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Description . 248
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225DP100 Caliper . 249
200DPA Caliper . 252
HC3 and HD3 . 254
Air Over Hydraulic Intensifier . 257
Airflex® Caliper Disc Brakes
Section H
Airflex® Caliper Description
Section H
Caliper Description
Caliper disc brakes are ideally suited for mostlarge torque, high energy stopping applica-tions. By proper choice of actuating pressure,number of calipers per disc, number of discsand disc diameter a braking system can becustom designed for most applications.19988
The calipers are of the opposed piston design.This design permits fixed mounting of the caliper and the brake disc. Symmetrical split construction of the piston housings permits a
center reaction mounting and the ability to
accommodate brake discs of different thick-
nesses. Friction shoes attach to the caliper
actuating pistons and are replaceable without
disturbing the caliper mounting. Pressurizing
the piston cylinders causes the piston mount-
ed friction shoes to clamp the disc, developing
the braking torque.
Caliper model 225DP100 is designed with self-
adjusting retracting mechanisms which com-
pensates for friction material wear and main-
tains a constant running clearance between the
friction shoes and brake disc. They also main-
tain a constant displacement volume and
hence a constant response time for each brake
engagement.
Model HC-3 and HD-3 calipers are designed
for very heavy duty braking service. The
design automatically compensates for runout
on large diameter brake discs. Because of this
feature, they require manual adjustment to
compensate for friction material wear and to
maintain a constant volume displacement for
actuation. Model HC-3 requires a mounting
between the piston housings. Model HD-3 is
used for side surface mounting.
Low coefficent friction shoes are available
which permits the calipers to be used as
tension brakes.
All three caliper models can be air or hydraulic
actuated. The pressurizing media must be
specified to insure proper piston seal compati-
bility. Two seals are available: one for air and
Features:
Split construct
Accommodate
and diameters
customer requ
Air or hydrauli
The DP and H
either air or hy
existing system
torque capabili
Large piston a
The large pisto
actuating press
Ventilated disc
Ventilated brak
bilities and imp
minimize down
Ease of mainte
Friction pads c
disturbing calip
are visible for e Where used:
• Conveyors
• Flywheel Brakes
• Mining Equipment
• Railroad Maintenance Equipment
• Tension Brakes
Caliper disc brakes are ideally suited for most large torque,
high energy stopping applications. By proper choice of actuat-
ing pressure, number of calipers per disc, number of discs
and disc diameter a braking system can be custom designed
for most applications.
The calipers are of the opposed piston design. This design
permits fixed mounting of the caliper and the brake disc.
Symmetrical split construction of the piston housings permits
a center reaction mounting and the ability to accommodate
brake discs of different thicknesses. Friction shoes attach to
the caliper actuating pistons and are replaceable without dis-
turbing the caliper mounting. Pressurizing the piston cylinders
causes the piston mounted friction shoes to clamp the disc,
developing the braking torque.
Caliper model 225DP100 is designed with self adjusting re-
tracting mechanisms which compensates for friction material
wear and maintains a constant running clearance between