Submersible pump PRA 22K
Features:
- Single- to multi-stage centrifugal pump
- Suitable for pumping slightly contaminated media
- Suitable for vertical installation in the container
- Pressure connection above the cover plate of the container
- Pressure connection is designed with internal thread G¾, dimensions according to DIN12157
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Mechanical design
- Pump nozzle: PPU
- Pump shaft: 1.4122
- Impeller: PPU
- Intermediate chamber: PPU (PRA 22, 27: LCP)
- Pump base: PPU (PRA 22, 27: LCP)
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Variants
- Sieve filter: stainless steel 1.4301
- Extension tube: PP
- Stirring paddle: plastic
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The Spandau pumps of the PRA 22K series are suitable for operation at 50 and 60 Hz.
Technical data at 50 Hz
- Flow rate: 90 l/min
- Delivery head: max. 23 m
- Diving depth: max. 320 mm
- Kinematic viscosity: max. 20 mm²/s
- Temperature range: 5°C to 60°C
- Grain size: max. Ø 0.3 mm
- Dirt content: max. 50 g/m³
- Direction of rotation (view of the motor fan): counterclockwise
- Media: Emulsions, cooling and cutting oils, cleaning fluids, water and mild acids
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Technical data at 60 Hz
- Flow rate: 90 l/min
- Delivery head: max. 30 m
- Diving depth: max. 320 mm
- Kinematic viscosity: max. 20 mm²/s
- Temperature range: 5°C to 60°C
- Grain size: max. Ø 3 mm
- Dirt content: max. 50 g/m³
- Direction of rotation (view of the motor fan): counterclockwise
- Media: Emulsions, cooling and cutting oils, cleaning fluids, water and mild acids
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