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
PB-S2A PILOT OPERATED POPPET, 2 WAY NORMALLY CLOSED
DESCRIPTION
8 size, 3/4-16 thread, “Power” series, solenoid operated, 2 way normally closed, pilot operated poppet valve with
reverse ow de-energized.
OPERATION
When de-energized the PB-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, pull knob out. On the detented version, after
pulling knob out twist 180 degrees and release. The valve will remain in that position.
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 8 GPM (30 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 .20 lbs (.09 kg)
Operating Fluid Media General Purpose Hydraulic Fluid
Cartridge Torque Requirements 25 ft-lbs (34 Nm)
Coil Nut Torque Requirements 4-6 ft-lbs (5.4-8.1 Nm)
Cavity POWER 2W
Cavity Tools Kit
(form tool, reamer, tap) 40500005
Seal Kit 21191100
Actual Test Data (Cartridge Only)
VALVE SPECIFICATIONS
0
50
100
150
200
250
0 2 4 6 8 10
Flow (GPM)
0
5
10
15
0 10 20 30
Flow (LPM)
Pressure Drop (bar)
Port 1 to 2 (eng) Port 2 to 1 (de-eng)
Pressure Drop (PSI)
PERFORMANCE
HYDRAULIC SYMBOL
2
1