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GDR double high pressure series high (low) pressure thin oil station
1. Conditions of use
This product is suitable for various industries with thin oil circulation lubrication systems equipped with large-scale equipment such as mills, rotary kiln and double-slide dynamic hydrostatic bearings. Its working medium viscosity grade is N22 ~ N460 (equivalent to ISO VG22 ~ 460). Lubricating oil; if the oil quantity of the low-pressure pump is divided into two oil supply pipelines, a set of double high-pressure high (low) pressure thin oil stations can be used instead of two ordinary high (low) pressure thin oil stations [such as GXYZ type A series high (Lower of the thinner oil stations).
According to the working principle of dynamic and static pressure lubrication, a high-pressure system is used during startup, low speed and shutdown, and a low-pressure system is used during normal operation to ensure that large machinery can obtain reliable lubrication at various speeds to extend the life of the host.
The pressure of the two high-pressure output pipes of the thin oil station are 31.5 MPa, the flow is 2.5 L / min, the pressure of the low-pressure part is 0.4 MPa, and the low-pressure flow is 16 to 100 L / min. The thin oil station has filtering, cooling, and heating. Device and interlock, alarm, self-control and other functions.
The performance parameters and dimensions of the product should meet the requirements in the table and figure; this device is composed of a gas station, an instrument panel and an electrical control cabinet (which can be controlled by PLC).
Second, the model marking method
Working principle and structural characteristics
The main feature of the dual high pressure high (low) pressure thin oil station is that a set of thin oil stations has two high pressure output pipelines, which can meet the needs of two high pressure lubrication points. Others are the same as ordinary high (low) pressure thin oil stations.
Each high-pressure output pipeline has a pressure gauge and a pressure controller in order to control the pressure of each high-pressure pipeline and observe the working conditions.
The components of this product are also the same as ordinary high (low) pressure thin oil stations; there is only one more high pressure oil pump, and the suction ports of the two high pressure oil pumps are connected to the oil supply ports of the low pressure pumps. When both high pressure pumps are started, It is necessary to suck 5L / min of lubricating oil from the low-pressure oil supply port. For the low-pressure pump flow, the low-pressure oil supply pressure may be reduced when the high-pressure pump is started. For the system where the lubricating oil is supplied to the same bearing, The total amount of lubricating oil in the bearing has not decreased, and it will not affect the lubrication of the bearing. However, when the high-pressure pump is started, the reduction of the low-pressure pressure may cause the temporary low-pressure pump to start temporarily. When using the backup mode where the two low-pressure pumps switch to each other, it may not be possible to make the lubrication system work normally when the standby pump flow still does not meet the requirements after the working pump is stopped; therefore, this situation should be paid attention to when selecting a low-flow low-pressure pump.
Technical performance of GDR double high pressure series high (low) pressure thin oil station
parameter
model

GDK-B2.5 / 16

GDK-B2.5 / 25
GDK-B2.5 / 140
GDK-B2.5 / 63
GDK-B2.5 / 80
GDK-B2.5 / 100
low
Press
system
All
Pump device model
LBZ-16
LBZ-25
LBZ-40
LBZ-63
LBZ-100
LBZ-125
Flow L / min

16

25
40
63
80
100
Supply pressure MPa
≤0.4
Supply temperature ℃
40 3
electric motor
model
Y90S-4, V1
Y100L1-4, V1
Y112M-4, V1
Power KW
1.1
2.2
4
Speed r / min
1450
1440
1440
Fuel tank volume m3
1.1
1.5
2.2
High voltage system
Pump device model
2.5MCY14-1B (two units)
Flow L / min
2.5X2
Supply pressure MPa
31.5
electric motor
model
Y112M-6 B35 (two units)
Power Kw
2.2
Speed r / min
940
Filtration accuracy m2
0.08 ~ 0.12
Filtration area m2
0.13
0.19
0.4
Cooling area m2
3 5 7
Cooling water consumption
1
1.5
3.6
5.7
9
11.25
Electric heating power Kw
3 x 4
3 x 4
6 x 4
Overall dimensions mm
2000x1240x1360
2100x1280x1385
2150x1440x1750
Remark
All filter switching pressure difference is 0.15MPa
4. Dimensions
model
DN1
DN2
DN3
DN4
L
L1
L2
L3
L4
L5
L6
L7
GDR-B2.5 / 16
8
25
50
50
1600
2000
925
250
35
100
150
215
GDR-B2.5 / 25
8
25
50
50
1600
2000
825
250
35
100
150
215
GDR-B2.5 / 40
10
32
65
32
1600
2100
982
300
35
120
180
250
GDR-B2.5 / 63
10
32
65
32
1600
2100
982
300
35
120
180
250
GDR-B2.5 / 80
10
40
80
32
1700
2150
1282
305
40
150
200
405
GDR-B2.5 / 100
10
40
80
320
1700
2150
12820
305
40
150
200
405
model
B
B1
B2
B3
H
H1
H2
H3
H4
H5
H6
H7
H8
GDR-B2.5 / 16
1100
1240
300
140
700
1360
1285
1200
120
350
115
80
590
GDR-B2.5 / 25
1100
1240
300
140
700
1360
1285
1200
120
350
115
80
590
GDR-B2.5 / 40
1200
1280
248
450
850
1385
1300
1225
180
360
150
110
710
GDR-B2.5 / 63
1400
1440
190
500
1050
1750
1640
1480
200
400
160
140
875
GDR-B2.5 / 80
1400
1440
190
500
1050
1750
1640
1480
200
400
160
140
875
GDR-B2.5 / 100
1400
1440
190
500
1050
1750
1640
1480
200
400
160
140
875
Five, system (principle) diagram
Dashboard
Serial number
Sign text
Serial number
Sign text
1
Export oil temperature
13
High differential pressure
2
Fuel tank oil temperature
14
High host oil temperature
3
1 # low pressure pump work
15
Low pressure pump start
4
2 # low pressure pump work
16
Low pressure pump stopped
5
1 # high pressure pump work
17
High-pressure pump start
6
1 # high pressure pump work
18
High-pressure pump stopped
7
Heater working
19
Heater start and stop
8
Host running
20
Eliminate the alarm
9
Low pressure
twenty one
1 # main * separate * 2 # main low pressure pump
10
High pressure and low pressure
twenty two
1 # main * separate * 2 # main high pressure pump
11
High oil level
twenty three
Central control / next to the machine
12
Low oil level
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Address: Chengdong Industrial Park, Qidong City Phone: 0513-83660308, 83905568 Fax: 0513-83660318 Email: djrh888@163.com