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Electric hydraulic valve , Iran
A hydraulic solenoid valve is an electromechanical directional control valve that manages hydraulic fluid flow. Its core consists of a metal body typically cast iron or steel, a spool a movable cylindrical component made of hardened alloy steel, and one or more solenoids coils. The spool is installed within the body with precise machining tolerances usually on the order of microns and is sealed without gaskets, necessitating excellent oil filtration to prevent wear.
Upon energization with a standard voltage e.g., 12VDC, 24VDC, 110VAC, or 220VAC, the solenoid generates a magnetic field. This field displaces the ferromagnetic core inside the solenoid, which directly or indirectly actuates the spool. The linear displacement of the spool opens or closes flow paths between the pressure port P, tank port T, and work ports A and B. In common designs, one or two springs on either side of the spool return it to the neutral position e.g., closed center when de-energized.You can order and buy Electric hydraulic valve from Iran by contacting us through whatsaap and email.
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Performance Specifications and Key Selection Parameters Hydraulic Solenoid Valve from iran
Correct selection of a hydraulic solenoid valve depends on precise quantitative parameters. The valves port size e.g., 1/4", 3/8", 1/2" must match the systems pump flow rate for instance, a 1/2" size is suitable for flows up to 150 liters per minute. Their maximum working pressure often reaches 350 bar or more, depending on the rating. The solenoid voltage and current type AC or DC must be compatible with the control system. The valves circuit configuration or operating mode e.g., 4/3, 4/2 and center type closed, open, tandem are determined by circuit requirements.
Response switching time is typically between tens and hundreds of milliseconds. Internal leakage in spool-type valves should be minimal under ideal conditions but increases with wear. An operating temperature range is defined for both the fluid and environment. For high-pressure or high-flow applications, pilot-operated designs are used, where the solenoid controls a small pilot valve that in turn directs pressure to move the main spool.
Manual hydraulic valve