MCV116 Series Operated Flow Control Valves
The MCV116 Pressure Control Pilot (PCP) Valve is an inexpensive control valve for use in electrohydraulic systems which control machines used in construction, farming, material handling, marine, mining and industrial applications. The device is designed to control pilot-operated flow control valves (proportional main spool valves in the 5-50 gpm range), pilotoperated variable displacement pumps and motors and any other device which is pilot differential pressure actuated. The PCP is a torque-motor actuated, double-nozzle flapper valve that produces a differential output pressure proportional to the applied electrical input signal. It is a single-stage, standalone, closed loop pressure control valve which uses internal hydraulic pressure reactions to achieve its closed loop control characteristics.
Defined at -90℃ phase lag using a sine wave equal to ±30% input amplitude of the test current loaded into a 34.5 bar differential pressure transducer (load capacitance 0.000143 cubic centimeters/bar) and 8 cubic centimeters of oil on each side between the valve and the transducer. Response bandwidth will decrease with increasing flow demanded by the driven load. See Frequency Response.
Defined as the difference of the differential output pressure obtained over the test current high and low end divided by the larger number, expressed as a percentage.
Rated at saturation current.
Defined by measuring the deviation of the center of a test hysteresis loop from the best straight line between the positive and negative extremes of the test current range, expressed as a percentage of the range.
Defined as the input signal to produce a detectable pressure change.
Defined at 0.01 Hz cycled through the test current range.
Defined as the output offset at the center of the hysteresis loop at zero input current.
Defined across a 6.9 bar (100 psi) load pressure drop at saturation current. See Load Pressure Droop Slope.
Defined at 17.23 bar (250 psi) supply and 50 mA input. See Load Pressure Droop Slope.
Defined as a percentage of supply pressure change when supply pressure is varied from 10.3 bar to 34.5 bar.
Defined as the maximum temperature null shift per 55.6℃ (100℃F) from -29℃ to 121℃ (-20℃ to 250℃F).
Defined as the magnetic saturation of the torque motor. SCALE FACTOR See Scale Factor in the table MCV116 Specifications.
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