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Ningbo Zhenhai Finotek Machinery Co.,Ltd is one of the leading China hydraulic solenoid valve manufacturers and suppliers in China,Website:http://www.finotekpower.com, welcome to buy or wholesale customized bulk hydraulic solenoid valve from our factory.Hydraulic solenoid valve is used for industrial equipment, which conforms to the National fluid power association in short name of NFPA D03, D05 series of standard valve mounting pattern, matching to standard NFPA D03, D05 valve subplate or manifold mounting. The hydraulic solenoid valve is also called 4WE, 4way 3 position valve and commonly used to extend or retract hydraulic cylinders with double action, or used for controlling the rotation of hydraulic motor.?The spool of hydraulic solenoid valve is spring centered which will remain in its original position to all ports in blocked position while the valve spool switched pushing by electrical solenoid to one of two positions in order to achieve the action of extend or extract the hydraulic cylinder, the valve spool returns to its central position as soon as the power is off.Finotek hydraulic solenoid valve is quick response to the single from solenoids and reliable while switching the spool under hydraulic pressure, especially with quiet noise under operation. By using the high quality raw materials, our hydraulic solenoid valve is longer service life than other brands and all of the spool is interchangeable.?Specifications of hydraulic solenoid valve:Power: By hydraulic oil?Brand: Finotek or OEM Max. Operation Pressure(T): ?21MpaMax. Operating Pressure(P,A,B): ?31.5MpaMax. Flow Rate: 60L/min.Media Temperature: -30 to +80(°C)for NBR O-ringsAvailable Voltage: C:12V,24V ; AC:110V,220VVoltage Tolerance: +10% to -15%Switching Frequency: DC:15000Times/h; AC:7200Times/hOil Medium: Mineral oil as per DIN51 524, VDMA 24 568 or rapeseed oil, Viscosity 10 – 400 CSTRecommended Medium Filtration: ISO 4406 Standard, cleanliness class:20/18/15