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-FCH ADJUSTABLE FLOW CONTROL VALVE, SPOOL TYPE, FREE REVERSE FLOW
DESCRIPTION
10 size, 7/8-14 thread, “Delta” adjustable needle ow control valve with free reverse ow.
OPERATION
The DE-FCH increases its orice value from fully closed to fully open by turning screw counterclockwise. When
adjusted open the valves regulates ow (1) to (2). When fully closed the valve restricts ow from (1) to (2).
FEATURES
• Hardened parts for long life.
• Industry common cavity.
DEFCH00
0
100
200
300
400
0
500
5 10 15 20
Flow (GPM)
0
5
10
Pressure Drop (PSI)
15
20
25
30
0 25 50 75
Flow (LPM)
Pressure Drop (bar)
Port 1 to 2 (valve open FINE) Port 1 to 2 (valve open STANDARD)
0
100
200
300
0 5 10 15
Flow (GPM)
0
5
10
Pressure Drop (PSI)
15
20
0 5 10 15 20 25 30 35 40 5045 55
Pressure Drop (bar)
Flow ( LPM)
Port 2 to 1 (valve open) Port 2 to 1 (valve closed)
0
100
200
300
400
0
500
5 10 15 20
Flow (GPM)
0
5
10
Pressure Drop (PSI)
15
20
25
30
0 25 50 75
Flow (LPM)
Pressure Drop (bar)
Port 1 to 2 (valve open FINE) Port 1 to 2 (valve open STANDARD)
0
100
200
300
0 5 10 15
Flow (GPM)
0
5
10
Pressure Drop (PSI)
15
20
0 5 10 15 20 25 30 35 40 5045 55
Pressure Drop (bar)
Flow ( LPM)
Port 2 to 1 (valve open) Port 2 to 1 (valve closed)
HYDRAULIC SYMBOL
PERFORMANCE
VALVE SPECIFICATIONS
Nominal Flow 12 GPM (45 LPM)
Rated Operating Pressure 3500 PSI (241 bar)
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 21191200
Actual Test Data (Cartridge Only)
1
2
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
DIMENSIONS
ORDERING INFORMATION
DE-FCH – – –
OPTIONS BODIES
Buna Standard 00 Blank Without Body
Viton Standard V0 N 3/8” NPT Ports
Buna, Knob 0K S #8 SAE Ports
Viton, Knob VK
Buna, Screen A0
Viton, Screen W0
Buna, Screen, Knob AK ADJUSTMENTS
Viton, Screen, Knob WK FINE Fine Adjustment
STRD Standard Adjustment
Note: use screen only if ow
direction is from (1) to (2).
Body Weight: .47 lbs (.21 kg)
