Shanghai Gaoyu Pump & Valve Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of submersible sewage pump with float switch in China. Please rest assured to wholesale customized submersible sewage pump with float switch from our factory. For price consultation, contact us.
Product Description
The sewage pump float switch product combines the submersible sewage pump with the float switch control principle. It is primarily used in sewage treatment and drainage systems. The working principle involves the float rising and falling with the liquid level, triggering an internal mechanical structure or magnetic switch to control the pump's start/stop. Its main function is to automatically start or stop the pump based on water level changes, enabling automatic sewage extraction and discharge. The float switch activates the pump at a high water level and deactivates it at a low water level, requiring no manual intervention, the float switch sewage pump is automated. Suitable for scenarios requiring automatic liquid level control in sewage/wastewater treatment, can operate continuously with corrosion resistance. Used in basement drainage, industrial wastewater, construction sites, etc., especially suitable for unmanned environments, frequent start/stop, or high manual management costs. This sewage sump pump float switch combo is convenient.
Product Features
Automatic Operation: When the water level rises, the float rises, triggering the switch to start the pump for drainage; when the water level drops, the float sinks, turning off the pump. This design of float switch sewage pump uses buoyancy and gravity balance for automatic start/stop without electrical control. The liquid level float device can automatically control pump start/stop based on desired level changes, it has a high degree of automation and does not require dedicated personnel to watch over it.
Structural Design: Housing is cast iron, corrosion-resistant; this sewage sump pump float switch product can be equipped with cutter impellers to handle sewage containing fibrous impurities.
Stable Operation: Motor protection class IP68, can operate submerged for long periods, durable.
Space Saving: Achieves automatic liquid level control via the float switch without additional electrical control cabinets. Compact structure, low space requirement, can be directly installed in sewage tanks, saving pump room infrastructure cost. The sewage pump float switch system is efficient.
Operating Conditions
- Nominal Diameter: DN32-DN50
- Head: 6 m ~ 30 m
- Flow Rate: 3 m³/h ~ 60 m³/h
- Power: 0.37 kW ~ 3 kW
- Speed: 2900 r/min
- Float rises/sinks with liquid level, controlling pump start/stop via mechanical or magnetic switch for fully automatic operation.
- Medium Temp.: Not exceeding +40°C
- Medium pH: 4 ~ 10
- Submersion Depth: Not exceeding 5 m
Model/Specifications Table
FAQ
Q: How does the float switch prevent dry running?
A: The float switch sewage pump automatically stops the pump when the liquid level falls below a set point, ensuring the motor remains submerged and cooled, thus preventing damage from dry running.
Q: Can the float switch be adjusted for different activation levels?
A: Yes, on most sewage sump pump float switch models, the length of the float cable or the position of the float itself can often be adjusted to set the desired start and stop levels according to the specific sump or tank requirements.
Q: Is an external control panel needed for automatic operation?
A: No, the sewage pump float switch provides autonomous control based on liquid level without requiring an external control panel, simplifying the system and reducing costs for basic automatic drainage applications.
