Graco G250HR, G3000HR, g250 important safety instructions Contents

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