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Control Valves

1000 Series Pressure Sustaining and Relief Valves


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Control Valves

1000 Series Pressure Sustaining and Relief Valves

1000 Series Pressure Sustaining and Relief Valves
Features

Pressure sustaining valves are often used to protect system pipes, for example downstream of pumps to control the system flow rate, and on a tee off the mainline to act as a relief valve.

They are also frequently installed downstream of filter stations to provide adequate backflush pressure. In this application, they are often operated with a solenoid to form a pressure-sustaining-normally-open (PSNO) valve.

The Nelson pressure control pilot is famous for precision accuracy and responsiveness.

  • Accurate 3-way control pilot reduces filtration requirements
  • Adjustment ranges: 5-60 psi / 10-120 psi
  • Can be combined with other functions, including solenoid on/off, pressure sustaining, and rate-of-flow.


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Please read our Warranty information.

Sprinkler performance data have been obtained under ideal test conditions and may be adversely affected by wind, poor hydraulic entrance conditions, or other factors. Published radius and diameter of throw performance are at nozzle pressure when tested at 1,250 feet above sea level. Your results may differ from the test data results obtained by Nelson Irrigation Corporation and Nelson Irrigation Corporation makes no representation regarding droplet conditions, uniformity, application rate, or fitness for a particular purpose.