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
TT-S2D PILOT OPERATED POPPET, 2 WAY NORMALLY OPEN
DESCRIPTION
12 size, 1 1/16-12 thread, “TWELVE” series, solenoid operated, 2 way normally open, pilot operated poppet valve
with free reverse ow energized and de-energized.
OPERATION
When de-energized the TT-S2D allows ow to pass from (1) to (2) and (2) to (1). When energized the valve blocks
ow from (1) to (2) but allows free reverse ow from (2) to (1).
OPERATION OF MANUAL OVERRIDE OPTION: to override, turn the manual override screw clockwise.
To release turn the manual override screw counterclockwise.
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 30 GPM (114 LPM)
Rated Operating Pressure 3000 PSI (207 bar)
Typical Internal Leakage (150 SSU) 0-10 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 .51 lbs (.23 kg)
Operating Fluid Media General Purpose Hydraulic Fluid
Cartridge Torque Requirements 70 ft-lbs (94.9 Nm)
Coil Nut Torque Requirements 4-6 ft-lbs (4.5-8.1 Nm)
Cavity TWELVE 2W
Cavity Tools Kit
(form tool, reamer, tap) 40500032
Seal Kit 21191300
Actual Test Data (Cartridge Only)
VALVE SPECIFICATIONS
0
50
100
150
200
250
0 10 20 30 40
0
5
10
15
Pressure Drop (PSI)
0 5025 75 100 125 150
Flow (LPM)
Pressure Drop (bar)
Flow (GPM)
Port 1 to 2 (de-eng) Port 2 to 1 (eng)Port 2 to 1 (de-eng)
PERFORMANCE
HYDRAULIC SYMBOL
2
1