit Size,

Port Size

Port Drill Bit

Size

Drill Bit Size,

drill bits and

O-ring

Size

in. (mm)

 

Size, in. (mm)

 

in. (mm)

o-ring)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AF2020

246360

0.094

3/32 (2.35)

0.020

#76 (0.50)

0.060

#53 (1.50)

 

 

 

 

 

 

 

 

AF2929

246360

0.094

3/32 (2.35)

0.029

#69 (0.70)

0.060

#53 (1.50)

 

 

 

 

 

 

 

 

AF4242

246360

0.094

3/32 (2.35)

0.042

#58 (1.00)

N/A

N/A

 

 

 

 

 

 

 

 

AF5252

246360

0.094

3/32 (2.35)

0.052

#55 (1.30)

N/A

N/A

 

 

 

 

 

 

 

 

†Available only in flat mix chamber kits or in 246360 multi-pack kit.

Mix Chamber Part No. Reference Guide

Sample part no. AR4242:

AR

42

42

 

 

 

 

 

 

AR=Air purge

A orifice size

B orifice size

round pattern

(.042 in.)

(.042 in.)

AF=Air purge

 

 

flat pattern

 

 

 

 

 

309550U

37

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Contents Plural Component, Impingement Mix Air Purge Spray Gun Manual Conventions ContentsRound Pattern Guns List of Models/Mix Chamber Selection GuideFlat Pattern Guns No., Series In. mm Flat Pattern Stud Wall GunIn. mm 1000 psi MPa, 70 bar 249525 249526Wide Round Pattern Gun Spatter Pattern GunFour-Hose Gun Non 11 Ratio GunsPersonal Protective Equipment Fire and Explosion Hazard Key Overall ViewIsocyanate Hazard Piston Safety LockKeep a and B Components Separate GroundingTurning Air Cap Follow Pressure Relief Procedure,Loss of Air Pressure Resin ISO SetupTI2413A Shutdown Pressure Relief Procedure Optional Fluid Manifold Position Optional ConfigurationsRemove Front End, Attach Front End,Optional Hose Position Follow Pressure Relief Procedure, page 15. AlsoFlat Spray Tips Maintenance Clean Air Cap Clean Outside of GunClean Muffler Clean Fluid ManifoldClean Passages Clean Mix Chamber NozzleClean Impingement Ports Nozzle Drill Bit SizesCbip Impingement Port Drill Bit SizesProblem Cause Solution TroubleshootingProblem Cause Solution Gun Triggered Fluid Spraying Theory of OperationGun Detriggered Air Purging Cutaway View Tools Required RepairLubrication Remove Front EndX Z Attach Front End18 B Mix Chamber and Side Seal Cartridges18c 18b 18d Check Valves Piston Air Valve Piston Safety LockCheck Valve 26 Detail PartsRound Pattern Guns, Part No. Description QtySee Flat Pattern Guns, See Supplied Tools,Detail Views Round Pattern Guns Mix Chamber KitsFlat Pattern Guns Mix Chamber Part No. Reference GuideGun Repair Kits Flat Tip KitsCheck Valve Filter Screen Kits Flat Tip Part No. Reference GuideKit Part No Qty in Kit Drill Bit Size Illustration Nominal Drill Bit Kits248969 Air Purge Handle Cleanout Drill KitWide Pattern Mix Chamber Kits AccessoriesStainless Steel Side Seal Kits Polycarballoy Side Seal KitsExtension Tip Seal Kits Extension Tip KitsExtension Tip Air Cap Kit Flat Pattern Stud Wall KitPour Nozzle Kit Spatter Conversion KitFlushing Manifold Solvent Flush Canister KitCirculation Manifold Tip Cleanout Tool15D234 246362Air Flow Data in scfm m3/min Technical DataCategory Data Graco Information Graco Standard WarrantyToll Free

309550U specifications

The Graco 309550U is a top-of-the-line airless paint sprayer that caters to both professionals and DIY enthusiasts. With its advanced features and user-friendly design, it stands out as an essential tool for achieving a flawless finish on various painting projects.

One of the main characteristics of the Graco 309550U is its powerful motor, which delivers a high level of pressure, making it suitable for a wide range of coatings. This airless sprayer can handle everything from thin paints to thicker latex and enamels without clogging, ensuring smooth and consistent application. The unit is designed to cover large areas quickly, allowing users to complete their projects in a fraction of the time compared to traditional roller or brush methods.

Equipped with Graco's exclusive ProXChange pump technology, the 309550U allows for easy pump replacement on the job site without the need for tools. This feature enhances productivity by minimizing downtime, enabling users to keep working seamlessly. The unit also boasts an innovative suction tube that can draw paint directly from the can, eliminating the need for cumbersome pouring and mess.

Another noteworthy feature is the adjustable pressure control, which allows users to customize the spray pattern and flow rate. This adaptability ensures optimal coverage in various environments and surfaces, whether applying a fine mist for intricate details or a heavier coat for larger surfaces. The built-in filter system further enhances performance by preventing debris from entering the spray mechanism, ensuring a smooth, even finish.

The Graco 309550U is designed with portability in mind. It features a lightweight frame and durable wheels, making it easy to transport across job sites or around the house. Additionally, the sprayer comes with a convenient carry handle for added mobility. Safety features, including a trigger lock, are also implemented to prevent accidental activation, giving users peace of mind during operation.

In conclusion, the Graco 309550U airless paint sprayer is a versatile and efficient tool that combines powerful performance with user-friendly features. Its robust design, ease of use, and innovative technologies make it an ideal choice for both professional painters and homeowners looking to achieve exceptional results in their painting endeavors. Whether you're tackling an interior room, exterior surface, or detailed trim work, the Graco 309550U ensures a flawless finish every time.
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