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Left -
The water trap without
the spring. Notice openings
in the side wall of
center hole. These lead
into the plenum with
add valves (on the right).
Right -
Plenum with one way
valve to exhale counter-lung
in the center and two
holes leading to the
main counter-lung Two
add valves (standard
second stage mechanics)
are connected to the
ports with blue caps.
The water trap - plenum
assembly is cleverly
designed to route both
the condensate from
the scrubber and any
water that would enter
through the exhale hose
into a one-way valve
in the center and through
it into the exhale CL
from which it is expelled
from the breathing loop
on the next inhale. |