Stainless steel non clogging submersible sewage pump-Fornitore globale

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Jinze Industrial Park, Qingpu District, Shanghai

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Stainless steel non clogging submersible sewage pump

The stainless steel non clogging submersible sewage pump adopts a large channel anti clogging hydraulic component design, greatly improving the abilit

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product overview
Stainless steel non clogging submersible sewage pump is a new type of submersible sewage pump made of precision manufactured stainless steel material. The product has undergone acid washing and polishing treatment, and has a beautiful appearance. It has the characteristics of ordinary submersible sewage pumps and is superior to WQ submersible sewage pumps. It is resistant to use in general corrosive environments.It has the characteristics of significant energy-saving effect, anti winding, no blockage, automatic installation and automatic control. It has a unique effect in the discharge of solid particles and long fiber waste. This seriesSewage pumpBy adopting a unique impeller structure and a new type of mechanical seal, it can effectively transport media containing solid matter and long fibers. Compared with traditional impellers, the impeller of this pump adopts a single channel or double channel form, which is similar to a curved pipe with the same cross-sectional size and has very good flow characteristics. Coupled with a reasonable volute chamber, the pump has high efficiency and the impeller has undergone dynamic and static balance tests, making the pump operate without vibration.
The hydraulic performance of this pump is advanced and mature. After testing, all performance indicators of the product have reached the relevant standards and regulations. After its launch on the market, the product has been welcomed and praised by a large number of users for its unique efficacy, reliable performance, and stable quality.

scope of application
Stainless steel non clogging submersible sewage pump is suitable for the discharge of severely polluted wastewater in factories and commercial areas, sewage discharge stations in residential areas, urban sewage treatment plant drainage systems, civil air defense system drainage stations, water supply equipment in water plants, sewage discharge in hospitals and hotels, municipal engineering construction sites, mining supporting machinery, rural biogas digesters, farmland irrigation and other industries. It can also be used for conveying granular sewage and pollutants, as well as for clean water and weakly corrosive media.

Conditions of Use
1. This series of sewage pumps is suitable for rated voltage of 380V and power frequency of 50Hz
2. The temperature of the medium should not exceed 40 degrees Celsius, the density of the medium should be ≤ 1150kg/m3, and the pH value should be between 5-9;
3. The altitude shall not exceed 1000 meters;
4. The annual viscosity of the conveying medium shall not exceed 1000CP;
5. The product must be completely submerged in water during operation, but the diving depth must not exceed 10m;
6. The product material is mainly cast iron and cannot be used in highly corrosive or corrosive media;
Attention: Before selecting or installing the pump, it is necessary to ensure that the actual usage conditions of the pump comply with the above terms to ensure the correct use of the product!

Product Features
1. Adopting a double blade impeller structure greatly improves the ability of pollutants to pass through;
2. The mechanical seal adopts a new type of friction pair and operates in the oil chamber for a long time;
3. The overall structure is compact, small in size, low in noise, and has significant energy-saving effects. It is easy to maintain and convenient for users to replace;
4. The automatic control cabinet can automatically control the pump's over movement and stop according to the required liquid level changes, without the need for dedicated personnel to supervise, making it extremely convenient to use;
5. Installation methods can be provided according to user needs, which greatly facilitates installation and maintenance. People do not need to enter the sewage pit for this purpose;
6. Can be used within the design scope while ensuring that the motor does not overload;

Product Selection

For example: 50WQ (QW) P15-30-3
50- Discharge diameter (mm)
WQP Fixed Stainless Steel Submersible Sewage Pump
QWP Mobile Stainless Steel Submersible Sewage Discharge
15- Flow rate (m3/h)
30 Head (m)
3- Power consumption (KW)

model	caliber mm	internet traffic m3/h	lift m	power KW	rotational speed r/min	efficiency %
25WQ（QW)P8-22-1.1	25	8	22	1.1	2825	38.5
32WQ（QW)P12-15-1.1	32	12	15	1.1	2825	40
40WQ（QW)P15-15-1.5	40	15	15	1.5	2840	45.1
40WQ（QW)P15-30-2.2	40	15	30	2.2	2840	48
50WQ（QW)P20-7-0.75	50	20	7	0.75	1390	54
50WQ（QW)P10-10-0.75	50	10	10	0.75	1390	56
50WQ（QW)P20-15-1.5	50	20	15	1.5	2840	55
50WQ（QW)P15-25-2.2	50	15	25	2.2	2840	56
50WQ（QW)P18-30-3	50	18	30	3	2880	58
50WQ（QW)P25-32-5.5	50	25	32	5.5	2900	53
50WQ（QW)P20-40-7.5	50	20	40	7.5	2900	55
65WQ（QW)P25-15-2.2	65	25	15	2.2	2840	52
65WQ（QW)P37-13-3	65	37	13	3	2880	55
65WQ（QW)P25-30-4	65	25	30	4	2890	58
65WQ（QW)P30-40-7.5	65	30	40	7.5	2900	56
65WQ（QW)P35-50-11	65	35	50	11	2930	60
65WQ（QW)P35-60-15	65	35	60	15	2930	63
80WQ（QW)P40-7-2.2	80	40	7	2.2	1420	52
80WQ（QW)P43-13-3	80	43	13	3	2880	50
80WQ（QW)P40-15-4	80	40	15	4	2890	57
80WQ（QW)P65-25-7.5	80	65	25	7.5	2900	56
100WQ（QW)P80-10-4	100	80	10	4	1440	62
100WQ（QW)P110-10-5.5	100	110	10	5.5	1440	66
100WQ（QW)P100-15-7.5	100	100	15	7.5	1440	67
100WQ（QW)P85-20-7.5	100	85	20	7.5	1440	68
100WQ（QW)P100-25-11	100	100	25	11	1460	65
100WQ（QW)P100-30-15	100	100	30	15	1460	66
100WQ（QW)P100-35-18.5	100	100	35	18.5	1470	65
125WQ（QW)P130-15-11	125	130	15	11	1460	62
125WQ（QW)P130-20-15	125	130	20	15	1460	63
150WQ（QW)P145-9-7.5	150	145	9	7.5	1440	63
150WQ（QW)P180-15-15	150	180	15	15	1460	65
150WQ（QW)P180-20-18.5	150	180	20	18.5	1470	75
150WQ（QW)P180-25-22	150	180	25	22	1470	76
150WQ（QW)P130-30-22	150	130	30	22	1470	75
150WQ（QW)P180-30-30	150	180	30	30	1470	73
150WQ（QW)P200-30-37	150	200	30	37	1480	70
200WQ（QW)P300-7-11	200	300	7	11	970	73
200WQ（QW)P250-11-15	200	250	11	15	970	74
200WQ（QW)P400-10-22	200	400	10	22	1470	76
200WQ（QW)P400-13-30	200	400	13	30	1470	73
200WQ（QW)P250-15-18.5	200	250	15	18.5	1470	72
200WQ（QW)P300-15-22	200	300	15	22	1470	73
200WQ（QW)P250-22-30	200	250	22	30	1470	71
200WQ（QW)P350-25-37	200	350	25	37	1980	75
200WQ（QW)P400-30-45	200	400	30	45	1480	70
250WQ（QW)P600-9-30	250	600	9	30	980	74
250WQ（QW)P600-12-37	250	600	12	37	1480	78
250WQ（QW)P600-15-45	250	600	15	45	1480	75
250WQ（QW)P600-20-55	250	600	20	55	1480	73
250WQ（QW)P600-25-75	250	600	25	75	1480	73
250WQ（QW)P800-12-45	250	800	12	45	980	76
300WQ（QW)P500-15-45	300	500	15	45	980	70
300WQ（QW)P800-15-55	300	800	15	55	980	73
300WQ（QW)P600-20-55	300	600	20	55	980	75
300WQ（QW)P800-20-75	300	800	20	75	980	78
300WQ（QW)P950-20-90	300	950	20	90	980	80
300WQ（QW)P1000-25-110	300	1000	25	110	980	82
350WQ（QW)P1100-10-55	350	1100	10	55	980	84.5
350WQ（QW)P1500-15-90	350	1500	15	90	980	82.5
350WQ（QW)P1200-18-90	350	1200	18	90	980	83.1
350WQ（QW)P1100-28-132	350	1100	28	132	740	83.2
350WQ（QW)P1000-36-160	350	1000	36	160	740	78.5
350WQ（QW)P1500-10-75	400	1500	10	75	980	82.1
400WQ（QW)P2000-15-132	400	2000	15	132	740	85.5
400WQ（QW)P1700-22-160	400	1700	22	160	740	82.1
400WQ（QW)P1500-26-160	400	1500	26	160	740	83.5
400WQ（QW)P1700-30-200	400	1700	30	200	740	83.5
400WQ（QW)P1800-32-250	400	1800	32	250	740	82.1

Applicable occasions of the product:
1. The discharge of severely polluted wastewater from factories and businesses.
2. Urban sewage treatment plant drainage system.
3. Sewage drainage stations in residential areas.
4. Civil air defense system drainage station.
5. Wastewater discharge from hospitals and hotels.
6. Stainless steel non clogging submersible sewage pump for municipal engineering and construction sites.
7. Exploration and mining supporting equipment.
8. Rural biogas digesters for farmland irrigation.
9. The water supply system of a water plant.

fault analysis

Reason for malfunction	cause analysis	processing method
Pump flow or head decrease	1. Pump reversal	1. Turn off the main power supply of the control box and replace any two-phase power lines.
	2. The conveying head is too high.	2. Check: a. Whether the selected pump model is correct.
		b、 Is the size of the outlet pipe correct.
	3. The suction medium goes through a bypass.	3. Check if the valve is closed tightly, and then fully load test the pump.
	4. The water outlet pipe is leaking.	4. Identify the leak and make corrections accordingly.
	5. The outlet pipe may be partially blocked by sediment	5. Inspect pipelines, clean or replace with new ones.
	6. The pump is partially blocked.	6. Lift the pump surge, and if the pump is placed inside the filter screen, it also needs to be inspected and cleaned
	7. Impeller/base wear.	7. Lift the pump to adjust the clearance or replace parts.
The pump does not produce liquid after operation		1、 a、 Open and close the valve several times in succession.
	1. Air blockage.	b、 Start and stop the pump several times, with a gap of 2-3 minutes between each restart
		c、 According to different installation methods, check if an air release valve needs to be installed
	2. Check the water discharge valve.	2、 a、 If the valve is in the closed state, it should be opened.
		b、 If the installation is reversed, it should be reversed again.
	3. Pump reversal.	3. Refer to 1. (1)
The pump starts and stops too frequently	1. The distance set by the float switch is too short.	1. Reset the float switch to extend the running time.
The pump starts and stops too frequently	2. The check valve is malfunctioning and cannot check back, causing the liquid to flow back into the sewage tank.	2. Check and repair.
The sewage pump stops and malfunctions	1. Floating ball opening, pavilion stop 'malfunction'.	1. Check and replace if necessary.
The sewage pump stops and malfunctions	2. The float on the float is stuck in the 'working' position	2. If necessary, the position can be changed.
After the pump is started, the circuit breaker/overload device trips open	1. Low voltage.	1、 a、 Check the voltage of the control box. If the voltage is too low, it cannot be used temporarily. b、 If the cable is too long and causes excessive voltage drop, the cable should be shortened as much as possible and thicker cables should be selected appropriately.
	2. The voltage is too high.	2. Install a transformer and plug the voltage hole into the specified range.
	3. Electric sarcasm wiring is incorrect	3. Check the cable color codes and connector numbers in the control box and inspect the wiring
	4. Has mud accumulated at the bottom of the snail shell? It's sediment.	4. Clean the pump and sewage tank, refer to the relevant sections in the installation instructions.
The pump cannot be started, the fuse is blown or the circuit breaker is tripped	1. Float malfunction.	1. Check if the bypass float switch can start the pump. If so, the float switch should be checked.
	2. Winding, joint or cable open circuit.	2. Check with an ohmmeter. If it is proven to be a circuit, check the winding, terminals, and cables.
	3. The pump is blocked	3. Cut off the power, remove the pump from the sewage tank, clear obstacles, and try it out before resetting.
The pump cannot start, but the fuse is not broken or the overload protector does not trip	1. No electricity.	1. Check if the control box has power.
	2. Windings, cables, connectors, or control switches are disconnected.	2. Check the connectors and windings of cables and motors.

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