REXROTH valves
$424.73
EW220RNZ5L When the REXROTH valve is energized, the electromagnetic force opens the pilot orifice, and the pressure in the upper chamber drops rapidly, creating a pressure differential around the closing element (lower at the top and higher at the bottom). The fluid pressure pushes the closing element upward, opening the valve. When de-energized, the spring force closes the pilot orifice, and the inlet pressure quickly creates a pressure differential around the closing element through the bypass orifice, creating a pressure differential around the closing element (lower at the bottom and higher at the top). The fluid pressure pushes the closing element downward, closing the valve.
Rexroth valves are fundamental automation components used to control fluids. They are actuators, not limited to hydraulic or pneumatic systems. They are used in industrial control systems to adjust the direction, flow rate, speed, and other parameters of the medium. Solenoid valves can be used with different circuits to achieve the desired control, ensuring both precision and flexibility. There are many types of solenoid valves, each playing a different role in the control system. Common types include check valves, safety valves, directional control valves, and speed control valves.
A solenoid valve contains a sealed chamber with through-holes at different locations. Each through-hole connects to a different oil pipe. Inside the chamber is a piston, flanked by two electromagnets. When the coil of one electromagnet is energized, the valve body is attracted to that side. By controlling the movement of the valve body, different drain holes are opened or closed. The inlet hole is always open, allowing hydraulic oil to enter different drain pipes. The oil pressure then pushes the piston in the cylinder, which in turn moves the piston rod, which in turn drives the mechanical device. This is how mechanical movement is controlled by controlling the on/off state of the electromagnet's current.
Rexroth Valve Working Principle:
The solenoid valve has a sealed chamber with through-holes at different positions, each connecting to a different oil pipe. Inside the chamber is a piston, flanked by two electromagnets. When the coil of one electromagnet is energized, the valve body is attracted to that side. Controlling the valve body's movement opens or closes different drain holes. The inlet hole is always open, allowing hydraulic oil to enter different drain pipes. The oil pressure then pushes the piston in the cylinder, which in turn moves the piston rod, which in turn drives the mechanical device. Thus, controlling the on/off state of the electromagnet's current controls the mechanical movement.
Rexroth Valve Selection Steps:
Select Solenoid Valve Series: Based on the required flow rate and drive type, select the solenoid valve series: 2-position 3-way or 2-position 5-way.
Select Function: Based on different control methods, select electric control, pneumatic control, manual or mechanical control, single control, double control, or 3-position.
Select Electrical Specifications: Select the operating current and voltage, and the wiring type (outgoing wire or terminal type). Selecting the piping diameter: Each solenoid valve has a corresponding piping diameter, and some may have more than one diameter size to choose from.
