Submersible Sewage Pump 300WQ650-7-22 (650 m³/h, 7 m)

Submersible Sewage Pump 300WQ650-7-22 (650 m³/h, 7 m)

A durable and efficient submersible sewage pump engineered for continuous heavy-duty operation.
With a 650 m³/h flow rate and 7 m head, the 300WQ650-7-22 delivers stable performance for municipal, industrial, and construction-site wastewater handling. Its HT200 cast-iron build, copper-wound motor, and SIC mechanical seals ensure long service life, reliable operation, and reduced maintenance in challenging environments.

Applications:

  • Municipal sewage & drainage systems

  • Industrial wastewater and slurry transfer

  • Irrigation, pond dredging & general dewatering

  • Construction sites, mining, flood control

  • Hotels, hospitals, residential & commercial facilities

Category:

Description

Product Description

This series of electric pumps is widely used in industry, agriculture, mining, construction,
and municipal works. Suitable for slurry, sewage, and liquids with solids, as well as for
irrigation and pond dredging.

Scope of Use

1. Medium temperature: ≤ +40 °C
2. pH value range: 4 – 10
3. Medium density: < 1.2 × 10³ kg/m³
4. Maximum submersible depth: 5 m
95. Please specify separately when ordering if these limits are exceeded.

Product Parameters

Parameter Value
Flow Rate 650
Head 7
Speed 1450
Motor Power 22
Pump Efficiency
Voltage 380
Frequency 50
Shaft Power
Cavitation Margin

Material Description

Component Material
Impeller HT200
Pump Body HT200
Pump Shaft 45#钢
O-Ring NBR
Electrical Material 铜绕组
Other Material SIC/C-SIC/SIC-NBR

Operating Conditions

Condition Value
Maximum Ambient Temperature
Maximum Liquid Temperature 40℃
Maximum Working Pressure 10 bar
Conveying Medium ≤1.2×10³ kg/m³ 轻质污水

Connection Method

Item Value
Inlet Caliber
Outlet Caliber 300
Connection Method 软管 / 法兰 / 耦合

Motor

Motor Parameter Value
Motor Speed 1450
Capacitance Capacity
Rated Voltage 380
Number of Phases 三相
Protection Level IP68
Insulation Level B
Motor Power 22
Frequency 50
Rated Current 42.4
Energy Efficiency Level
IE3 Power Factor 0.86
Extended Shaft Bearings 6311*2
Non-Extended Shaft Bearings 6311
Efficiency 91.6

Packaging

Item Value
Gross Weight /
Dimensions of Packaging /

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