Models

Contents

Models

2

Troubleshooting

. . . . . 8

Low Pressure Meters

2

Maintenance

. . . . . 9

High Pressure Meters

2

Residue Build-up on the Meter Gears . . . .

. . . . . 9

Warnings

3

Flushing

. . . . . 9

Installation

5

Cleaning or Servicing the Meter Chamber

. . . . 10

Dust and Foreign Matter

5

Parts

. . . . 11

Installing the Flow Meter

5

Flow Meter Kits

. . . . 11

Grounding

6

Bare Meter Assemblies

. . . . 12

Operation

7

Dimensions

. . . . 15

Pressure Relief Procedure

7

Technical Data

. . . . 16

Flow Meter Function

7

Pressure Drop Curve

. . . . 17

Recommended Usage

7

Graco Standard Warranty

. . . . 18

Flow Volume Range

7

Graco Information

. . . . 18

Checking the Meter Accuracy

7

 

 

Models

Low Pressure Meters

300 psi (2.1 MPa, 21 bar) Maximum Fluid Working Pressure

Meter Part

 

 

 

No.

Series

Model

Flow Range

 

 

 

 

249426

A

G250

0.02 to 1.0 gpm (75 to 3800 cc/min)

 

 

 

 

249427

A

G250HR

0.01 to 0.5 gpm (38 to 1900 cc/min)

 

 

 

 

High Pressure Meters

4000 psi (28 MPa, 280 bar) Maximum Fluid Working Pressure

Meter Part

 

 

 

No.

Series

Model

Flow Range

 

 

 

 

239716

A

G3000

0.02 to 1.0 gpm (75 to 3800 cc/min)

 

 

 

 

244292

A

G3000HR

0.01 to 0.5 gpm (38 to 1900 cc/min)

 

 

 

 

289813

A

G3000, with 90° sensor connector

0.02 to 1.0 gpm (75 to 3800 cc/min)

 

 

 

 

289814

A

G3000HR, with 90° sensor connector

0.01 to 0.5 gpm (38 to 1900 cc/min)

 

 

 

 

2

308778L

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Graco G250HR, G3000HR, g250 important safety instructions Contents, Models