Wilo-Sub TWI 5-904DM water pump 4104126

Submersible Water Pump – Reliable Source of Clean Water

The Wilo-Sub TWI 5-904DM is a three-phase submersible pump designed for efficient and reliable water pumping. Constructed from stainless steel, it ensures long-term operation even under demanding conditions. This robust solution is ideal for installers seeking high-quality equipment and end-users requiring constant access to water.

Design and Applications

The Wilo-Sub TWI 5-904DM pump features a 5-inch (127 mm) diameter and is designed for submersion up to a depth of 17 meters. Its multi-stage impeller design enables high flow rates and pressure. It is ideally suited for:

• Domestic water supply,
• Irrigation systems for gardens and crops,
• Industrial water supply,
• Pumping water from deep wells, tanks, and cisterns.

Constructed from high-quality stainless steel (pump casing and impeller material: stainless steel 304 – 1.4301), it offers excellent corrosion resistance and long service life. The IP68 protection rating ensures complete watertightness and full submersible operation.

Performance and Operating Parameters

The Wilo-Sub TWI 5-904DM pump delivers a maximum flow rate of 16.07 m³/h and a maximum head of 46.73 meters. The 1.5 kW motor draws 3.2 A at a supply voltage of 400 V and frequency of 50 Hz. Designed for continuous operation, it can handle up to 40 operating cycles per hour. The 1¼-inch (32 mm) outlet connection with internal BSPT-Rc thread simplifies installation into existing systems. The maximum sand content in the pumped water may reach up to 50 g/m³, making it suitable even for water sources of lower quality. The maximum operating pressure is 10 bar, ensuring safe usage.