Proportional pressure reducing cartridge inverse direct operated
Description
Direct operated proportional pressure reducing valve with inverse function in screw-in cartridge construction for cavity according to Wandfluh standard. The proportional pressure reducing valve controls the pressure in port A (1). With the solenoid deenergised, maximum working pressure is present. If the solenoid current increases, the pressure in port A drops (1). The valve operates practically independently of the pressure in port P (2). Pressure increase in port A (1) to above the adjusted value, e.g. through an active consumer, is avoided by discharging excess oil to the tank (3). For the control, Wandfluh proportional amplifiers are available (see register 1.13).
Application
These valves are used in hydraulic systems where the pressure has to be changed frequently. The electrical remote control in conjunction with process controls allows economical solutions with repeatable processes. For machining the cartridge cavity in steel and aluminum blocks, cavity tools are available (hire or purchase). Please refer to the data sheets in register 2.13.
Key facts
Proportional pressure reducing cartridge inverse
- direct operated
- Qmax = 6 l/min
- pmax = 210 bar (350 bar)
- pN red max = 40 bar
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