FR50-28 Regulator, Pressure-Compensated, (FR50-28)
A screw-in, cartridge-style, adjustable, pressure-compensated, restrictive-type hydraulic flow regulating valve.
Product Operation
The FR50-28 maintains a constant flow rate out of ➁ regardless of load pressure changes in the circuit downstream of ➁ or upstream of ➀The regulated flow increases from closed to fully open with counter-clockwise rotation
of the adjustment screw. The valve will maintain the set flow regardless of pressure
variations on the regulated or inlet port. Reverse flow from ➁ to ➀ bypasses the control orifice.
Product Features
• Hardened parts for long life.
• Quiet, modulated response.
• Cost-effective cavity.
Product Ratings
Operating Pressure: 345 bar (5000 psi)
Flow Rating: 0.8–34 lpm (0.2–9.0 gpm)
Flow Maintenance: ±10% through full pressure range
Internal Leakage ➀ to ➁
: 35 ml/minute (2.5 cu. in./minute) at 345 bar (5000 psi)
Temperature: -40 to 120°C
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC10-2; See page 9.110.1
Cavity Tool: CT10-2XX; See page 8.600.1
Seal Kit: SK10-2X-M; See page 8.650.1
HYDRAFORCE.com®1226.5/730.3/834.1/937.9/1022.7/611.4/315.1/418.9/57.6/23.8/1245TURNSFLOW lpm/gpm13FLOW vs. TURNS 35 bar/500 psi Inlet Pressure32 cSt/150 sus oil at 40nCRegulated Flow vs. Pressure Drop 32 cSt/150 sus oil at 40nC691000PRESSURE DROP bar/psi207300027640003455000138200026.5/730.3/834.1/937.9/1022.7/611.4/315.1/418.9/57.6/23.8/1FLOW lpm/gpmPressure Drop vs. Reverse Flowfrom to ~32 cSt/150 sus oil at 40nC27.6/40020.7/30013.8/2006.9/100PRESSURE bar/psi7.62.0FLOW lpm/gpm30.38.022.76.015.14.0CLOSEDOPENHALFOPEN
