The Prince valve models RD-1900 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.
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. The Prince valve models RDRS-1900 have a built in adjustable pressure relief.For these models the excess flow port must be connected to tank. Pressure Compensated Adjustable Flow Control Valve. Handle hard ware kit Prince part # 660301002. Seal Kit Prince part # 660501001. For use with what product? A mineral based oil with additives to resist corrosion, oxidation, and foaming is recommended. The item "Prince Pressure Compensated Adjustable Flow Control Hydraulic Valve RD-1950-8" is in sale since Tuesday, July 5, 2011. This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Valves & Manifolds\Other Valves & Manifolds". The seller is "hydraulicwarehouse_4" and is located in Plymouth, Michigan.
This item can be shipped worldwide.