characteristics. this paper

set for balance circuit consisting of pilot operated counter balance valve. Then. digital simulation in time and frequency domains valve control piston, descending) are parallel. respectively; in the pilot operated viscous valve, they are embedded for coefficients of spool, configuration. pilot pitching piston, typical p1·oducts are as type respectively; valve opening; leakage coefficient of pipes; spring rigidity; section area gradient of throttling spool; WA.s=qz forces acting spool and pilot,