Graco A Series Instructions - Parts Manual
Low flow fluid regulator
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Instructions-Parts
Low Flow Fluid
Regulator
Pneumatic controlled fluid regulator provides accurate, positive pressure control of
finishing coatings in low flow applications. For professional use only.
100 psi (0.7 MPa, 7 bar) Maximum Air Inlet Pressure
300 psi (2.1 MPa, 21 bar) Maximum Fluid Inlet Pressure
90 psi (0.63 MPa, 6.3 bar) Maximum Regulated Fluid
Pressure (High Pressure Port, All Models)
Part No. 24C375, Series A
Part No. FXRG1X and FXRG1T
1:1 Ratio, 90 psi (0.63 MPa, 6.3 bar) Maximum
Regulated Fluid Pressure (Low Pressure Port)
Part No. 24E471, Series A
Part No. FXRG2X and FXRG2T
1:2 Ratio, 50 psi (0.35 MPa, 3.5 bar) Maximum
Regulated Fluid Pressure (Low Pressure Port)
Part No. 24E472, Series A
Part No. FXRG3X and FXRG3T
1:3 Ratio, 30 psi (0.21 MPa, 2.1 bar) Maximum
Regulated Fluid Pressure (Low Pressure Port)
Important Safety Instructions
Read all warnings and instructions in this
manual before using the equipment.
Save these instructions.
24C375, 24E471, and 24E472
FXRG1X, FXRG2X, and FXRG3X (w/o transducer fitting)
FXRG1T, FXRG2T, and FXRG3T (w/transducer fitting)
3A0427D
EN
TI15288a
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Table of Contents
Related Manuals for Graco A Series
Summary of Contents for Graco A Series
- Page 1 Instructions-Parts Low Flow Fluid Regulator 3A0427D Pneumatic controlled fluid regulator provides accurate, positive pressure control of finishing coatings in low flow applications. For professional use only. 100 psi (0.7 MPa, 7 bar) Maximum Air Inlet Pressure 300 psi (2.1 MPa, 21 bar) Maximum Fluid Inlet Pressure ...
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Page 2: Table Of Contents
Pressure Relief Procedure ....8 Graco Standard Warranty ....20 Available Pressures . -
Page 3: Warnings
Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable. - Page 4 Warnings WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.
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Page 5: Installation
(E) which is connected to a true earth ground. Follow between the 1/8 npt(f) fluid outlet port and the system’s local code. Graco Part No. 222011 Ground Wire and fluid dispense point. Clamp is available as an accessory. See F . - Page 6 Installation Pilot air signals from a manual air regulator or electronic air control To fluid dispense point ™ Installation with an IniFlex FXRG regulator. See the IniFlex manual (3A8637) for more IniFlex information. From fluid supply TI15498a Installation with a 24C375, 24C471, or 24E472 regulator. .
- Page 7 Installation 3A0427D...
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Page 8: Operation
Operation Operation Pressure Relief Procedure See the Performance Data on pages 17 and 18 to help determine which ratio is best for your application. Performance is affected by: Follow the Pressure Relief Procedure whenever you see this symbol. • Fluid inlet pressure •... -
Page 9: Flush The Equipment
Operation Flush the Equipment • Flush before changing colors, at the end of the day, before storing, and before repairing the equipment. • Flush with a fluid that is compatible with the fluid you are pumping and with the wetted parts of your system. -
Page 10: Troubleshooting
Troubleshooting Troubleshooting Follow the Pressure Relief Procedure, page 8, before checking or repairing the equipment. To repair the regulator, refer to Repair on page 11. Problem Cause Solution No fluid flow. Plugged fluid inlet. Flush fluid line and regulator. Exhausted fluid supply. Check fluid supply and supply pump. -
Page 11: Repair
Repair Repair NOTE: The white ptfe diaphragm (9a*) must always face the fluid. Install the white ptfe diaphragm first, followed by the black nylon/buna-N diaphragm (9b*). 2. Insert the needle (6) in the fluid chamber housing Disassembly (1). Hold in place with a screwdriver or allen wrench. Install the fluid chamber piston (8), o-ring (11*), ptfe 1. - Page 12 Repair Torque oppositely and alternately to 25 in-lb (2.8 N•m). Apply thread sealant. Apply pipe sealant. White PTFE diaphragm (9a) must always face the fluid. 15*† 3† 14† For systems using IniFlex *9b (nylon/buna-N) components. *9a (ptfe) 5* 6 7 .
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Page 13: Parts
Parts Parts 24C375 1:1 Ratio Fluid Regulator, Series A FXRG1 1:1 Ratio Fluid Regulator, IniFlex 24E471 1:2 Ratio Fluid Regulator, Series A FXRG2 1:2 Ratio Fluid Regulator, IniFlex 24E472 1:3 Ratio Fluid Regulator, Series A FXRG3 1:3 Ratio Fluid Regulator, IniFlex Ref. - Page 14 Parts See parts breakdown below TI15289a 15*† 3† 14† For systems using IniFlex *9b (nylon/buna-N) components. *9a (ptfe) 5* 6 7 3A0427D...
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Page 15: Dimensions
Dimensions Dimensions Part Nos. 24C375, 24E471, 24E472 2.70 in. (69 mm) 1.81 in. (46 mm) diameter) Part Nos. FXRG1X, FXRG2X, FXRG3X 1.91 in. (49 mm) TI15288a Bracket Mounting Hole Diagram Part Nos. 24C375, 24E471, 24E472 Part Nos. FXR61x, FXR62x, FXR63x 1.08 in. - Page 16 Dimensions 3A0427D...
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Page 17: Performance Data
Performance Data Performance Data Use the following charts to choose the best ratio for your • A higher ratio (1:3) will have a flatter response curve application, depending on the desired fluid pressure and will not react as strongly to changes in the air range and pressure losses due to flow rate, fluid pilot signal. - Page 18 Performance Data 1100 1000 1:1 Ratio, 25 centipoise 1:1 Ratio, 75 centipoise 1:2 Ratio, 25 centipoise 1:3 Ratio, 25 centipoise 1:2 Ratio, 75 centipoise 1:3 Ratio, 75 centipoise (MPa, bar) (0.14, 1.4) (0.28, 2.8) (0.42, 4.2) (0.56, 5.6) (0.7, 7.0)
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Page 19: Technical Specifications
Technical Specifications Technical Specifications Low Flow Fluid Regulator Metric Maximum air inlet pressure 100 psi 0.7 MPa, 7 bar Maximum fluid inlet pressure 300 psi 2.1 MPa, 21 bar Maximum regulated fluid pressure (air high 90 psi 0.63 MPa, 6.3 bar inlet port;... -
Page 20: Graco Standard Warranty
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.