Pressure Reducing Valves

The valve maintains a preset downstream pressure, regardless of upstream pressure or flow rate fluctuation. The main valve is controlled by a 3-way pilot, allowing full opening when the pressure drops below a downstream pressure set-point.

Ensure Downstream Pressure

The main valve is controlled by a 3-way pilot, allowing full opening when the pressure drops below a downstream pressure set-point.

Suited for Maximal Flow and Allowed Headloss

Accurate, stable control from no-flow to full-flow.
Exceptionally low head losses at high flows.
High resistance to corrosive water and other acid media (including 3-way pilot).
Simple to install – manufactured with threaded or socket (slip) connections.
Simple and reliable design – diaphragm is the only moving component. Shaft, seals or bearings are not located within the water’s passage way.

Design Considerations

The valve should be suited for the maximal flow and allowed headloss.
Large pressure differentials may cause cavitation damage. Consult with Netafim if such conditions are expected.

Quick Sizing

Valve size same a line size or one size smaller.
Maximum flow speed for continuous operation of 18 ft/sec.

Specifications

Hydraulic valve with direct sealing flexible diaphragm.
Inline maintenance.
Stem, shaft or guide bearing are not located within the water passage.
Activated by the line pressure or by an external hydraulic or pneumatic
pressure.
Operated by a pressure reducing pilot valve to achieve constant outlet
pressure, regardless of upstream pressure or flow variations.
Valve and the controls are Netafim Series 61PRXPLS (X is used to signify size of valve – 3″, 4″, 6″, etc.)

Downloads

Product Sheet

M044-Nylon-and-PVC-Valves (PDF)

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