Vented
Filler Caps
Rebling
700247 Vented Filler Caps provide enhanced protection
against leakage of the battery cell's electrolyte
without compromising the automatic venting feature.
These caps are primarily intended for use on aircraft
batteries subjected to high vibration environments,
but can be used interchangeably on any nickel-cadmium
battery cells accepting the Rebling 700240 Vented
Filler Cap.
The reduction of electrolyte
leakage is accomplished by the addition of a V-shaped
baffle extending below the filler cap body into
the battery cell. Both the baffle and cap are
molded from a polyamide material which is resistant
to attack from the electrolyte. The baffle is
sonically welded to the cap body ensuring permanent
attachment. All other features of the Vented Filler
Cap are identical to Rebling's 700240 filler cap,
except for color.
The O-ring and sleeve are molded
from ethylene propylene rubber resulting in superior
chemical resistance and performance stability
over a wider temperature range than conventional
neoprene. The rubber vent sleeves are designed
to open and close between a pressure range of
2-10 psi allowing the internal gases of the battery
cell to vent to the atmosphere.
The Rebling 700247 Vented
Filler Cap conforms to proposed U.S. Government
Specification MS3510-B.
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