SPECIAL APPLICATION VALVES
Delta Power Company
4484 Boeing Drive - Rockford, IL 61109
WARNING: The specifications/application data shown in our catalogs and data sheets are intended only as a general guide for the product described
(herein). Any specific application should not be undertaken without independent study, evaluation, and testing for suitability.
Phone: (815) 397-6628 Fax: (815) 397-2526 E-mail: delta@delta-power.com
QF-S3D Direct Acting Spool, 3 Way 2 Position
DESCRIPTION
10 size, 7/8-14 thread, “Delta” series, solenoid operated, 3 way 2 position, spool valve.
OPERATION
When de-energized the QF-S3D allows flow between (1) and (3) and blocks flow at port (2). When
energized the valve allows flow between (2) and (3) and blocks flow at port (1).
FEATURES
• Hardened parts for long life.
• Efficient wet-armature construction.
• Cartridges are voltage interchangeable.
• Industry common cavity.
• Unitized, molded coil design.
• Continuous duty rated solenoid.
• Optional coil voltages and terminations.
• Optional “I” Coil: Weatherproof, Thermal Shock, Immersion Safe.
HYDRAULIC SYMBOL
PERFORMANCE
VALVE SPECIFICATIONS
Nominal Flow 6 GPM (23 LPM)
Rated Operating Pressure 1000 PSI (69 bar)
Typical Internal Leakage
(150 SSU)
3 cu in/min (49 ml/min)
Viscosity Range 36 to 3000 SSU (3 to 647 cSt)
Filtration ISO 18/16/13
Media Operating
Temperature Range
-35° to 200° F (-37.2° to 93.3° C)
Weight .30 lbs (.13 kg)
Operating Fluid Media General Purpose Hydraulic Fluid
Cartridge Torque
Requirements
30 ft-lbs (40 Nm)
Coil Nut Torque
Requirements
4-6 ft-lbs (5.4-8.1Nm)
Cavity DELTA 3W
Cavity Form Tool (Finishing) 40500001
Seal Kit 21191210
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