CS4 series 4" Submersible borehole pump 

Submersible electric pumps for 4” wells or larger, capable of generating a wide range of flows and heads. These units have a very extensive range of applications for lifting, distribution, and pressurization in civil and industrial water systems, filling of pressure vessels and tanks, fire-fighting systems and washing of irrigation systems.

Performance Range

• Long service life
• Operating range: from 0,24 to 6 m3/h.
• Maximum head: up to 230 metres
• Pumped liquid: clean, free of solids and abrasives, non-viscous, nonaggressive, non-crystallized and chemically neutral, with properties similar to water.
• Liquid temperature range: from 0 °C to +40 °C.
• Installation: in 4” wells or larger, tanks and cisterns, vertical position.
• Starts/hour: max 20.
• Cooling flow: 8 cm/s.
• Maximum permitted amount of sand: 120 g/m3.
• Special executions on request: alternative voltages and/or frequencies.
• On request, the single-phase version can be supplied with CONTROL BOX BOOSTER for the increase of the starting torque.

Applications

• Submersible cast iron pump with grinder for lifting water loaded with filamentous matter, paper or textile material, generally for use in domestic or civil sewage waste systems without grids

Construction 

• Multistage centrifugal type with radial impellers
• Technopolymer impellers with stainless steel wearing parts
• Pump liner, shaft and coupling in stainless steel
• Submersible asynchronous two-pole motor with the parts in contact with water made of AISI 304 stainless steel.
• Flanging: NEMA-4”
• Protection class IP 68
• Insulation class: F
• Both single phase and three phase 

Supply

• CS4 submersible electric pumps in the three-phase version are supplied as a pump and motor kit.
• The single-phase version kit includes pump, motor and control box

6 months warranty on hydraulic parts