G15/G40
Manual Air-Assist spray guns designed for
exceptional spray quality and ease of use.
Exceptional Spray Quality
Maximize efficiency and quality,
while reducing operator fatigue!
G15/G40 air-assist guns use the highest quality
components for long lasting reliable performance.
Most importantly, the G15/G40 guns deliver superior
spray performance while improving transfer efficiency
and reducing material usage.
G15/G40 guns have increased
durability and efficiency!
• AAF tip line is designed for soft spray and
improved transfer efficiency
• Longer-lasting needle packing – even with
abrasive materials
• More robust aircap retaining ring threads
Different Applications
Need Different Guns
G15 – 1500 psi models
designed for the wood
industry and other low
and medium pressure
applications
G40 – 4000 psi models
designed for high pressure
industrial applications
• All tips have a ring to retain the tip in the aircap
• Easier removal of the integrated gun fluid filter –
no threads or tools needed
• G15 aircap indexing offers increased durability
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G40 RAC – A 4000 psi
model designed with a
Reverse-A-Clean tip for
high pressure applications
Reliable Performance
Merkur Air-Assist
Spray Quality
Achieve a Superior Finish
• Enhanced tip design creates uniform atomization for a
superior finish quality
• Unique aircap enables soft spray
• Lower fluid and air pressure design allows for increased
transfer effciency
• Adjustable fan pattern means less overspray, less material
waste, less VOC’s, and improved productivity
Ergonomics
Maximize Productivity
• Overall weight and gun balance is better than other spray
guns in its category
• Trigger pull force is ultra-light – reducing operator fatigue and
muscle stress
Packages
High Performance Finishing
Quality pumps enhance any finishing system.
Paired with G15/G40 air-assist spray guns,
the Merkur fine finish packages are designed
to improve productivity, reduce costs, lower
emissions and provide consistent, high quality
finishes for all of your demanding applications.
High Quality Finish
Low pulsation output and smooth pump
changeover deliver a consistent spray pattern.
Easy-to-use
Easy-to-flush design allows for fast color changes
and reduced solvent usage.
Rugged Construction
300 Series stainless steel pump construction
provides long-lasting durability.
• Handle design fits any size hand for increased operator
comfort
Cost of Ownership
Save Time and Money
• Ease of assembly and disassembly reduces repair time
• Designed to minimize wear of replacement parts
• Fewer parts means an overall lower cost of repair
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Designed with the User in Mind
A
A
A
A
Quick, Accurate Positioning!
The G15 indexing aircap provides fast and
accurate positioning in either the vertical or
horizontal position.
2
Reduce Overspray and
Increase Productivity!
3/4 turn fan pattern adjustment allows
the operator to change the spray width
according to the size of parts.
3
4
5
G15/G40 Air-Assist Gun
1. High strength hook
2. Aircap retain feature
3. Indexing aircap (G15 only)
4. Optimal spray pattern tips
5. Soft spray aircap
6. Quick change needle/seat assembly
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7. Ultra-light trigger pull
8. Integrated in-line filter
9. 3/4 turn fan pattern adjustment
10. Lightweight design (450 g)
11. Ergonomic handle
4
12. Optimal hose connect angles
13. Optional low profile fluid swivel
1
9
Increase Spray Performance!
Enhanced tip design provides uniform
atomization and improved finish quality
10
11
Three tip lines to meet the
needs of different applications
AAF Tips - Fine finish tips with a pre-orfice for
7
12
8
soft spray and increased transfer efficiency
AAM Tips - Fine finish tips for a high quality
finish at low and medium pressures
GG4 Tips - High wear tips for industrial finishes
at high pressures
13
All tips have a ring to retain
the tip in the aircap.
5
Ordering Information
Air-Assist Gun Models
• G15 carbide model is recommended for low to medium viscosity materials
• G15 acetal seat model is recommended for acid-catalyzed materials
• G40 models are recommended for high viscosity materials above 1500 psi
24C853 G15 Air-Assist Carbide Gun
Medium pressure gun includes carbide seat/ball, indexing aircap and choice of AAM or AAF spray
tip from chart, which is specified when order is placed.
24C854 G15 Air-Assist Gun
Medium pressure gun includes a plastic seat, indexing aircap and choice of AAM or AAF spray tip
from chart, which is specified when order is placed.
24C855 G40 Air-Assist Gun
High pressure gun includes a carbide seat, tip guard aircap and choice of AAM, AAF or GG4 spray
tip from chart, which is specified when order is placed.
24C856 G40 Air-Assist Hi-Flow Gun
High pressure gun with no restrictions to avoid pressure drop with heavy viscosity materials.
Includes a carbide seat, tip guard and a choice of AAM, AAF or GG4 spray tip.
24C857 G40 Air-Assist Reverse-A-Clean (RAC) Spray Gun
High pressure gun with a RAC spray tip to reduce downtime caused by frequent tip clogging.
Includes a carbide seat, tip guard, and a choice of LTX spray tip.
AA Series G15
AA Series G40
G40 RAC
Accessories
289080 Lacquer Aircap
Aircap optimized for spraying lacquer
289499 Fine Adjust Fan Pattern Knob
Replacement fan valve assemble for fine adjustment accuracy.
224453 100 Mesh Fluid Filter Kit
100 mesh (.005 gap spacing) replacement fluid filters. Quantity of 5.
238563 60 Mesh Fluid Filter Kit
60 mesh (.009 gap spacing) replacement fluid filters for coarser
particle filtering to replace standard 100 mesh filters. Quantity of 3.
241804 Tip Filter Kit
Replacement filters for spray tip orifice sizes 0.007, 0.009, and 0.011.
Quantity of 10.
189018 Fluid Swivel Connector
7500 psi (51.6 MPa, 516 bar) maximum working pressure.
Connector to ease movement of the gun and fluid hose.
24C356 JIC Fluid Fitting
Replaces standard npsm fluid fitting.
241812 Fluid Hose
3500 psi (24 MPa, 242 bar) maximum working pressure. 1/4-18
npsm(fbe), 3/16 in (5 mm) ID, 25 ft (7.62 m) long, nylon tubing with
polyurethane cover.
Technical Specifications
249473 Air Fitting and Tubing Kit
Alternative-style connector for air inlet and hose. 3/8 in to 1/4 Push-ToLock fitting, 25 ft (7.62 m) long, nylon tubing. Optional quick disconnect
available.
241811 Air Hose
100 psi (0.7 MPa, 7 bar) maximum working pressure. 1/4-18 npsm(fbe),
1/4 in (6 mm) ID, 25 ft (7.62 m) long polyurethane tubing.
15G093 G15 Gun Flush Box Insert
Insert for use with Gun Flush Box 244105 and G15 Spray Guns.
15G346 G40 Gun Flush Box Insert
Insert for use with Gun Flush Box 244105 and G40 Spray Guns.
249140 HVLP Verification Kit
Use to check air cap air pressure at various air supply air pressures.
Do not use for actual spraying.
249598 Unclogging Needle Kit
Kit includes picks for unclogging gun tip.
101892 Gun Brush
Use to clean the gun.
15C161 Ultimate Gun Cleaning Kit
Kit includes brushes and tools for gun maintenance.
Maximum Working Fluid Pressure ..... Model G15: 1500 psi (10 MPa, 105 bar)
Model G40: 4000 psi (28 MPa, 280 bar)
Maximum Working Air Pressure...................100 psi (0.7 MPa, 7 bar)
Maximum Working Fluid Temperature .......................110°F (43°C)
Fluid Inlet ...........................................1/4-18 npsm*
Air Inlet ..................1/4-18 npsm (R1/4-19) compound male thread**
Gun Weight .......................................16 oz (450 grams)
6
Sound Pressure at 20 psi (140 kPa, 1.4 bar) ....................66.9 dB(A)
Gun Body......................................... Forged Aluminum
Fluid Filter ............................................. 100 mesh
Trigger Pull ................................................ 3.9 lb
Wetted Parts ...........Stainless Steel, Carbide, Ultra High Molecular Weight
Polyethylene, Acetal, PTFE, nylon
Instruction Manual......................................... 3A0149
*Optional swivel fitting available
**Optional quick-disconnect available
Spray Tip Selection Chart
AAM and GG4 Spray Tip Selection Chart
• AAM Tips: Fine Finish Tips recommended for high finish quality applications at low and medium pressures.
• GG4 Tips: High Wear Industrial Tips recommended for high pressure applications.
Do not use tips marked with ‡ for Model G15 guns (24C853 or 24C854).
All tips in the Spray Tip Selection Chart can be used with Model G40 guns. Use tips marked with
Order desired tip (part no. AAMxxx or GG4xxx) from matrix below. xxx = 3 digit number below Maximum Pattern Width. (Example: AAM409)
*Fluid Output, fl oz/min (lpm) Maximum Pattern Width at 12 in (300 mm)
Orifice Size
in (mm)
† 0.007 (0.178) 4.0 (0.1) 5.2 (0.15)
† 0.009 (0.229) 7.0 (0.2) 9.1 (0.27) 109 209 309 409 509
† 0.011 (0.279) 10.0 (0.3) 13.0 (0.4) 111 211 311 411 511 611
0.013 (0.330) 13.0 (0.4) 16.9 (0.5) 213 313 413 513 613 713
0.015 (0.381) 17.0 (0.5) 22.0 (0.7) 215 315 415 515 615 715 815
0.017 (0.432) 22.0 (0.7) 28.5 (0.85) 217 317 417 517 617 717 817 917
0.019 (0.483) 28.0 (0.8) 36.3 (1.09) 219 319 419 519 619 719 819 919
0.021 (0.533) 35.0 (1.0) 45.4 (1.36) 321 421 521 621 721 821 921
‡ 0.023 (0.584) 40.0 (1.2) 51.9 (1.56) 423 523 623 723 923
‡ 0.025 (0.635) 50.0 (1.5) 64.8 (1.94) 425 625 725 825
‡ 0.027 (0.686) 58.5 (1.7) 75.8 (2.27) 527 627 827
‡ 0.029 (0.737) 68.0 (1.9) 88.2 (2.65) 629
‡ 0.031 (0.787) 78.0 (2.2) 101.1 (3.03) 431 631
‡ 0.033 (0.838) 88.0 (2.5) 114.1 (3.42) 633
‡ 0.035 (0.889) 98.0 (2.8) 127.1 (3.81) 435
‡ 0.037 (0.940) 108.0 (3.1) 140.0 (4.20) 737
‡ 0.039 (0.991) 118.0 (3.4) 153.0 (4.59) 539 639 839
*Tips are tested in water
† Tip sizes include a 150 mesh tip filter
◆GG4 tips only
◊ AAM tip only
‡ Do not use these tips with Model G15 guns (24C853 and 24C854)
at 600 psi
(4.1 MPa, 41 bar)
at 1000 psi
(7.0 MPa, 70 bar)
2 to 4
(100)
◆107
4 to 6
(150)
207 307
6 to 8
(200)
‡ for Model G40 guns only.
8 to 10
(250)
10 to 12
(300)
12 to 14
(350)
14 to 16
(400)
◊711
16 to 18
(450)
◆833
18 to 20
(500)
◆925
AAF Fine Finish Pre-Orifice Spray Tips Selection Chart
Recommended for high finish quality applications at low and medium pressure. AAF tips have a pre-orifice which assists in
atomizing shear thinning materials, including waterborne and lacquers. Order desired tip (part no. AAFxxx) from matrix below.
*Fluid Output, fl oz/min (lpm) Maximum Pattern Width at 12 in (305 mm)
Orifice Size
in (mm)
0.009 (0.228) 7.0 (0.20) 8.5 (0.25) 208 308 408
0.011 (0.279) 9.5 (0.28) 12.5 (0.37) 210 310 410 510 610 710
0.013 (0.330) 12.0 (0.35) 16.0 (0.47) 212 312 412 512 612 712
0.015 (0.381) 16.0 (0.47) 21.0 (0.62) 414 514 614 714
0.017 (0.432) 20.0 (0.59) 26.5 (0.78) 416 516 616 716
*Tips are tested in water
at 600 psi
(4.1 MPa, 41 bar)
at 1000 psi
(7.0 MPa, 70 bar)
4 to 6
(150)
6 to 8
(200)
8 to 10
(250)
10 to 12
(300)
12 to 14
(350)
14 to 16
(400)
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ABOUT GRACO
Founded in 1926, Graco is a world leader 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 unparalleled customer service. Working closely with qualified distributors, Graco
offers systems, products and technology that set the quality standard 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.
GRACO LOCATIONS
MAILING ADDRESS
P.O. Box 1441
Minneapolis, MN 55440-1441
Tel: 612-623-6000
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Graco Inc.
88 -11th Avenue N.E.
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DISTRIBUTION/
SERVICE
North America
Customer Service
800-328-0211
Fax 877-340-6427
Call today for product information or to request a demonstration.
877-84GRACO (1-877-844-7226) or visit us at www.graco.com.
Graco Inc. is registered to I.S. EN ISO 9001
©2014 Graco Inc. 336937 Rev. E 3/14 All written and visual data contained in this document are based on the latest product information available at the time
of publication. Graco reserves the right to make changes at any time without notice. All other brand names or marks are used for identification purposes and
are trademarks of their respective owners.
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