Hydraulic unit model У27.70.800.2
Purpose
Hydraulic unit model У27.70.800.2 (U27.70.800.2) is designed for drive of the working parts of the hydraulic presses.
Climatic category of the hydraulic unit is NF. Category of placement is 4.2 in accordance with GOST 15150-69.
The hydraulic unit operates on pure mineral oil with kinematic viscosity of 20-35 mm2 / s at oil temperature of +15 ... +50оС and ambient temperature of +1 ... +45оС.
The cleanliness class of the working fluid is not lower than 12 according to GOST 17216-71. The nominal fineness of filtration is 25 μm.
Recommended brands of oils: ИГП-30, ИГП-38, ТУ.3.810.1413-78, ВНИИ НП-403 GOST 16728-78, industrial И-20А - И-40А GOST 20799-88.
Technical parameters
| Parameter name | Parameter data | |||
| Nominal pressure, MPa | ||||
| axial piston pump | 25 | |||
| control lines | 2 | |||
| Pressure setting of safety valves, MPa | ||||
| КП1 | 25±0,2 | |||
| КП2 | 2±0,1 | |||
| КП3 | 15±0,2 | |||
| КП4 | 28±0,2 | |||
| КП6 | 32±0,2 | |||
| Flow volume, l / min | ||||
| axial piston pump |
45-227 | |||
| vane pump flow 1 | 53 | |||
| flow 2 | 9 | |||
| Control | electrohydraulic | |||
| Dimensions of hydraulic unit, mm: | ||||
| length | 1535 | |||
| width | 1300 | |||
| height | 1555 | |||
| Tank nominal capacity, l | 800 | |||