Wilo-Sub submersible pumps guarantee uninterrupted service thanks to ample flow capacity, greater flexibility thanks to vertical and horizontal installation, and longer life thanks to anti-corrosive materials in all wetted parts, making them extremely versatile in their specific areas of application.
The high-speed version with an external frequency converter, built-in control system and extensive range of monitoring and protective functions is a leader when it comes to uninterrupted service and reliable operation. Installation is easy thanks to a pressure controller integrated into the frequency converter that eliminates the need for additional sensors on site. Flow capacity is controllable and extremely reliable because the motor speed can be adjusted up to 8400rpm according to need. With its narrow 3-inch diameter and smaller overall installed size, the Sub TWU 3 High Speed also lowers investment and operating costs.
The Wilo-Sub TWU 3 HS-I 3-inch submersible pump is ideal for supplying taps with a high flow capacity. The high-speed version with built-in frequency converter, extensive monitoring and protective functions offers an extremely high flow capacity thanks to its fixed speed of 8400 rpm. With its compact overall installed size, this version also ensures low investment and operating costs.
The submersible pump is designed especially for geothermal applications. It boosts system efficiency thanks to a high annual performance factor (APF) and reduces operating costs thanks to improved hydraulics and efficient motors. With floating impellers and a built-in non-return valve, it guarantees high operational reliability. The "Quick Connect" version is very popular with installers as it allows for quick and easy adjustment of the standard motor cable to the cable length required on site.