Filter
Top Products
2 309474K
Contents
List of Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Back Pressure Regulators . . . . . . . . . . . . . . . . . 6
Fluid Pressure Regulators . . . . . . . . . . . . . . . . . 6
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Flush Before First Use . . . . . . . . . . . . . . . . . . . 11
Pressure Relief Procedure . . . . . . . . . . . . . . . . 11
Adjusting the Regulator . . . . . . . . . . . . . . . . . . . 11
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Cleaning and Repair . . . . . . . . . . . . . . . . . . . . . 13
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Mechanical Fluid Pressure Regulators
Part Nos. 233759 and 234267 . . . . . . . . . . 14
Mechanical Back Pressure Regulators
Part Nos. 233812 and 234258 . . . . . . . . . . 15
Mechanical Fluid Pressure Regulators
Part Nos. 233757, 233774, 234263, and
234273 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Mechanical Back Pressure Regulators
Part Nos. 233758, 233811, 233950, 234255,
234261, and 234262 . . . . . . . . . . . . . . . . . . 17
Pneumatic Fluid Pressure Regulators
Part Nos. 233773, 233809, 234272, and
234256 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Pneumatic Back Pressure Regulators
Part Nos. 233810 and 234257 . . . . . . . . . . 19
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Accessory Gauges . . . . . . . . . . . . . . . . . . . . . . . . . 21
Flow Rate Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Mounting Dimensions . . . . . . . . . . . . . . . . . . . . . . 22
Graco Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Manual Conventions
Warning
Caution
WARNING
A warning alerts you to the possibility of serious injury
or death if you do not follow the instructions.
Symbols, such as fire and explosion (shown above),
alert you to a specific hazard and direct you to read
the indicated hazard warnings (pages 4-5) for detailed
information.
CAUTION
A caution alerts you to the possibility of damage to or
destruction of equipment if you do not follow the
instructions.