Glossary
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Evamatic-Box N
Glossary
Backflow loop
The section of the discharge pipe of a waste water
lifting unit that is located above the flood level
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.
Check valve
Element of a waste water lifting unit which
prevents waste water from flowing back from the
discharge line into the lifting unit.
Domestic waste water
Faecal-free waste water (grey water) from
washbasins, showers, washing machines, etc.
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
Inlet line
Pipe used for draining waste water from sanitary
installations into the lifting unit
Stormwater
Water from natural precipitation which has not
been contaminated by any form of use
Waste water
Water which has been changed by some type of
use, e.g. domestic waste water
