
SOLENOID OPERATED DIRECTIONAL CONTROLS
Page ST32
W 3/2023
Via Malavolti, 36 - 41122 Modena - ITALY - Phone +39 (059) 254895 - Fax +39 (059) 253512 - info@tecnord.com - www.tecnord.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.
HE-S2B PILOT OPERATED POPPET, 2 WAY NORMALLY CLOSED
DESCRIPTION
“High Pressure”10 size, 7/8-14 thread, “Delta” series, solenoid operated, 2 way normally closed, pilot
operated poppet valve with reverse ow energized and de-energized.
OPERATION
When de-energized the HE-S2B acts as a check valve, allowing ow to pass from (2) to (1), while blocking
ow from (1) to (2). When energized the valve opens allowing ow to pass from (1) to (2).
FEATURES
• Hardened parts for long life.
• Efcient 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.
Nominal Flow 15 GPM (57 LPM)
Rated Operating Pressure 4000 PSI (276 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 .39 lbs (.17 kg)
Operating Fluid Media General Purpose Hydraulic Fluid
Cartridge Torque Requirements 50 ft-lbs (67.8 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
300
5 10 15 20
0
Flow (GPM)
5
10
15
20
Pressure Drop (PSI)
0 25 50 75
Flow (LPM)
Pressure Drop (bar)
Port 1 to 2 (eng) Port 2 to 1 (eng) Port 2 to 1 (de-eng)
PERFORMANCE
HYDRAULIC SYMBOL
Uses “L” Coil.
2
1