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Prince RD-175-30 Flow Control Valve, Adjustable Pressure Relief, Cast Iron, 3000 psi, 0-30 gpm, 3/4" NPTF

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Specifications for this item
Number of Items
Pressure Flow Rate
30  Gallons per Minute
Color Name
Material Type
Cast Iron
Part Number
Brand Name
Prince Manufacturing
Size Name
Maximum Temperature
180  Degrees Fahrenheit
Maximum Pressure
3000  PSI
Style Name
System of Measurement

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Package Details

Shipping Weight: 7.6 pounds
Package Size: 7.6 x 4.7 x 3 inches

Product Description

The Prince valve models RD-100 is pressure compensated adjustable flow control valves. By rotating the handle, the flow out the “CF”, or controlled flow port, can be varied from approximately 0 to the maximum controlled flow shown in the chart below. Any remaining flow is bypassed to the “EF” or excess flow port. This flow can be used to power another circuit or can be returned to tank. Once the controlled flow is set it will remain nearly constant with variations in pressure on either the controlled or excess flow ports. Please note: If during operation the controlled flow port is blocked the valve will compensate in such a way as to shut off flow to the excess port. These valves can also be used as a restrictive flow control by plugging the excess flow port.

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