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Flow Control Valves
FR50-28 — Flow Regulator, Pressure Compensated, High Pressure
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A screw-in, cartridge-style, adjustable, pressure-compensated, restrictive-type, hydraulic flow
regulating valve for operation up to 345 bar (5000 psi).
The FR50-28 maintains a constant flow rate out of port 2 regardless of load pressure changes in the
circuit downstream of 2, or upstream of 1.
The 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 2 to 1 bypasses the control orifice.
Hardened parts for long life.
Quiet, modulated response.
Operating Pressure: 345 bar (5000 psi)
Flow Rating: 0.8 lpm (0.2 gpm) minimum, 34 lpm (9.0 gpm) maximum
Flow Maintenance: ±10% through full pressure range
Internal Leakage: Port 1 to 2: 35 ml/minute (2.5 cu. in./minute) at 345 bar (5000 psi)
Temperature: -40° to 100°C (-40° to 212°F) with Buna seals;
-26° to 204°C (-15° to 400°F) with Fluorocarbon seals;
-54° to 107°C (-65°F to 225°F) with Polyurethane seals
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_2w
Cavity Tool: CT10-2xx; See page 8.600.1
Seal Kit: SK10-2x-M; See page 8.650.1
Cartridge: Weight: 0.14 kg.
(0.31 lbs.); Steel with hardened work surfaces. Zinc-plated exposed surfaces; Buna N O-rings and polyester elastomer back-ups standard.
Standard Ported Body: Weight:
0.16 kg. (0.35 lbs.); Anodized high-
strength 6061 T6 aluminum alloy,
rated to 207 bar (3000 psi); Ductile
iron bodies available; dimensions
may differ. See page 8.010.1_2w.
|Selection guide - similar valves.
||PDF file of this page.||STP file for FR50-28||Request a quote.|