Servovalves

Description

We produce hydraulic valves modeling range (row) discharge, including proportional hydraulic servovalves with required consumption, pressure, operating speed and reliability parameters. Valves, produced by ChelTec, substitute analogous imported devices. Technical data: Denomination *1 SK *0.3.*4.*9.2 *2 SK 6.3.*4.*2.2 *5 SK 6.3.*4.*2.2 SK construction: One-stage Way of control: jet pipe control from electromechanical transducer Ports diameter A/B/T/R, mm *2/*2/*3.5/*2 8 4/4/6.5/6.5 Inlet pressure, MPa: maximum *1 rated *6 Outlet [output] pressure, MPa: maximum 3 rated 1 Rated consumption “to consumer” at servovalve pressure fall rsk=7 MPa, l/min *6 6 6 Supply consumption at rated pressure fall at the input and output, l/min *5 *0 *0 Hysteresis effect in pressure isn’t more than, % 5 Zero shift isn’t more than, % 3 Frequency, corresponding to phase shift *5 Operating fluid Mineral basis oil Operating fluid temperature, degree centigrade ***0 Operating fluid viscosity at t=*0 degree centigrade, sSt ****0 Operating fluid contamination class according to all-Union State Standard *********1 recommended *2 *0 *2 permissible *3 *2 *3 Rated current control range, mA ±*5 Two tandem winding resistance, Om **0±*0 Assembly position Any Weight, kg 4 2, 6 4