Electric control of the direction of flow of the working medium in machines and equipment used in underground workings of mining facilities, in areas classified as explosion hazard zones.
Specification
Electrical control of actuating directional valves in hydraulic machines and equipment
Designed for use in potentially explosive atmospheres
Operating parameters
Mode of operation
Continuous operation
Operating conditions:
- Ambient temperature
0 – 65°C
- Relative air humidity
Up to 95% at 25°C
Hydraulic fluid
Oil-water emulsion, hydraulic oil, or other fluids with similar properties
- Nominal fluid viscosity
37 mm²/s
- Viscosity range
2.8 – 380 mm²/s
- Required filtration level
40 µm
- Nominal pressure
32 MPa
- Maximum pressure
35 MPa
- Maximum flow rate
Dependent on operating pressure, hydraulic medium, and permissible load on the actuating directional valves
- Optimal fluid operating temperature (in tank)
20 – 60°C
- Fluid temperature range
0 – 70°C
Supply Voltage
10.2 – 13.8 V DC from an intrinsically safe power supply with a maximum output current of 2 A