YN35V00021F1 rotary brake proportional solenoid valve

Construction machinery electro-hydraulic proportional valve type and form electro-hydraulic proportional valve includes proportional flow valve, proportional pressure valve, proportional direction valve. The hydraulic operation characteristics of construction machinery are divided into two types of electro-hydraulic proportional valves in the form of structure: one is the spiral cartridge proportional valve and the other is the slide valve proportional valve. The screw cartridge type proportional valve is a threaded electromagnetic proportional cartridge component fixed on the oil circuit assembly block. The screw cartridge valve has the characteristics of flexible application, pipe saving and low cost, etc. It has been used in construction machinery in recent years
More and more widely used. Commonly used spiral cartridge type proportional valve has two, three, four and multi-pass forms, two-way proportional valve main proportional throttle valve, it often its components together to form a composite valve, the flow, pressure control; The three-way proportional valve is the main proportional pressure reducing valve, which is also the most used proportional valve in the mobile mechanical hydraulic system. It mainly operates the hydraulic multiway valve pilot oil circuit. The three-way proportional pressure reducing valve can replace the traditional manual pressure reducing pilot valve, which has more flexibility and higher control accuracy than the manual pilot valve. More manual proportional servo control can be made as shown in Figure 1
Different input signals, pressure reducing valves make the output piston have different pressure or flow rate to achieve proportional control of multi-way valve spool displacement. Four-way or multi-way screw cartridge proportional valves can be individually controlled for the working device.