Discharge and suction bodies, motor support and diffuser bodies in cast iron treated against corrosion. Technopolymer impellers and diffusers for KV32. Bronze impellers and cast iron diffusers for KV40 and KV50. Stainless steel shaft with sliding bush. Self lubricated bronze sliding bush guide. Carbon/tungsten carbide mechanical seal. Driving shaft - pump shaft coupling with a rigid fitting. Asynchronous, two- and four-poles motor closed and cooled by external ventilation. The user must provide overload protection. Supplied with threaded counter flanges as a standard feature.
Protection level: IP 55
Insulation class: F
Operating range: from 4 to 45 m3/h with head up to 265,5 metres.
Liquid temperature range: from -15°C to +110°C
Pumped liquid characteristics: clean, free from solids or abrasive substances, not viscous, not aggressive, not crystallised and chemically neutral.
Maximum ambient temperature: +40°C
Maximum working pressure: 25 bar (2500 kPa) for KV32 - KV 40, 30 bar (3000 kPa) for KV50
Installation: permanent in a vertical position.