MECHANICAL DIRECTIONAL 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
DF-M3A MANUAL ROTARY SPOOL VALVE, 3 WAY 2 POSITION
HYDRAULIC SYMBOL
PERFORMANCE VALVE SPECIFICATIONS
DESCRIPTION
10 size, 7/8-14 thread, “Delta” series, 3 way 2 position, manual rotary spool valve.
OPERATION
The DF-M3A when rotated fully to the clockwise position, the cartridge directs ow from (3) to (2) or (2) to (3) and
blocks ow at (1). When rotated fully to the counterclockwise position, the cartridge directs ow from (1) to (3) or
(3) to (1) and blocks ow at (2). All ports are closed in transition.
FEATURES
• Hardened parts for long life.
• Industry common cavity.
Nominal Flow 12 GPM (45 LPM)
Rated Operating Pressure 3000 PSI (207 bar)
Typical Internal Leakage (150 SSU) 5 cu in/min (82 ml/min)
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 .49 lbs (.22 kg)
Operating Fluid Media General Purpose Hydraulic Fluid
Cartridge Torque Requirements 30 ft-lbs (40.6 Nm)
Cavity DELTA 3W
Cavity Form Tool (Finishing) 40500001
Seal Kit 21191210
Actual Test Data (Cartridge Only)
0
50
100
150
0 642 8 10 12
Pressure Drop (PSI)
0
5
10
0 5
Flow (GPM)
10 15 20 25 3530 40 45
Flow (LPM)
Pressure Drop (bar)
Port 1 to 3 Port 2 to 3
May be used as metering product. Valve has
approximately 3.5 turns adjustment from extreme
clockwise fully to counterclockwise positions. See
chart for pressure drop in both positions.
MECHANICAL DIRECTIONAL 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
Body Weight: .60 lbs (.27 kg)
DF-M3A – –
OPTIONS BODIES
Buna, Standard 00 Blank Without Body
Viton, Standard V0 N 1/4” NPTF Ports
Buna, Knob 0K S #6 SAE Ports
Viton, Knob VK
