Graco G250 Instructions And Parts
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Graco G250 Instructions And Parts

Volumetric fluid flow meter
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Instructions-Parts
Volumetric Fluid Flow
Meter
For precise metering of plural component fluids and solvents.
See page 2 for model information, including maximum working pressure.
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
Recognized Component
9902471
Conforms to UL2279
Certified to
CAN/CSA E79-0
CAN/CSA E79-11
EExia II A T3
II 1 G
ITS03ATEX21212
*
0359
Intrinsically Safe for Hazardous Locations (Class I; Division 1;
Group D) when used with an approved barrier only.
*
CE mark approvals only apply to meters used as part of Graco
ProMix, ProMix 2KS, and PrecisionMix II Systems.
http://gracomanual.com
G3000 and G3000HR
(Model 289813 with 90°
Sensor Connector Shown)
G250 and G250HR
308778L
TI11579a
TI13038a

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Summary of Contents for Graco G250

  • Page 1 0359 Intrinsically Safe for Hazardous Locations (Class I; Division 1; Group D) when used with an approved barrier only. CE mark approvals only apply to meters used as part of Graco ProMix, ProMix 2KS, and PrecisionMix II Systems. TI13038a http://gracomanual.com...

  • Page 2: Table Of Contents

    Flow Volume Range ..... . 7 Graco Information ......18 Checking the Meter Accuracy .

  • Page 3: Warnings

    Keep liquids away from the electronic sensor device. • Do not service the electronic sensor. Return it to your Graco distributor for service. PRESSURIZED EQUIPMENT HAZARD Fluid from the gun/dispense valve, leaks, or ruptured components can splash in the eyes or on skin and cause serious injury.
  • 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.

  • Page 5: Installation

    Installation Installation Installing the Flow Meter • Flow volume can only be measured at the location where the flow meter is installed. • All electrical equipment must only be installed by • The Fluid Flow Meters are intrinsically safe for Class a qualified electrician.

  • Page 6: Grounding

    Installation Grounding 1. Ground the flow meter by connecting a grounded cable to the sensor. Have a qualified electrician check the electrical grounding continuity between the flow meter sensor and a true earth ground; remove the cable connec- tor from the sensor and measure the resistance from the cable connector Pin B to true earth ground.

  • Page 7: Operation

    (cc) and read the volume on the Recommended Usage flow meter monitor. G3000 and G250: If the flow meter scale factor is not between 0.112-0.140 cc/pulse, follow the clean- ing procedure on page 10, then recalibrate the flow meter.

  • Page 8: Troubleshooting

    Troubleshooting Troubleshooting Before servicing this equipment always make sure to relieve the pressure. NOTICE The sensor is not a serviceable part. Replace it if it is malfunctioning. Problem Cause Solution No flow volume displayed at monitor- Flow volume is too low to measure. Increase flow volume.

  • Page 9: Maintenance

    Maintenance Maintenance Flushing If the meter is not installed in an instrinsically safe location, make sure the power is off or the electronic sensor is disconnected before wiping the outside of the meter clean with a cloth dampened in a compati- Flush the fluid supply line and meter fluid reservoir daily ble solvent or flushing the meter.

  • Page 10: Cleaning Or Servicing The Meter Chamber

    11. Install the screws. Tighten them oppositely and Use only genuine Graco replacement parts. Substitu- evenly, to 12 ft-lb (16 N•m). Do not over-tighten. tion of components may impair intrinsic safety. This could result in a failure which causes serious injury 12.

  • Page 11: Parts

    Parts Parts Flow Meter Kits, for ProMix 2KS Wall Fluid Panel 15V804 G3000 Meter Kit 15V827 G3000HR Meter Kit TI12427a Ref. Part No. Description 289813 METER, gear, G3000; used on 15V804; see page 12 289814 METER, gear, G3000HR; used on 15V827; see page 12 501867 VALVE, check 234628 HARNESS, cable, with connec- 114182 SCREW, machine, hex flange...

  • Page 12: Bare Meter Assemblies

    Parts Bare Meter Assemblies 289813 G3000 Meter, with 90° sensor connector 289814 G3000HR Meter, with 90° sensor connector Ref. Part No. Description Qty. 114100 SCREW, socket-hd; M4 x 55 mm long 249430 ELECTRONIC SENSOR 239719 GEAR METER ASSEMBLY; includes items 4-11; used on 289813 244291 GEAR METER ASSEMBLY;...
  • Page 13 Parts 239716 G3000 Meter 244292 G3000HR Meter Ref. Part No. Description Qty. 114100 SCREW, socket-hd; M4 x 55 mm long 239717 ELECTRONIC SENSOR 239719 GEAR METER ASSEMBLY; includes items 4-11; used on 239716 244291 GEAR METER ASSEMBLY; includes items 4-11; used on 244292 110580 •...
  • Page 14 Parts 249426 G250 Meter 249427 G250HR Meter Ref. Part No. Description Qty. 111308 SCREW, cap, socket-hd HOUSING, upper 110588 O-RING; ptfe 239718 GEAR; used on 249426 244290 GEAR; used on 249427 192383 SHAFT, gear; used on 249426 197142 SHAFT, gear; used on 249427...

  • Page 15: Dimensions

    Dimensions Dimensions G3000 and G3000HR G250 and G250HR Mounting Holes (bottom view) Mounting Holes (bottom view) 1.73 in. (43.94 mm) 1.73 in. (43.94 mm) Part Nos. 289813 and 289814 Part Nos. 249426 and 249427 3.75 in. (95.25 mm) 1/4-18 npt(f) 4.00 in.

  • Page 16: Technical Data

    250 psi (1.72 MPa, 17.2 bar) Flow Range G3000 and G250 ......0.02-1.0 gal/min (75-3800 cc/min) G3000HR and G250HR .

  • Page 17: Pressure Drop Curve

    Pressure Drop Curve Pressure Drop Curve 500 cps 400 cps 300 cps 200 cps 100 cps 50 cps G3000/G250 0.0 0.1 GAL/MIN G3000HR/G250HR 0.0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 GAL/MIN 308778L...

  • Page 18: 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.

This manual is also suitable for:

G250hrG3000G3000hr249426249427239716 ... Show all

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