Grundfos SL1.50.65 Submersible Wastewater Pumps with S-Tube Impeller (Max 960LPM)

The Grundfos SL1.50.65 Submersible Wastewater Pump is designed for efficient pumping of wastewater. It is fitted with an S-Tube® impeller, which provides reliable performance and allows for a free passage of solid particles with a maximum size of 50 mm, depending on the pump size.

Impeller Design and Construction
The SL1.50.65 pump features an S-Tube® impeller, known for its clog-free operation and efficient handling of wastewater. The impeller, as well as the pump housing, is made of cast iron, ensuring durability and long-lasting performance even in demanding applications.

Installation and Connectivity
The pump conforms to DIN flange standards for both the inlet and outlet connections. It has a DN 65 size for both the inlet and outlet connections and a pressure rating of PN 10. The maximum installation depth for this pump is 20 meters, making it suitable for various submerged applications.

Operating Conditions
The SL1.50.65 pump is designed to operate in a range of ambient temperatures from -20°C to 40°C. It can handle liquids with a temperature range of 10°C to 40°C. The pump is capable of operating under a maximum pressure of 6 bar, providing efficient pumping performance.

Electrical Data and Safety Features
The pump has a two-pole motor and utilizes a direct-on-line starting method. It has an IP68 enclosure class, which ensures protection against dust and water ingress. The motor is designed to be explosion-proof and includes a built-in thermal switch for motor protection. The insulation class is rated as H, providing high resistance to heat.

Cable and Controls
The SL1.50.65 pump comes with a 10-meter LYNIFLEX power cable for easy installation. However, please note that the control box is not included with the pump. Additionally, this pump is equipped with moisture sensors to detect any water ingress, providing an added layer of protection.