History of Solenoid Operated Directional Valve, Size 1/8
The solenoid operated directional valve in 1/8 size (DSG-01) was first named Design 10 and authorized as a complete engineering release in 1966. Until the release of Design 70 in 2004, its major specifications were updated over 38 years, as shown below. Now, the Design 70 is capable of handling five times the pressure and 16 times the flow rate of the original Design 10; however, the valve mass remains approximately 1.2 times.
Note that the former pressure unit, kgf/cm2, is used here for convenience. The conversion to the SI unit is as follows: 1 kgf/cm2 = 0.1 MPa
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