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STAINLESS STEEL, WATERBASE COMPATIBLE
Back Pressure Regulator
For use in circulating systems to provide regulated back pressure to spray
gun(s) and to maintain proper system pressure. Model 237503 is the back
pressure regulator only. Model 236770 includes the gauge, tube, inlet adapter
and outlet swivel union.
300 psi (21 bar, 2.1 MPa) Maximum Inbound Pressure
180 psi (12.4 bar, 1.24 MPa) Maximum Regulated Pressure
Model 236770, Series B
Model 237503, Series B
Table of Contents
Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dimensions 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warranty Back Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Information Back Cover. . . . . . . . . . . . . . . . . . . .
Instructions–Parts List
308401E
ENG
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
03505
Model 236770
03963
Model 237503