S4 16/29 T 4OL 4" submersible pump for boreholes and wells - 5,5kW - 3x400V DAB.S4 OL

Submersible centrifugal pumps for wells and boreholes larger than 4" diameter. The pumps are used for pumping water, pressurizing and supplying water to the distribution systems of small and large buildings, civil and industrial, as well as for irrigation, washing and fire protection systems. Technopolymer impellers with stainless steel suction rings Pump casing, shaft, motor coupling, integrated suction filter and cable cover stainless steel Suction body, Discharge body and hanging lugs in AISI 304 microalloyed stainless steel Removable integrated check valve in technopolymer stainless steel (depending on model) Technopolymer impellers designed to ensure a high level of efficiency in accordance with Directive 2009/125/EC (Eco design - ErP) with MEI index >0.4 for the entire range.They are ACS certified, WRAS certified.

The 4OL motor is a two-pole asynchronous motor whose parts in contact with water are made of AISI 304L stainless steel. The cooling and lubrication of the ball bearings is provided by a special food-grade fluid. The reversible stator is housed in an AISI 304L stainless steel housing attached by steel pins to the upper motor support. Equipped with a carbon-ceramic mechanical seal.

• Operating range: up to 21.6 m3/hour displacement up to 427 meters
• Maximum pump diameter: 99 mm
• Maximum amount of tape: 150 g/m3
• Dispensing throat diameter: S4-1, S4-2, S4-3, S4-4, S4-6: 11/4"; S4-8, S4-12, S4-16: 2"
Impeller material: technoplymer
• Fluid Temperature Range: 0°C to +40°C
• Maximum draft: 4OL: 250 m
• Maximum number of starts: 20/h
• Class of protection: IP68
• Insulation Class: F
• Single phase voltage: 1x230 V 50 Hz
• Three-phase voltage: 3x230 V 50 Hz - 3x400 V 50 Hz
• Installation: in vertical position.
Horizontal installation is possible, it is recommended to install a cooling jacket.