HYDRAULIC VALVE Russian patent published in 1995 - IPC

FIELD: valving. SUBSTANCE: hydraulic valve has a bushing with supplying and discharging ports. A cut-off member provided with the supplying throttle opening is received in the bushing. The member is pressed to the seat. The bushing is coupled with the housing through a spring ring. An auxiliary cut-off member is positioned in the housing provided with axial throttle member. The housing is detachable and consists of seat and plug of the auxiliary member connected with a thread. The seat and plug form a groove for the spring ring. The seat is provided with a filtering unit from the side of the throttle member. EFFECT: improved design. 1 dwg