Large flow submersible sewage pump-Fornitore globale

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Jinze Industrial Park, Qingpu District, Shanghai

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Large flow submersible sewage pump

The high flow submersible sewage pump is a new generation of pump products developed based on the introduction of advanced foreign technology and comb

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Large flow submersible sewage pumpProduct Overview:
The YW type unobstructed submersible sewage pump is a new generation of pump products developed based on the introduction of advanced foreign technology and the characteristics of domestic water pump usage. It has significant energy-saving effects, anti winding, non clogging, automatic installation, and automatic control. It has a unique effect in the discharge of solid particles and long fiber waste.
This series of pumps adopts a unique impeller structure and a new type of mechanical seal, which can effectively transport solids 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.

Large flow submersible sewage pumpUsage conditions:
1. The operating environment temperature of the pump is ≤ 40 ℃, and the humidity is ≤ 95%; Altitude ≤ 1000 meters.
2. The medium temperature shall not exceed 60 ℃, and the medium density shall be 1-1.3kg/dm3.
3. The range of use for cast iron material is from pH 5 to 9.
4. Stainless steel material can be used with general corrosive media.
5. The altitude of the usage environment should not exceed 1000 meters. If it exceeds the above conditions, it should be mentioned when placing an order to provide you with more reliable products.
Note: If the user has special requirements for temperature, medium, etc., please specify the detailed information of the conveying medium when ordering, so that our unit can provide more reliable products.

Product features of unobstructed sewage pump:
1. Adopting a unique single or double blade impeller structure greatly improves the ability of pollutants to pass through, effectively passing through 5 times the fiber material of the pump diameter and solid particles with a diameter of about 50% of the pump diameter.
2. The sealing adopts high-quality mechanical seals, which can ensure the safe and continuous operation of the pump for more than 8000 hours.
3. The overall structure is compact, small in size, low in noise, and has significant energy-saving effects. It is easy to maintain and does not require the construction of a pump room. It can work underwater, greatly reducing project costs.
4. The pump has a compact structure, small volume, easy movement, and simple installation.
5. It can be equipped with a liquid level automatic control cabinet, which can automatically control the start and stop of the pump according to the required liquid level changes, without the need for special supervision, making it extremely convenient to use.
6. The pump is a vertical structure, and the pump body is immersed in liquid during operation, making it easy to start. There is no problem of exhaust and evacuation, and it has the characteristics of no leakage. The underwater depth can reach 7 meters.
7. The shaft connection structure is advanced and reliable, and the pump and motor are connected by a coupling. The pump shaft size is precise, ensuring smooth operation of the pump with sufficient safety factor.
8. There are two types of pumps: single tube installation and double tube installation. The supporting components include disc and square disc installation, which are suitable for different needs.

Large flow submersible sewage pumpProduct Usage:
The YW type submersible sewage pump is suitable for conveying granular sewage and waste in industries such as chemical, petroleum, pharmaceutical, mining, paper industry, cement plant, steel plant, power plant, coal processing industry, as well as urban sewage treatment plant drainage system, municipal engineering, construction sites, etc. It can also be used to pump clean water and corrosive media.

Selection of technology for underwater unobstructed sewage pump:

Serial Number	model	caliber	internet traffic	lift	power	rotational speed	efficiency
Serial Number	model	mm	m3/h	m	KW	r/min	%
1	25 YW 8-22-1.1	25	8	22	1.1	2900	38.5
2	32 YW 12-15-1.1	32	12	15	1.1	2900	40
3	40 YW 15-15-1.5	40	15	15	1.5	2900	45.1
4	40 YW 15-30-2.2	40	15	30	2.2	2900	48
5	50 YW 20-7-0.75	50	20	7	0.75	2900	54
6	50 YW 10-10-0.75	50	10	10	0.75	2900	56
7	50 YW 20-15-1.5	50	20	15	1.5	2900	55
8	50 YW 15-25-2.2	50	15	25	2.2	2900	56
9	50 YW 25-20-2.2	50	25	20	2.2	2900	56
10	50 YW 18-30-3	50	18	30	3	2900	58
11	50 YW 25-32-5.5	50	25	32	5.5	2900	53
12	50 YW 20-40-7.5	50	20	40	7.5	2900	55
13	65 YW 25-15-2.2	65	25	15	2.2	2900	52
14	65 YW 37-13-3	65	37	13	3	2900	55
15	65 YW 25-30-4	65	25	30	4	2900	58
16	65 YW 30-40-7.5	65	30	40	7.5	2900	56
17	65 YW 35-50-11	65	35	50	11	2900	60
18	65 YW 35-60-15	65	35	60	15	2900	63
19	80 YW 40-7-2.2	80	40	7	2.2	1450	52
20	80 YW 43-13-3	80	43	13	3	2900	50
21	80 YW 40-15-4	80	40	15	4	2900	57
22	80 YW 65-25-7.5	80	65	25	7.5	2900	56
23	100 YW 80-10-4	100	80	10	4	1450	62
24	100 YW 110-10-5.5	100	110	10	5.5	1450	66
25	100 YW 100-15-7.5	100	100	15	7.5	1450	67
26	100 YW 80-20-7.5	100	80	20	7.5	1450	68
27	100 YW 100-25-11	100	100	25	11	1450	65
28	100 YW 100-30-15	100	100	30	15	1450	66
29	100 YW100-35-18.5	100	100	35	18.5	1450	65
30	125 YW 100-15-11	125	100	15	11	1450	62
31	125 YW 130-20-15	125	130	20	15	1450	63
32	150 YW 145-9-7.5	150	145	9	7.5	1450	63
33	150 YW 180-15-15	150	180	15	15	1450	65
34	150 YW 180-20-18.5	150	180	20	18.5	1450	75
35	150 YW 180-25-22	150	180	25	22	1450	76
36	150 YW 130-30-22	150	130	30	22	1450	75
37	150 YW 180-30-30	150	180	30	30	1450	73
38	150 YW 200-30-37	150	200	30	37	1450	70
39	150 YW 160-45-37	150	160	37	37	1450	70
40	200 YW 300-7-11	200	300	7	11	980	73
41	200 YW 250-11-15	200	250	11	15	980	74
42	200 YW 250-15-18.5	200	250	15	18.5	1450	72
43	200 YW 400-10-22	200	400	10	22	1450	76
44	200 YW 400-13-30	200	400	13	30	1450	73
45	200 YW 300-15-22	200	300	15	22	1450	73
46	200 YW 250-22-30	200	250	22	30	1450	71
47	200 YW 350-25-37	200	350	25	37	1450	75
48	200 YW 400-30-55	200	400	30	55	1450	70
49	250 YW 600-9-30	250	600	9	30	980	74
50	250 YW 600-12-37	250	600	12	37	1450	78
51	250 YW 600-15-55	250	600	15	55	1450	75
52	250 YW 600-20-55	250	600	20	55	1450	73
53	300 YW 500-15-45	300	500	15	45	980	70
54	300 YW 800-15-55	300	800	15	55	980	73
55	300 YW 600-20-55	300	600	20	55	980	75
56	300 YW 800-20-75	300	800	20	75	980	78
57	300 YW 950-20-90	300	950	20	90	980	80
58	300 YW 1000-25-110	300	1000	25	110	980	82
59	350 YW 1100-10-55	350	1100	10	55	980	84.5
60	350 YW 1500-15-90	350	1500	15	90	980	82.5
61	350 YW 1200-18-90	350	1200	18	90	980	83.1
62	350 YW 1100-28-132	350	1100	28	132	740	83.2
63	350 YW 1000-36-160	350	1000	36	160	740	78.5
64	400 YW 2000-15-132	400	2000	15	132	740	85.5
65	400 YW 1700-22-160	400	1700	22	160	740	82.1
66	400 YW 1500-26-160	400	1500	26	160	740	83.5
67	400 YW 1700-30-200	400	1700	30	200	740	83.5
68	400 YW 1800-32-250	400	1800	32	250	740	82.1
69	500 YW 2500-10-110	500	2500	10	110	740	82
70	500 YW 2600-15-160	500	2600	15	160	740	83
71	500 YW 2400-22-220	500	2400	22	220	740	84
72	500 YW 2600-24-250	500	2600	24	250	740	82

Large flow submersible sewage pumpPerformance curve:

Fault analysis:

Fault phenomenon

cause analysis

Troubleshooting

Insufficient flow or no water output

1. Impeller rotation error

2. Whether the valve is open and intact

3. The impeller of the pipeline is blocked

4. Low speed

5. High head

6. High density and precision of the pumping medium

7. Damaged sealing ring (at the mouth ring)

1. Adjust the rotation direction of the impeller

2. Inspection, maintenance, and troubleshooting

3. Clean up debris

4. Check electrical equipment and circuits

5. Change the pump or reduce the head

6. Dilute with water to reduce concentration or viscosity

7. Replacement

Unstable operation or pump failure to start

1. Unbalanced impeller

2. Bearing damage

3 missing phases

Impeller stuck

1. Send to the manufacturer for replacement or calibration

2 Replacement

3. Check the circuit for repair

4. Remove debris

Excessive current

1. Low working voltage

2. Blocked pipeline impeller

3. Use a low head

4. The height or viscosity of the liquid being pumped is relatively high

1. Adjust the working voltage

2. Clean the impeller structure of the pipeline

3. Reduce flow and increase head

4. Change or viscosity

The pump has noise or vibration

1. The pump shaft and motor shaft are not concentric

2. There is gas in the medium

3. Corrosion causes the pump shaft to be unbalanced

4. Loose bolts at the transmission device

5. Bending of pump shaft

1. Adjustment

2. Cooling or pressurization

3. Replace

4. Tighten

5. Rectify or replace

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