centrifugal pump dab NKVE 1-3-6-10-15-20
centrifugal pump dab NKVE 1-3-6-10-15-20Vertical multistage centrifugal pumps of this series are designed for water supply and pressure boosting systems. The presence of the MCE/P inverter provides high operational flexibility, allowing the pump to automatically adapt to various system requirements and maintain constant pressure in it.
TECHNICAL CHARACTERISTICS
- Protection degree: IP 55.
- Insulation class: F.
- Supply voltage: 1 x 220-240 V/50/60 Hz;
3 x 400 V/50 Hz. - Operating range: flow from 4 to 29 m3/h, pressure up to 244 m.
- Pumped liquid: ;clean, free of solid and abrasive inclusions, non-viscous, non-aggressive, non-crystallized, chemically neutral, with characteristics close to water.
- Liquid temperature range: from-15 to + 120 °C.
- Maximum ambient temperature: +40 °C.
- Maximum operating pressure: 25 Bar (2,500 kPa).
- Installation: vertically, in a fixed position.
DESIGN FEATURES
The hydraulic housing is made of AISI 304 stainless steel, the diffusers are made of ULTEM technopolymer. Impellers made of stainless steel AISI 304 steel. Hydraulic housing with connecting flanges – cast iron with cataphoresis coating; engine mount – cast iron. Mechanical seal – silicon carbide/silicon carbide, cartridge type, maintenance-free. The motor and hydraulic shafts are connected by a rigid coupling.
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