Oil pump: KCB explosion-proof gear oil pump

KCB gear oil pump; YHCB arc gear oil pump ISWB type horizontal pipeline oil pump CYZ-A type self-priming centrifugal oil pump LQRY series thermal oil pump YG type vertical pipeline oil pump
The KCB series ordinary gear lubrication pump is mainly used for conveying lubricating oil in lubrication systems of various mechanical equipment, suitable for conveying viscosity up to 10. Oil with lubricity below E (75C. S.t) and temperature below 300 ℃. Stainless steel gear pump can transport non lubricating oil, beverages, and low corrosive liquids. Equipped with copper gears, it can transport low internal point liquids such as gasoline, benzene, etc. In addition to regular motors, this series of pumps can also be equipped with explosion-proof motors of the same specifications according to user needs.

Model

Diameter of suction and discharge pipes (inches)

speed
（r/min）

traffic
（l/min）

motor
（kw）

release pressure
mpa

Allow vacuum suction (m)

2cy-1.1/14.5-2（kcb-18.3）

3/4'

1450

18.3

1.5

1.45

5

2cy-2/14.5-2（kcb-33.3）

3/4'

1450

33.3

2.2

1.45

5

2cy-3.3/3.3-2（kcb-55）

1'

1450

55

1.5

0.33

5

2cy-3.3/5-2（kcb-55）

1'

1450

55

2.2

0.50

5

2cy-5/3.3-2（kcb-83.3）

11/2'

1450

83.3

2.2

0.33

5

2cy-5/5-2（kcb-83.3）

11/2'

1450

83.3

3

0.50

5

2cy-8/3.3-2（kcb-200）

2'

1450

200

4

0.33

5

2cy-12/1.3-2（kcb-200）

2'

1450

200

4

0.13

5

2cy-12/3.3-2（kcb-200）

2'

1450

200

5.5

0.33

5

2cy-12/6-2（kcb-200）

2'

1450

200

5.5

0.60

5

2cy-12/10-2（kcb-200）

2'

1450

200

7.5

1.00

5

2cy-18/3.6-2（kcb-300）

3'

1450

300

5.5

0.36

5

2cy-18/3.6-2（kcb-300）

3'

1450

300

7.5

0.36

5

2cy-29/3.6-2（kcb-483.3）

3'

1450

483.3

7.5

0.36

5

2cy-29/10-2（kcb-483.3）

3'

1450

483.3

11

1.00

5

2cy-38/2.8-2（kcb-633）

4'

1450

633

11

0.28

5

2cy-38/8-2（kcb-633）

4'

1450

633

22

0.80

5

2cy-60/3-2（kcb-960）

4'

1450

960

18.5

0.30

5

2cy-60/6-2（kcb-960）

4'

1450

960

30

0.60

5

2cy-120/3-2（kcb-2000）

6'

1450

2000

30

0.30

5

2cy-150/3-2（kcb-2000）

6'

1450

2500

37

0.30

5

Fault phenomenon of gear oil pump

Root cause analysis

exclusion method

KCB gear oil pump does not discharge oil or discharges less oil

1. Inhalation height exceeds the rated value
2. Air leakage in the suction pipeline
3. Incorrect rotation direction
4. Blockage of suction pipeline or valve closure
5. The safety valve is stuck or scratched
6. Low liquid temperature and increased viscosity

1. Increase the suction liquid level
2. Check each joint and seal it with sealing materials such as cotton
3. Correct the indicated direction of the pump connection
4. Check if the pipeline is blocked and if the valve is fully open
5. Disassemble the safety valve, clean it, and grind the valve hole with a fine sandpaper to match it.
6. Allow the hot liquid to cool down. If not possible, reduce the discharge pressure or decrease the discharge flow rate

KCB gear oil pump seal leakage

1. The shaft seal is not adjusted properly
2. The sealing ring is worn and the gap increases
3. The friction surface of the mechanical seal's dynamic and static balls is damaged or has defects such as burrs and scratches
4. Spring relaxation

1. Readjust
2. Tighten the adjusting nut appropriately or replace the sealing ring
3. Replace the dynamic and static rings or re grind them
4. Replace the spring

KCB gear oil pump has high noise or vibration

1. Blockage of suction pipe or filter screen
2. The suction pipe extends shallowly into the liquid level
3. Air enters the pipeline
4. Excessive resistance in the discharge pipeline
5. Severe wear of gear bearings or side plates
6. Interference occurs in the rotating part
7. The viscosity of the inhaled liquid is too high
8. Inhalation height exceeding rated weight

1. Eliminate dirt on the filter screen
2. The suction pipe should extend into the depth of the liquid pool to the left and right
3. Check all connections to ensure they are sealed
4. Check if the discharge pipeline and valves are blocked
5. Disassemble and clean, and repair defects or replace
6. Disassemble, inspect and troubleshoot
7. Conduct viscosity measurement and handle according to the sixth phenomenon in Table 2
8. Increase the suction liquid level