Glossary
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Ama-Drainer 4../5..
Glossary
Backflow
Waste water flowing back from the sewer into the
connected drainage piping
Certificate of decontamination
A certificate of decontamination is enclosed by the
customer when returning the product to the
manufacturer to certify that the product has been
properly drained to eliminate any environmental
and health hazards arising from components in
contact with the fluid handled.
Close-coupled design
Motor directly fitted to the pump via a flange or a
drive lantern
Discharge line
Pipe for transporting waste water to a level above
the flood level into the sewer system
DOL starting
For low power ratings (usually up to 4 kW), the
three-phase motor is connected directly to the
mains voltage.
EN 12050-2
European Standard for waste water lifting units
which are used to dispose of faeces-free waste
water occurring below the flood level of buildings
and sites. It defines general requirements as well
as principles of construction and testing.
Flood level
Maximum backflow level of waste water in a
drainage system
Hydraulic system
The part of the pump in which the kinetic energy
is converted into pressure energy
Pump
Machine without drive, additional components or
accessories
Pump set
Complete pump set consisting of pump, drive,
additional components and accessories
Submersible motor pump
Submersible motor pumps are floodable, close-
coupled units which are not self-priming. The
pumps are usually operated completely
submerged. They may be operated outside the
fluid for short periods of time, until the minimum
fluid level has been reached.
Waste water
Water consisting of a combination of water
discharged from households, industrial and other
businesses as well as surface water.
Summary of Contents for Ama-Drainer 4 Series
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