Scum pipes/canoes or skimming pipes are made of stainless steel are made in stainless steel AISI 304 or AISI 316. The tipping manoeuvre is done either manually by a handle or electrically with a geared motor. The closed short end of the pipes has a polyethylene bearing. The flow trough end has a flange of polyethylene and is sealed with a V-shaped rubber gasket.
Scum pipes are used for transporting surface sludge away from sedimentation tanks.