Designed
for permanent installation in the basement of buildings.
They were connected to the various floors through a
system of permanent piping concealed within the walls
of the building. At various points on each floor were
connections to which could be attached the cleaning hose.
Design Specifications:
SIZES(7) - C,D (single-sweeper plants), E (two),
F (three), G(four),
H (six), J(10)
Construction Features:
Standard
set-up of dust collector(left), multi-stage impellers in
the middle and direct connected motor at right.
Dust separator consisted of a sheet-metal drum with
an inverted cloth bag.
The only moving part are the fans revolving as
a unit on the shaft.
Many installations used both primary centrifugal and
secondary cloth filter separators.