Owner's manual

Operation, Installation & Maintenance Manual
Series 38R ••• Self-Operating Regulators
Operation, Installation & Maintenance Manual
Page 2
Principles of Operation of the Regulator 3
Identifying Your Unit
Pressure and Temperature Limits 4
Regulator – Installation 5
Sensing Bulb – Location & Installation 6
Placing Regulator into Operation & Setting Control Point 7
Routine Service 8
Stem Seal Packing 9
Checking the Regulator for Proper Action 10-11
Valve Body Assembly 12-13
Reversing the Valve Action 14-15
3-Way Regulator – Installation & Maintenance 16
Option 3 – “Fail-Safe” Installation & Maintenance 17
Typical Applications 18-19
Typical Heat Exchanger Application Using a Self-Op 2-Way Valve
Typical Heat Exchanger Application Using a Self-Op 3-Way Diverting Valve
Typical Plumbing for a Self-Op 3-Way Mixing Valve
Typical Water Application Using a Self-Operating Regulator
Typical Fuel Storage Application Using a Self-Operating Regulator
Typical Plating or Pickling Application Using a Self-Operating Regulator
Trouble-Shooting 20-21
TABLE OF CONTENTS