3100 is a normally open master valve ideal for dirty and recycled water applications.
![](https://bigirrigation.com/wp-content/uploads/2024/06/Superior-2000075-Brass-075-Adaptor.webp)
![](https://bigirrigation.com/wp-content/uploads/2024/06/Superior-3200-Nomorally-Closed-Master-Valve.webp)
Superior 1″ 3100 Normally Open Brass Master Valve (3100100)
$209.00
In Stock
– 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
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