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57 - Wastewater handling with the UNILIFT range

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Correct
Q: What is the recommended free passage for municipal sewage applications?
A: Minimum 80 mm
Correct
Q: What is free passage and why is it important?
A: Free passage describes the particle or solids size that can pass freely through the pump hydraulics and is important to avoid clogging in the pump
Correct
Q: What is the recommended upper limit for particle size when using semi-open impellers?
A: Up to 12 mm
Correct
Q: What is greywater?
A: Untreated wastewater from wash basins, showers, floor drains and appliances containing fibres and solids no larger than 10 or 35 mm