3100PRS

3100PRS is a normally open master valve providing recycled water protection and pressure regulation.

Available in Sizes: 1″ to 3″

Where to Buy

– Normally Open Design
Normally Open design allows for constant system pressurization

– On-Demand Access
On-demand access for manual irrigation and quick coupler use

– Improved Flow
Low seat design decreases pressure loss and improves flow

– Self-cleaning
Self-cleaning inlet orifice with metering rod allows only “clean water” to enter upper diaphragm chamber offering consistent, trouble-free operation

– Reinforced Diaphragm
600 lb. test nylon reinforced EPDM diaphragm

– Two-piece Assembly
Two-piece upper diaphragm and lower seat assembly maximizes flow through valve and protects diaphragm from harmful debris.

– Pressure Regulation
Can be regulated to maintain constant outlet pressure between 10 and 125 PSI.

– Dirty & Clean Water
Reliable operation for dirty and recycled water applications

Model NumberSizeModel Description
3100100PRS1"1" Normally Open Pressure Regulating Master Valve
3100125PRS1 1/4"1 1/4" Normally Open Pressure Regulating Master Valve
3100150PRS1 1/2"1 1/2" Normally Open Pressure Regulating Master Valve
3100200PRS2"2" Normally Open Pressure Regulating Master Valve
3100250PRS2 1/2"2 1/2" Normally Open Pressure Regulating Master Valve
3100300PRS3"3" Normally Open Pressure Regulating Master Valve

Solenoid Specifications

  • Standard 24 VAC
  • Optional 110 VAC

Operating Ranges

  • Flow: 5 to 320 GPM
  • Pressure: 20 to 200 PSI
Pressure Loss in PSI
GPM1"1 1/4"1 1/2"2"2 1/2"3"
50.2
100.8
151.50.5
202.60.90.5
305.71.91
40103.51.70.5
505.32.70.8
607.63.81.2
7010.15.11.6
806.62.1
908.32.6
10010.93.22.42.4
1204.62.52.5
1406.32.52.5
16082.92.9
20013.944
24066
2608.28.2
32010.710.7