Solenoid Operated Directional Valves - G03

Solenoid Operated Directional Valves - WH G03

  1. High pressure, large volume, low noise. Smooth switch over movement.
  2. Duo orifice designed, low resistance, high efficiency.
  3. Water & dust proof electric solenoid, high safety designed.
  4. ISO standard measurements, high interchangeability, easy to install.
  5. 100% inspected, high & stable quality.

None: ISO Type, N: Din Type, Coil Voltage, Spool Types, Nominal Dia, G03:3/8

Maximum operating preesure 315 kgf / cm2
Rated flow capacity 100 LPM
Maximum tank line back preesure 100 kgf / cm2
Maximum fequencies of operation 240 C.P.M. (AC, DC)
Filteratiion recommended 25 Micron or less
Hydraulic fluids Mineral oil, recommendation temperature 0 ~ 55° C
Max. temperature range -25 ~ 90 °C
Viscosity 10 ~ 400 cSt
Electric
Source
Coil Type Voltage (V) Current & Power at Rated Voltage Weight(kg)
Source
Rated
HZ Range In-Rush
Current(A)
Holding
Current(A)
Wattage
(W)
A.C. A 110 AC 100V 50 90 - 110 1.6 0.46  

Single solenold : 3.3Kg

Double solenold : 3.9Kg

AC 110V 60 99 - 121 1.5 0.39  
A 220 AC 220V 50 180 - 220 0.8 0.23  
AC 220V 60 198 - 242 0.75 0.19  
A 240 AC 220V 50 198 - 242 0.67 0.19  
AC 240V 60 216 - 264 0.59 0.13  
D.C. D 12 DC 12V 10.8 - 13.2 2.2 2.2 26

Single solenold : 3.9Kg
Double solenold : 5.2Kg

D 24 DC 24V 21.6 - 26.4 1.1 1.1
  1. Solenoid can be used within -10% to +10% of the rated voltage of the coil.
  2. Withstand voltage 1500 v/sec.
  3. Insulation resistance over 100 M
  • M6x35L 4 pieces mounting bolt kits, tightening torque 120 ~ 150 kgf / cm2

WH4*-G03-AC 110N / 220N / 240N - Cable connection, Cable Applicable: Outside Dia: 0.394, Conductor Area: Not Exceeding 0.048in2, Three position of cable connection are available by loosening

WH4*-G03-DC 12N / 24N - Cable connection, Cable Applicable: Outside Dia: 0.394, Conductor Area: Not Exceeding 0.048in2, Three position of cable connection are available by loosening

WH4*-G03-AC 110 / 220 / 240 - 4-7 Dia Thru, 11 C'bore, Double Solenoid Modes Only, Manual Actuator 6 Dia.

WH4*-G03-DC 12 / 24 - 4-7 Dia Thru, 11 C'bore, Double Solenoid Modes Only, Manual Actuator 6 Dia.

Unit: mm
Spring Centeered 3 Positions - WH43-G02 (G03)
Spool Type - 2 Positions
Test System
IG pump: IGH-5F-64, 64c.c./rev
Motor : 50Hpx4p,60hz
Inverter: 100Hp
Flow meter: 200L/Min
Pressure sensor: 0-350 kgf/cm²
Relief valve: 0~350kg /cm²
Hydraulic oil: 35 cSt.
Test Circuit
WH-G02
WH-G03
Contrast Chart Between Factors and Visccosities
Viscosity CST 15 20 30 40 50 60 70 80 90 100
SSU 77 98 141 186 232 278 324 371 471 464
Factor(G) 0.81 0.87 0.96 1.03 1.09 1.14 1.19 1.23 1.27 1.30

The pressure drop(△p) can be obtained from the formula
△P=△p(G/0.85) for other specific gravity(G).