SOLENOID OPERATED 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 44 / 12-2022
DE-S2A PILOT OPERATED POPPET, 2 WAY NORMALLY CLOSED
DESCRIPTION
10 size, 7/8-14 thread, “Delta” series, solenoid operated, 2 way normally closed, pilot operated poppet valve with
reverse ow de-energized.
OPERATION
When de-energized the DE-S2A blocks ow from (1) to (2) and allows reverse ow from (2) to (1). When energized
the valve allows ow from (1) to (2) and restricts ow from (2) to (1).
OPERATION OF MANUAL OVERRIDE OPTION: to override, turn the manual override screw counterclockwise.
To release turn the manual override screw clockwise.
FEATURES
• Hardened parts for long life.
• Efcient wet-armature construction.
• Cartridges are voltage interchangeable.
• Manual override option.
• Industry common cavity.
• Unitized, molded coil design.
• Continuous duty rated solenoid.
• Optional coil voltages and terminations.
• Optional “I” Coil: Weatherproof, Thermal Shock, Immersion Safe.
Nominal Flow 15 GPM (57 LPM)
Rated Operating Pressure 3500 PSI (241 bar)
Typical Internal Leakage (150 SSU) 0-5 drops/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 .27 lbs (.12 kg)
Operating Fluid Media General Purpose Hydraulic Fluid
Cartridge Torque Requirements 30 ft-lbs (40.6 Nm)
Coil Nut Torque Requirements 4-6 ft-lbs (5.4-8.1 Nm)
Cavity DELTA 2W
Cavity Tools Kit
(form tool, reamer, tap) 40500000
Seal Kit 21191200
VALVE SPECIFICATIONS
Actual Test Data (Cartridge Only)
0
50
100
150
200
250
0 5 10 15 20
Flow (GPM)
0
5
10
15
0 25 50 75
Flow (LPM)
Port 1 to 2 (eng) Port 2 to 1 (de-eng)
Pressure Drop (PSI)
Pressure Drop (bar)
PERFORMANCE
HYDRAULIC SYMBOL
2
1