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1、 Product features of WQK and QG cutting submersible sewage pumps:
The WQK/QGWQK and QG type cutting submersible sewage pumps have particularly strong sewage passing capacity and good cutting performance. They can chop up impurities such as long fibers, plastics, paper, belts, cloth strips, straw, ropes, etc. in the sewage and discharge them. Using the most advanced methods and designed with the most reasonable hydraulic characteristics, the electric pump can operate at full head. The best combination of excellent dry motor and water pump, the electric pump uses high-quality hard alloy, double end mechanical seal and skeleton oil seal assembly parts, which should not exceed 1/2 of the height of the motor, and the temperature of the pumped waste should not exceed 40 ℃.
2、 The product uses of WQK and QG cutting submersible sewage pumps are:
WQK/QGWQK and QG type cutting submersible sewage pumps are mainly used for engineering sewage and domestic sewage.
For example, (1) WQK and QG type cutting submersible sewage pumps are used in construction sites, engineering foundation construction, municipal facilities, and water treatment plants.
(2) Sewage discharge from the basement of various high-rise buildings, civil air defense pits, subways, and other underground structures.
(3) Sewage treatment and circulating water transportation for small and medium-sized enterprises.
(4) The pumping of slag and slurry from factories and mining enterprises such as food, paper, brewing, steel and non-ferrous metals, leather, textile, pharmaceutical, cement plants, etc.
(5) Chicken farms, pig farms, various animal husbandry industries, fish ponds are used for pumping and cleaning ponds, oxygenation, septic tanks, and other occasions for the transportation of human and animal manure and urine.
Note: The main performance and data of wqk are the same as those of wqk/qg type, except for the absence of cutting device.
3、 Performance parameters of WQK and QG cutting submersible sewage pumps:
model |
caliber
(mm) |
traffic
(m3/h) |
head
(m) |
Motor power
(kw) |
speed
(r/min) |
voltage
(v) |
WQK7-10QG |
25 |
7 |
10 |
0.75 |
2900 |
380 |
WQK8-22QG |
25 |
8 |
22 |
1.1 |
2900 |
380 |
WQK7-20 |
25 |
7 |
20 |
1.5 |
2900 |
380 |
WQK7-10QG |
32 |
7 |
10 |
0.75 |
2900 |
380 |
WQK8-12QG |
32 |
8 |
12 |
0.75 |
2900 |
380 |
WQK12-15QG |
32 |
12 |
15 |
1.1 |
2900 |
380 |
WQK7-20QG |
32 |
7 |
20 |
1.5 |
2900 |
380 |
WQK10-12QG |
40 |
10 |
12 |
1.1 |
2900 |
380 |
WQK10-15QG |
40 |
10 |
15 |
1.5 |
2900 |
380 |
WQK15-15QG |
40 |
15 |
15 |
2.2 |
2900 |
380 |
WQK15-30QG |
40 |
15 |
30 |
2.2 |
2900 |
380 |
WQK10-7QG |
50 |
10 |
7 |
0.75 |
2900 |
380 |
WQK20-7QG |
50 |
20 |
7 |
0.75 |
2900 |
380 |
WQK10-15QG |
50 |
10 |
15 |
1.5 |
2900 |
380 |
WQK20-10QG |
50 |
20 |
10 |
1.5 |
2900 |
380 |
WQK20-15QG |
50 |
20 |
15 |
1.5 |
2900 |
380 |
WQK15-18QG |
50 |
15 |
18 |
2.2 |
2900 |
380 |
WQK20-20QG |
50 |
20 |
20 |
2.2 |
2900 |
380 |
WQK40-7QG |
50 |
40 |
7 |
2.2 |
2900 |
380 |
WQK15-25QG |
50 |
15 |
25 |
2.2 |
2900 |
380 |
WQK25-15QG |
50 |
25 |
15 |
3 |
2900 |
380 |
WQK42-9QG |
50 |
42 |
9 |
3 |
2900 |
380 |
WQK18-30QG |
50 |
18 |
30 |
3 |
2900 |
380 |
WQK15-32QG |
50 |
15 |
32 |
4 |
2900 |
380 |
WQK25-22QG |
50 |
25 |
22 |
4 |
2900 |
380 |
WQK30-20QG |
50 |
30 |
20 |
4 |
2900 |
380 |
WQK40-15QG |
50 |
40 |
15 |
4 |
2900 |
380 |
WQK20-32QG |
50 |
20 |
32 |
5.5 |
2900 |
380 |
WQK25-40QG |
50 |
25 |
40 |
7.5 |
2900 |
380 |
WQK25-10QG |
65 |
25 |
10 |
1.5 |
2900 |
380 |
WQK20-15QG |
65 |
20 |
15 |
2.2 |
2900 |
380 |
WQK30-10QG |
65 |
30 |
10 |
2.2 |
2900 |
380 |
WQK25-15QG |
65 |
25 |
15 |
2.2 |
2900 |
380 |
WQK37-13QG |
65 |
37 |
13 |
3 |
2900 |
380 |
WQK25-15QG |
65 |
25 |
15 |
3 |
2900 |
380 |
WQK25-30QG |
65 |
25 |
30 |
4 |
2900 |
380 |
WQK40-15QG |
65 |
40 |
15 |
4 |
2900 |
380 |
WQK25-25QG |
65 |
25 |
25 |
4 |
2900 |
380 |
WQK25-32QG |
65 |
25 |
32 |
5.5 |
2900 |
380 |
WQK40-20QG |
65 |
40 |
20 |
5.5 |
2900 |
380 |
WQK25-40QG |
65 |
25 |
40 |
7.5 |
2900 |
380 |
WQK25-6QG |
80 |
25 |
6 |
1.1 |
2900 |
380 |
WQK30-7QG |
80 |
30 |
7 |
1.5 |
2900 |
380 |
WQK40-7QG |
80 |
40 |
7 |
2.2 |
2900 |
380 |
WQK30-30QG |
80 |
30 |
30 |
3 |
2900 |
380 |
WQK30-15QG |
80 |
30 |
15 |
3 |
2900 |
380 |
WQK40-10QG |
80 |
40 |
10 |
3 |
2900 |
380 |
WQK50-8QG |
80 |
50 |
8 |
3 |
2900 |
380 |
WQK40-15QG |
80 |
40 |
15 |
4 |
2900 |
380 |
WQK60-10QG |
80 |
60 |
10 |
4 |
2900 |
380 |
WQK60-20QG |
80 |
60 |
20 |
5.5 |
1450 |
380 |
WQK50-15QG |
80 |
50 |
15 |
5.5 |
1450 |
380 |
WQK80-10QG |
80 |
80 |
10 |
5.5 |
1450 |
380 |
WQK45-20QG |
80 |
45 |
20 |
5.5 |
1450 |
380 |
WQK65-25QG |
80 |
65 |
25 |
7.5 |
1450 |
380 |
WQK50-25QG |
80 |
50 |
25 |
7.5 |
1450 |
380 |
WQK80-20QG |
80 |
80 |
20 |
7.5 |
1450 |
380 |
WQK20-50QG |
80 |
20 |
50 |
5.5 |
2900 |
380 |
WQK20-60QG |
80 |
20 |
60 |
7.5 |
2900 |
380 |
WQK85-10QG |
100 |
85 |
10 |
4 |
1450 |
380 |
WQK65-15QG |
100 |
65 |
15 |
5.5 |
1450 |
380 |
WQK100-8QG |
100 |
100 |
8 |
5.5 |
1450 |
380 |
WQK100-15QG |
100 |
100 |
15 |
7.5 |
1450 |
380 |
WQK85-20QG |
100 |
85 |
20 |
7.5 |
1450 |
380 |
WQK100-25QG |
100 |
100 |
25 |
11 |
1450 |
380 |
WQK80-32QG |
100 |
80 |
32 |
15 |
1450 |
380 |
WQK100-30QG |
100 |
100 |
30 |
15 |
1450 |
380 |
WQK100-40QG |
100 |
100 |
40 |
15 |
1450 |
380 |
WQK115-15QG |
125 |
115 |
15 |
11 |
1450 |
380 |
WQK130-20QG |
125 |
130 |
20 |
15 |
1450 |
380 |
WQK130-10QG |
150 |
130 |
10 |
7.5 |
1450 |
380 |
WQK140-7QG |
150 |
140 |
7 |
7.5 |
1450 |
380 |
WQK130-15QG |
150 |
130 |
15 |
11 |
1450 |
380 |
WQK150-10QG |
150 |
150 |
10 |
11 |
1450 |
380 |
WQK180-15QG |
150 |
180 |
15 |
15 |
1450 |
380 |
WQK200-10QG |
150 |
200 |
10 |
15 |
1450 |
380 |
4、 Precautions for using WQK and QG type cutting submersible sewage pumps
(1) Before using the WQK and QG type cutting submersible sewage pumps, it is necessary to first check whether the cables are damaged. When handling and installing the water pump, cut iron to pull or damage the cables to avoid accidents caused by cable rupture and water leakage. If the cable cracks hard, it should be replaced immediately. And use a megohmmeter to check if the insulation resistance of the electric pump is normal (the insulation resistance should not be less than 1 megohm)
(2) Identify the grounding wire (usually yellow or green or marked with a grounding symbol), and follow the prescribed procedures to properly connect the grounding wire. Our factory's grounding wire is equipped with a grounding sign.
(3) Choose appropriate protectors (such as leakage protectors, air switches, phase failure overcurrent protectors, etc.) and do not directly connect them with knife switches.
(4) Connect the power cord of the WQK and QG cutting submersible sewage pumps according to the standard, test the power supply, check if the electric pump is running normally, and determine if the direction of rotation is correct. If the direction of rotation is incorrect, swap any two of the three power cords (note that the operating time should not exceed half a minute).
(5) Install the water outlet connector and water outlet hose (or iron pipe), tie a rope on the electric pump handle (never use a cable to replace the hanging rope), place the electric pump into the pump to be pumped, turn on the power, and it can be used.
(6) In order to ensure personal safety, it is strictly prohibited to install water operations (such as moving, inspecting, troubleshooting, etc.) near the electric pump during the operation of the electric pump. Contact with the electric pump is necessary to prevent accidents caused by electric pump leakage!
(7) It is strictly prohibited to expose the entire electric pump to the water surface for long-term operation (or short-term operation). The "on" and "off" of WQK and QG type cutting submersible sewage pumps should not be overly frequent to prevent motor overheating and damage
(8) Long term pumping of liquids with high sand content causes significant wear on the flow components. We recommend using our factory's cyclone type submersible sewage pump products.
(9) If abnormal phenomena such as non rotation, tripping of protective devices, and blown fuses are found during the operation of WQK and QG type cutting submersible sewage pumps, the power supply should be immediately cut off and the wiring of the power protection device should be checked for any problems. If these external devices are all normal, it may be a fault with the electric pump, and it should not be continued to be used to avoid accidents!
5、 The causes and solutions of faults in WQK and QG type cutting submersible sewage pumps
Fault phenomenon |
cause of failure |
solution |
The electric pump is not running |
The power cord is not properly connected |
Connect the power supply according to standard requirements |
One phase of the power supply is not powered on |
Check the fuse and power supply, connect the three-phase power supply |
Impeller and chassis stuck |
Adjust the chassis clearance between 0.2-0.5mm so that the impeller can be easily moved by hand |
Electric pump burnt out |
Repair the motor again |
Damaged protective device |
Repair or replace |
Small water output or insufficient head |
The clearance between the impeller and the chassis is too large |
Adjust the gap to the normal range (0.2-0.5mm) |
The impeller is severely worn out |
Replace the impeller |
The motor speed cannot reach the normal speed |
Replace the motor rotor or repair the voltage |
The power supply voltage is too low |
Adjust the voltage to the rated voltage |
Reduce the voltage drop on the power leads of large cross-section cables (in cases where the power leads are too long) |
Reverse rotation of electric pump |
Swap the two power connectors to make the electric pump rotate forward |
Impurities cannot be cut or
Poor cutting effect |
The clearance between the impeller and the chassis is too large |
Adjust the gap to the normal range (0.2-0.5mm) |
Cutting blade wear becomes pure |
Replace the impeller and chassis |
Protector is disconnected or
Connected and then disconnected |
Improper selection or damage of protector |
Re select a suitable protector (the rated current of the protector must match the rated current of the electric pump) |
The insulation resistance of the power motor is too low (less than 0.5M Ω) due to moisture or water leakage |
Remove the motor for drying. If the mechanical seal, sealing ring, or cable sealing head is damaged and leaks water, the damaged sealing components should be replaced |
Short circuit between turns of motor stator coil |
Replace or repair the motor again |
Two phase operation of motor |
Check the power supply or connectors, repair them |
The power supply voltage is too low |
Restore the voltage to normal value |
The electric pump is stuck by impurities |
Clean up impurities |
Excessive viscosity or sand content in water can cause overload operation of the electric pump |
Reduce viscosity or sand content |
Bearing damage |
replace the bearing |
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Ordering instructions for WQK and QG series WQK and QG cutting submersible sewage pumps:
1、 Please provide the following detailed data: ① Product names and models of WQK and QG cutting submersible sewage pumps ② Diameter (mm) of WQK and QG cutting submersible sewage pumps ③ Head (m) of WQK and QG cutting submersible sewage pumps ④ Flow rate of WQK and QG cutting submersible sewage pumps ⑤ Motor power (KW) of WQK and QG cutting submersible sewage pumps ⑥ Speed (r/min) of WQK and QG cutting submersible sewage pumps ⑦ Voltage [V] of WQK and QG cutting submersible sewage pumps ⑧ Suction stroke (m) of WQK and QG cutting submersible sewage pumps Is the WQK and QG type cutting submersible sewage pump equipped with accessories so that we can select the correct one for you.
2、 If the design unit has already selected the product models of our company's WQK and QG cutting submersible sewage pumps, please directly report to Boshan Jincheng Industrial Pump Machinery Factory according to the WQK and QG cutting submersible sewage pump models
Sales department orders.
3、 When the usage situation is very important or the environment is complex, please provide design drawings and detailed parameters as much as possible, and our technical experts at Jincheng Pump Valve will confirm the selection for you.
4、 Our company's service hotline: 0533-4680598 4685088
Thank you for visiting Boshan Jincheng Industrial Pump Machinery Factory
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