MECHANICAL FLOW CONTROLS
4484 Boeing Drive Rockford, IL 61109 • USA • Phone +1 (815) 397-6628 • Fax +1 (815) 397-2526
mail: delta@delta-power.com • www.delta-power.com
WARNING: the specications/application data shown in our catalogs and data sheets are intended only as a general guide for the product described (herein). Any specic application should not be undertaken
without independent study, evaluation, and testing for suitability.
W 51 / 12-2022
DE-FCF FIXED FLOW CONTROL VALVE, PRESSURE COMPENSATED
DESCRIPTION
10 size, 7/8-14 thread, “Delta” series, xed pressure compensated, ow control valve.
OPERATION
The DE-FCF maintains a constant ow rate out of (1) regardless of load pressure changes in the circuit downstream
of (1). The valve begins to respond to load changes when the ow through the valve creates a pressure differential
across the control orice, in excess of the spring load. Consult chart for regulation performance. Reverse ow (1)
to (2) returns through the control orice and is non-compensated.
FEATURES
• Hardened parts for long life.
• Industry common cavity.
0
2
4
6
8
0 500 1000 1500 2000 2500 3000
0
Flow (GPM)
5
10
15
20
Pressure Drop (PSI)
25
30
0 50 100 150 200
Pressure Drop
(bar)
Flow (LPM)
Port 2 to 1 Port 2 to 1
VALVE SPECIFICATIONS
Maximum Flow 8 GPM (30 LPM)
Rated Operating Pressure 3500 PSI (241 bar)
Viscosity Range 36 to 3000 SSU (3 to 647 cSt)
Filtration ISO 18/16/13
Media Operating Temp. Range -40° to 250°F (-40° to 120°C)
Weight .32 lbs (.15 kg)
Operating Fluid Media General Purpose Hydraulic Fluid
Cartridge Torque Requirements 30 ft-lbs (40.6 Nm)
Cavity DELTA 2W
Cavity Form Tool (Finishing) 40500000
Seal Kit 21191204
Actual Test Data (Cartridge Only)
PERFORMANCE
HYDRAULIC SYMBOL
Best stability version for high dierential
circuits.
1
2