Directional control valve types pdf

Directional control valves all world machinery supply. The solenoid directional control valves of the rs type are used to control the motion of one or more consumers. The simplest directional control valve is the 2way valve. Characteristics and configurations of manual directional control valves used in hydraulic systems selecting the right valve for the job. Directional valves controlling the flow direction and thus the direction of movement or rotation of hydraulic actuators directional seat valves or spool valves, direct operated or pilot operated.

A guide to selecting a manual hydraulic directional. Detent in position 1, 2 and 3 marine version spring centered with straight through spool. Directional control valves perform only three functions. Wet type solenoid operated directional control valve ss series wiring system. Detent in position 1, 2, 3 and straight through spool. Directional control valves can be classified in a number of ways. Different types of control valves instrumentation tools. On the other hand, if the valve is handling cooling water to a reactor, the flow should be maximum in case of emergency. Even more basic than the discrete directionalcontrol valve is the binary valve. The flow from it is fed to a directional control valve of the rs type, which specifies which one of the.

As in digital electronics, binary valves operate either on or off. Usually one 43 directional control valve is used in the system, by which the necessary direction of the motion is determined. These directional valves consist of a housing 1, control spool 2, control mechanism 3, and return spring 4. Whereas discrete valves generally use a spool to achieve two, three, or more positions, discrete valves use a plunger, poppet, or ball that seals against a seat. Directional valves type kv with direct mechanical operation by means of a lever control the direction of the hydraulic fluid medium flow.