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STV4 Three-Way unload Solenoid Valve
Description
■ Introduction
STV4 unload Solenoid valve is a two position three-way reversing valve is suitable for refrigeration, machinery, textiles chemicals and other industrial sectors, as the different media of liquids gases, etc. in the system is turned on, off or transfer Medium fow direction. It can be widely used for automatic control of cooling, pneumatic, hydraulic system can also be used for some protection circuit. The Solenoid valves used full-closed magnetic coil and DIN international standard electric plug so that The valve has excellent insulation, waterproof, moisture, shock and acid resistance.
■ Technical Parameters
● Ambient temperature: -20~+55°C
● Medium temperature: -25~+100°C
● Maximum working pressure 3.0MPa
● Test pressure: 3.5MPa
● Pass: 1.5
● Open valve pressure difference: minimum 0 Mpa
MaximumAC 2.1MPa
● Coil voltage: AC 24V 110V 220V 380V
DC 12V 24V
● Coil power: 16VA
● Coil insulation: F
● Connection: Threaded bell tube
● Applicable medium: Does not attack copper alloy fuids and gases and oils with a viscosity less than 2 degrees Enshi
■ Work
STV4 Solenoid valve is a direct-acting Solenoid valve, is combined by the body, full-closed magnetic coil, junction boxes,
sleeves group iron core group totally fve parts, When it is non-energized, the fow of the Pressure Medium is P1-P2.When the Solenoid valves is energized, the upward movement of the iron core in the electromagnetic force, the valve opens at the connection, so that the fow of the Pressure Medium is converted to P2-P0. then, when the electromagnetic coil is re-energized (non-energized state), the electromagnetic attraction disappears, due to at the end of the Medium Pressure P1 thrust and its own weight iron core, iron core downward movement, swlf-opening valve port closed lower \valve port, so that the flow of Pressure Medium to restore the original state, I. e.P1-P2.
