Dwyer 38R User Manual
Page 2
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