BTBA Series Multi-Caliper Tension Control Brake

Nexen Group, Inc.

927523

BTBA Series Multi-Caliper Tension Control Brake

Item #103754119

1 1/4" Bore
2,500 rpm Max
Enclosed
85.0 psi Max Operating Pressure
7.50 kW Max Thermal Dissipation

4 mm [5/32 in.] Nylon Hose

Air Actuation/No Return Tension Control Brake

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Product Details

1 1/4" Bore
2,500 rpm Max
Enclosed
85.0 psi Max Operating Pressure
7.50 kW Max Thermal Dissipation

applications

Web control applications, including corrugating, labeling, and printing
Intended for mounting on shaftless unwind stands and other shaft-end applications

features

Offers a finned rotor with an integral fan for maximum heat dissipation
Low rotating inertia ensures proper tensioning regardless of roll size – even at core
Long-life friction facings to limit replacement costs
Quick-change feature on each facing shoe reduces downtime and maintenance expense
Comes fully assembled
Has a straight bore for fast and easy installation

Specifications

Brake Facing Edge Color Code	Red
Operating Pressure [Max]	85 psi
Model	BTBA-12
Maximum Dynamic Torque With All Calipers	587.6 N-m
Technical Data Sheet	21181
Family Name	BTBA
Bore Range [Min]	1.25 in
Bore Range [Max]	N/A
Bore Style	Finished Bore
Dynamic Torque Per Opposing Caliper Pair @ 0#2 bar (3 psi)	49 in lb
Photo	BTBA
Actuation/Return	Air/None
Maximum Brake Continuous Thermal Dissipation	7.5 kW
Manufacturer Family	BTBA-12 Tension Control Brake, Clockwise Rotation, 2-pistons, (Standard Facing), BTBA-12 Tension Control Brake, Clockwise Rotation, 4-pistons, (Standard Facing), BTBA-12 Tension Control Brake, Clockwise Rotation, 6-pistons, (Standard Facing), BTBA-12 Tension Control Brake, Clockwise Rotation, 8-pistons, (Standard Facing), BTBA-12 Tension Control Brake, Counter Clockwise Rotation, 2-pistons, (Standard Facing), BTBA-12 Tension Control Brake, Counter Clockwise Rotation, 4-pistons, (Standard Facing), BTBA-12 Tension Control Brake, Counter Clockwise Rotation, 6-pistons, (Standard Facing), BTBA-12 Tension Control Brake, Counter Clockwise Rotation, 8-pistons, (Standard Facing)
Rotor Diameter	12 in
Controller	912123, 912145, 964260, 964350, 964354, 964520, 964522, 964531, 964535
Overall Length	8.68 in
Brake Facing Type	Standard Coefficient
Finish	Machined/Bare Aluminum
Product Category	Multi-Caliper Tension Control Brakes
Dynamic Torque Per Opposing Caliper Pair @ 5#5 bar (80 psi)	1300 in lb
Main Category	Tension Control Brakes
Approximate Brake Facing Life	656 hp-hr
Port or Hose Size	4 mm [5/32 in.] Nylon Hose
Bushing Type	Finished Bore
Fan Voltage	120 VAC @ 60 Hz
Other Accessories	927523
Rotation	Bidirectional
Outside Dia.	12.89 in
Bushing Series	SF
Operating Pressure [Min]	1 psi
Open Or Enclosed Design	Enclosed
Weight	68.0 LB
EAN or UPC	662284260282