WQ(D)-B Submersible Sewage Pump

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WQ(D)-B submersible sewage pump contains three parts, motor, water pump and sealing parts. The motor is single or three phase asynchronous type, and it is set on the top of the water pump which has channel impeller-volute structure. On the other hand, mechanical seal and framework oil seal are used as the motive seal between motor and water pump, and the oil resistant rubber O ring is the static seal for rabbet. So, the excellent reliability is guaranteed.

This pump is the second generation, and it is improved on the basis of the first generation. It shows the advantages of better appearance, more reasonable structure, easier assembly and disassembly as well as better performance in energy saving. For the models owning rated power of less than 2.2kW, the rotor shaft is made of stainless steel, and for the other models, the rotor shaft is produced through friction welding process of CS45# and stainless steel 316. In this way, the shaft possesses reliable mechanical strength as well as good abrasion and corrosion resisting properties, and the disassembly and maintenance of impeller are also very convenient.

Technical Parameters

Model	RatedFlow (m3/h)	RateHead(m)	RatedPower(kW)	Rated Voltage(V)	Rated Current(A)	Synchr-onousSpeed (r/min)	Inner Diameterof Pipe (mm)	Head ApplicationRange (m)	Installation Dimensions (mm)						Note
Model	RatedFlow (m3/h)	RateHead(m)	RatedPower(kW)	Rated Voltage(V)	Rated Current(A)	Synchr-onousSpeed (r/min)	Inner Diameterof Pipe (mm)	Head ApplicationRange (m)	L	H	DN	D	K	n-d	Note
WQD6-12-0.55B	6	12	0.55	220	4.1	3000	51	Full head	242	415	G1 1/2 pipe thread				Built-in thermal protector
WQD6-16-0.75B	6	16	0.75		5.2		51	9-19	242	415	G1 1/2 pipe thread
WQD10-10-0.75B	10	10	0.75		5.2		51	Full head	298	415	44	140	110	4-Φ14
WQD7-15-1.1B	7	15	1.1		7.3		51	3-18	338	475	44	140	110	4-Φ14
WQD15-9-1.1B	15	9	1.1		7.3		51	Full head	314	475	45	140	110	4-Φ14
WQ6-16-0.75B	6	16	0.75	380	2.0		51	9-19	242	415	G1 1/2 pipe thread
WQ10-10-0.75B	10	10					51	Full head	298	415	50	140	110	4-Φ14
WQ15-7-0.75B	15	7					64	Full head	310	415	50	140	110	4-Φ14
WQ7-15-1.1B	7	15	1.1		2.7		51	3-18	338	475	50	140	110	4-Φ14
WQ15-9-1.1B	15	9					51	Full head	314	475	50	140	110	4-Φ14
WQ25-7-1.1B	25	7					64		332	485	50	140	110	4-Φ14
WQ12-15-1.5B	12	15	1.5		3.6		51		332	485	50	140	110	4-Φ14
WQ18-15-1.5B	18	15					64		332	485	50	140	110	4-Φ14
WQ25-10-1.5B	25	10					64		332	485	50	140	110	4-Φ14
WQ9-22-2.2B	9	22	2.2		5.1		51		341	532	50	140	110	4-Φ14
WQ15-20-2.2B	15	20					64		356	532	50	140	110	4-Φ14
WQ25-15-2.2B	25	15					76		390	545	65	160	130	4-Φ14
WQ35-7-2.2B	35	7					76		390	545	65	160	130	4-Φ14
WQ42-9-2.2B	42	9					76		390	545	65	160	130	4-Φ14

Model	Rated Flow (m3/h)	RateHead(m)	Rated Power(kW)	Rated Voltage(V)	Rated Current(A)	Synchronous Speed (r/min)	Inner Diameterof Pipe (mm)	Head Application Range (m)	Installation Dimensions (mm)						Note
Model	Rated Flow (m3/h)	RateHead(m)	Rated Power(kW)	Rated Voltage(V)	Rated Current(A)	Synchronous Speed (r/min)	Inner Diameterof Pipe (mm)	Head Application Range (m)	L	H	DN	D	K	n-d	Note
WQ15-30-3B	15	30	3	380	6.7	3000	64	20-35	371	570	50	140	110	4-Φ14
WQ20-22-3B	20	22					76	10-28	370	574	65	160	130	4-Φ14
WQ25-20-3 B	25	20					76	10-28	370	574	65	160	130	4-Φ14
WQ43-13-3 B	43	13					102	Full head	437	613	80	190	150	4-Φ18
WQ50-10-3 B	50	10					102		437	613	80	190	150	4-Φ18
WQ40-15-4 B	40	15	4		8.8		102		452	653	100	210	170	4-Φ18
WQ60-10-4 B	60	10	4		8.8		102		452	653	100	210	170	4-Φ18
WQ15-40-5.5 B	15	40	5.5		11.7		64		416	662	50	140	110	4-Φ14
WQ30-30-5.5 B	30	30					76		443	662	50	140	110	4-Φ14
WQ65-15-5.5 B	65	15					102		452	711	100	210	170	4-Φ18
WQ45-22-7.5 B	45	22	7.5		15.7		76		477	751	100	210	170	4-Φ18
WQ65-20-7.5 B	65	20					102		507	751	100	210	170	4-Φ18
WQ80-15-7.5 B	80	15					102		507	751	100	210	170	4-Φ18
WQ100-10-7.5B	100	10					102		507	751	100	210	170	4-Φ18

The pumped liquid is allowed to include mud, sand, short fiber, paper scrap and other solid particles and soft solids. So, mud water, grey water, sewage, excrement, domestic wastewater and other liquids are all suitable for this machine. Our pump is the perfect product for construction site, desilting of pool as well as irrigation and drainage in agriculture, and it is also applicable for industry, agriculture, mine, environment protection, etc. But, it is not suitable for places that have anti-explosion requirements.

Working Conditions
Our machine can work normally and continually if the following requirements are met.
1. Medium temperature: Not over 40℃
2. PH range of medium: 4~10
3. Max. density of medium: 1.2×103kg/m3
4. Voltage fluctuation range: 10% of rated voltage
5. Submersion depth: ≤5 meters

Model Instruction

As a specialized cast iron submersible sewage pump manufacturer and supplier in China, we provide not only sewage pump, but also jet pump, circulation pump, submersible pump, small integrated pump unit, and much more.

Related Name: Electric Sewage Diving Pump | Electronic Sump Under Water Pump

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