Pressure Reducing Valve Operation and Maintenance Manual
Table of Contents
I. Manually Set Pressure Reducing Valve
1. Introduction
...............................................................................................3
2. Installation
.................................................................................................3
3. Operation
...................................................................................................3
4. Maintenance
..............................................................................................3
II. Electronically Actuated Pressure Reducing Valve
1. Introduction
...............................................................................................4
2. Installation
.................................................................................................4
3. Operation
...................................................................................................4
4. Maintenance
..............................................................................................5
Parts drawings ................................................................................................. 6-13
Dimensional drawings .................................................................................. 14-15
Circuit Board drawing .........................................................................................16
PRV-71H Torque Specifi cations
Item
ft./lbs.
Lower End Cap
200
Hex Head Screws and Nuts
80
General Specifi cations
Maximum Pressure:
600 PSI (41 Bar)
Outlet Pressure Range:
0-45 PSI (0-3 Bar)
(See Section I.4 for manual PRVs & Section II.4 for
Actuated PRVs for more information.)
Operating Temperature:
-15°F (-26°C) to 225°F (107°C)
*
Operating Temperature:
-15°F (-26°C) to 150°F (65°C)
Inlet/Outlet Connections:
¾" FPT or 1" FPT
Vent Connection:
¼"
FPT
(See Section I.2 for manual PRVs & Section II.2 for
Actuated PRVs for more information on installing the vent
connection.)
Mounting:
Inline or wall mounted with PRH-353A-8000 mounting
bracket.
Capacity:
8000 PPD Cl
2
or SO
2
(4000 PPD NH
3
)
12,000 PPD Cl
2
or SO
2
(6000 PPD NH
3
)
*
Power:
120VAC or 240VAC, 50/60 Hz
*
Relay/Limit Switch:
1 NO or NC, 22 Amps
* For electronically actuated PRVs only.
2
