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www.bendix.com 1-800-AIR-BRAKE (1-800-247-2725)
EverFlow
™
Module
The EverFlow
™
air dryer module is used for air dryer
systems where a vehicle needs a continuous flow of
air, such as for bulk unloaders and central tire inflation.
As stated earlier, air dryers need to go through a purge
cycle periodically to refresh the moisture-removing
desiccant material. EverFlow
™
air dryer modules have
two air dryers plumbed in parallel that take turns
supplying air, resulting in a continuous, uninterrupted
supply.
System-Guard
®
Trailer Air Dryer
The System-Guard
®
trailer air dryer removes moisture
and contaminates from the trailer air system. It is
designed to protect the trailer air brake system when,
for short periods of time, the trailer is pulled by vehicles
without an air dryer or during times when the trailer is
disconnected from the tractor. It does not take the
PuraGuard
®
Filters
The PuraGuard
®
QC
™
oil coalescing filter (and its
predecessor PuraGuard
®
system filter) are for high air
use vehicles such as transit buses and refuse trucks.
Installed downstream of the air dryer, these filters use
a replaceable filter element mounted within a sump
housing to remove oil aerosols before they can enter
the air system. A drain valve allows periodic
maintenance.
Cyclone DuraDrain
™
Trailer Water Separator
The Cyclone DuraDrain
™
trailer water separator is
installed in the trailer control and/or supply lines near
the gladhands. It self-purges liquid contaminates,
contains solid contaminants and improves the life of
the trailer system components.
AF-3
™
In-line Air Filter
The AF-3
™
in-line air filter screens out foreign material
from trailer air lines.
Air Dryers and Filters
The AD-SP
™
air dryer uses a small amount of air
from the supply and front axle (secondary) reservoirs
to perform the purge function. Because of this
difference, the AD-SP
™
air dryer is smaller and lighter
than air dryers that have their purge volume within the
dryer canister. An SC-PR
™
Single Check
Protection Valve is used in conjunction with the
AD-SP
™
air dryer. The SC-PR
™
single check protection
valve is a combination of two separate devices, a single
check valve and a pressure protection valve that allows
limited flow in the opposite direction. It serves as a
means of protecting the air pressure in the front axle
service reservoir, since it will only allow its air supply
to be used to help purge the AD-SP
™
air dryer if the
pressure is above a certain preset level.
AD-SP
™
Air
Dryer
(installation
uses SC-PR
™
valve)
SC-PR
™
Valve
EverFlow
™
Module
place of a dryer normally located on the power unit,
but acts as a buffer to remove moisture during wet
times and gives up moisture during dry times.
PuraGuard
®
system filter
(obsolete)
PuraGuard
®
QC
™
oil
coalescing
filter
System-Guard
®
Trailer
Air Dryer
Cyclone
DuraDrain
™
Trailer Water
Separator
AF-3
™
In-line Air Filter
System-Guard
®
Trailer Air
Dryer
Trailer Products
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