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GXYZ type A series high (low) pressure thin oil station
1. Conditions of use

This product is suitable for thin oil circulating lubrication systems with large equipment such as mills, rolling mills, and motors equipped with dynamic and static pressure bearings. Its working medium is various industrial lubricants of N22 ~ N320 (equivalent to ISO VG22 ~ VG320).
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 high pressure part of the thin oil station is 31.5 MPa, the flow rate is 2.5 L / min, and the pressure of the low pressure part is 0.4 MPa; the flow rate is 16 to 125 L / min. The thin oil station has filtering, cooling, heating and other devices and interlocking, alarm, Automatic control and other functions.
The performance parameters and dimensions of the product should meet the requirements in the table and figure; the device is composed of a gas station, an instrument panel, and an electric control cabinet (which can be controlled by PLC).

Second, the model marking method
If A series is used, the high-pressure flow is 2.5L / min; the high-pressure is 31.5MPa, and the low-pressure fuel supply pressure is 0.4MPa; while the low-pressure fuel supply is 40L / min at the high (low) pressure thin oil station, which is controlled by PLC. It is marked as follows: GXYZ-A2.5 / 40.P
Structural features
This product is mainly composed of a fuel tank (with a magnetic mesh filter inside), a low-pressure oil pump device, a high-pressure oil pump device, a double-cylinder mesh filter, a manual high-pressure oil pump, a cooler, a pipe, a valve, an instrument panel, and an electric control cabinet. .
Before the host starts, start the low-pressure pump. When the low-pressure oil supply pressure is normal, start the high-pressure oil pump with the suction port connected to the low-pressure pipeline. The high-pressure oil is sent to the hydrostatic bearing through the high-pressure check valve. When starting, the host can start, run at low speed or stop; after the host rotates normally, you can stop the high-pressure pump (except for low-speed operation), but the low-pressure oil pump must supply oil normally; after the low-pressure oil pump sucks oil from the fuel tank through the check valve, double barrel The mesh filter and cooler also go to the static pressure bearing to maintain the normal oil supply of the host; if the host is to be stopped, the high-pressure pump and low-pressure pump are to be regularly supplied with oil by the time relay to control the intermittent supply of oil to the lubrication point .
The specific values of high and low pressure are controlled by low pressure safety valve and high pressure relief valve in the system, respectively.
When the host is operating normally, one low-pressure pump works and one is standby. If the system pressure drops to a certain value, the standby pump starts to run and the standby pump stops when it reaches normal pressure. If the pressure drops to a lower value after the standby pump is started, an alarm signal should be issued to consider the main engine stopping.
When the high-pressure plunger pump is faulty, oil can be supplied by the backup manual oil pump.
The filter is placed in front of the cooler, so that the oil with a lower viscosity passes through the filter first to improve the filtering effect. The filter works in one barrel and one barrel is reserved. It is controlled by a manual switching valve.
When the oil level in the fuel tank is too low or too high, the signal will be sent by the oil level signal. Manual refueling or stop refueling.
The oil return tank is equipped with a magnetic mesh filter, which can simultaneously filter the oil and adsorb iron particles in the oil.
When the complete set of thin oil station is delivered, it is equipped with instruments and electric control box to display the operating parameters and realize the automatic control, manual control or alarm of the thin oil station.
The oil tank is equipped with an electric contact bimetal thermometer. When the oil temperature is low, a signal is issued. The electric heater is manually turned on. When the set temperature is reached, the electric heater is automatically turned off.
The oil supply port is equipped with an electric contact pressure type thermometer. According to the oil supply temperature, the upper and lower limits are adjusted to control the use of the cooler.
Technical Performance of GXYZ Type A Series High (Low) Pressure Thin Oil Station
parameter
model
GXYZ-A2.5 / 16
GXYZ-A2.5 / 25
GXYZ-A2.5 / 40
GXYZ-A2.5 / 63
GXYZ-A2.5 / 100
GXYZ-A2.5 / 125
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
100
125
Supply pressure MPa
≤0.4
Supply temperature ℃
40 3
electric motor
model
Y90S-4, V1
Y100S-4, V1
Y112S-4, V1
Power KW
1.1
2.2
4
Speed r / min
1450
1440
1440
Fuel tank volume m3
0.8
1.2
1.6
High voltage system
Pump device model
2.5MCY14-1B
Flow L / min
2.5
Supply pressure MPa
31.5
electric motor
model
Y112M-6 B35
Power Kw
2.2
Speed r / min
940
Filtration accuracy m2
0.08 ~ 0.12
Filtration area m2
3
5
7
Cooling area m2
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
1820 x 1130 x 1320
1880 x 1220 x 1650
/
Remark
All filter switching pressure difference is 0.15MPa
4. Dimensions
Figure 2-1-1 Outline drawing of GXYZ type A thin oil station
GXYZ Type A Series Thin Oil Station Dimensions
model
DN1
DN2
DN3
DN4
L
B
H
L1
L2
L3
L4
L5
GXYZ-A2.5 / 16
25
10
50
25
1250
1000
1000
1490
925
185
18
140
GXYZ-A2.5 / 25
GXYZ-A2.5 / 40
32
10
65
32
1400
1200
1050
1620
720
200
20
120
GXYZ-A2.5 / 63
model
L6
L7
B1
B2
B3
H1
H2
H3
H4
H5
H6
H7
GXYZ-A2.5 / 16
100
208
1230
360
420
1500
1132
853
150
350
70
78
GXYZ-A2.5 / 25
GXYZ-A2.5 / 40
100
276
1430
400
500
1550
1182
890
200
350
120
110
GXYZ-A2.5 / 63
V. Schematic
Figure 2-1-2 Schematic diagram of GXYZ type A series thin oil station
GXYZ type external terminal wiring diagram
Six, electric control cabinet
Serial number
Sign text
Serial number
Sign text
1
Export oil temperature
13
2 # pump start
2
1 # pump work
14
High-pressure pump start
3
2 # pump work
15
Heater start
4
High pressure pump working
16
spare
5
Heater working
17
1 # pump stop
6
Low pressure
18
2 # pump stop
7
High pressure and low pressure
19
High-pressure pump stopped
8
High oil level
20
Heater stopped
9
Low oil level
twenty one
Eliminate the alarm
10
High differential pressure
twenty two
1 # main * separate * 2 # main
11
High export oil temperature
twenty three
Central control / next to the machine
12
1 # pump start
Dashboard
Figure 2-1-4 GXYZ type A thin oil station instrument panel
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Address: Chengdong Industrial Park, Qidong City Phone: 0513-83660308, 83905568 Fax: 0513-83660318 Email: djrh888@163.com