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SKD-98 Pump station for molding unit


Hydraulic station is used to support actuating hydraulic cylinders of the molding unit SKD-98, operated at the Serov Plant of Ferrous Alloys.


The hydraulic station is equipped with the conditioning circuit and additional filter of a drain line to guarantee high reliability of equipment, system requirements to working fluid contamination and temperature conditions
.


 The pumps can be turned on and off using the central control panel or directly from the electrical cabinet
. The modes of access to pumps control can be set at the control panel of the electric cabinet.


Electric solenoids of hydraulic control valves and relief valves of the hydraulic power unit are controlled at the central control panel using the set algorithms.

Specifications:

Description
Value
Nominal pressure, MPa
7
Nominal supply, l/min
220
Number of pumps
3
Pumps specifications:
I

Type

Pressure, MPa
-
nominal
-
max

Nominal supply, l/min
NSh250-3
 
 
16
21
 
220
II

Type

Pressure, MPa
-
nominal
-
max

Nominal supply, l/min
NSh250-3
 
 
16
21
 
220
III

Type

Pressure, MPa

Nominal supply, l/min
G11-24
 
2.5
 
73
Number of electric motors
3
I II

Type

Power, kW

Rev. per minute
AIR2256
 
37.0
 
1,000
III

Type

Power, kW

Rev. per minute
AIR2256
 
4.0 
1,000

Working fluid 

Mineral oil with kinematic viscosity 20…70 cSt