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Dover Flexo Electronics Inc.Rochester, NH
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 Heavy Duty Dual Disk Pneumatic Brakes

Dover pneumatic brakes are an integral part of a high-performance unwind package. All pneumatic brakes feature a limited travel piston that never scratches the disk, ductile iron disk construction, and expanded disk surface for rapid heat dissipation.

Our asbestos-free friction pads are available in several coefficients of friction. No tools are required to change the friction pads, making brake maintenance quick and "hassle free".

Heavy duty pneumatic brake for unwind applications Pneumatic Brakes Capabilities

• Heavy-duty brake for unwind applications
• Wide torque range
• Large heat dissipation capacity
• Hassle-free friction pad removal and installation--no tools required
• Available in six sizes.
• Largest 5 sizes use patented Universal Actuators.
• Limited travel piston prevents disks from scoring.
• Cylinders can be actuated individually.
• Return spring can not puncture diaphragm.
• The actuator is interchangeable with brakes by DFE or Montalvoฎ.
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 UNIVERSAL ACTUATOR

Cost-reducing benefits of a Universal Actuator™ assembly retrofit:

• Proprietary 'quick-change' release locks allow friction pads to be changed out in seconds without tools. Because the machine operator can do this himself, downtime for pad changes by maintenance personnel is eliminated. Actuator bolts never need to be loosened to make pad changes.

• Zero-maintenance piston design. The piston diaphragms are sealed from contact with the actuator spring. This feature, in conjunction with DFE's limited-travel piston, has eliminated the possibility of a blown diaphragm. The limited-travel pistons also prevent disk scoring.

• All DFE products are warranted to be free of defects in material and workmanship for 5 years--the industry's longest warranty.

• Replacing the existing actuator assembly with DFE's user-friendly alternative is more efficient and less expensive than replacing an entire brake. Savings are substantial if upgrading multiple unwinds.
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 60 SERIES

The 60 Series Dual Disk Brake, named for its six inches diameter disks, offers high performance in a torque range from 3 lb-inches up to 1,010 lb inches. The 60 Series Brake delivers the precise torque range needed for a particular application by allocating actuation of just the number of cylinders needed, from one up to six.

Specifications:
• Disk/Hub Inertia: 2.54 Slug-in^2
• Max. Torque: 1,010 in-lbs
• Disk/Hub Weight: 9.1 lbs.
• Max. Ship Wt.: 22.5 lbs.
• Min. Shaft Length: 4.6 in.
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 90 SERIES

The 90 Series Dual Disk Brake, named for its nine inch diameter disks, offers high performance in a torque range from 14 lb-inches up to 3,000 lb inches. The 90 Series Brake delivers the precise torque range needed for a particular application by allocating actuation of just the number of cylinders needed, from one up to four.

Specifications:
• Disk/Hub Inertia: 7.9 Slug-in
• Max. Torque: 3,000 in-lbs.
• Disk/Hub Weight: 28.4 lbs.
• Max. Ship Wt.: 45 lbs.
• Min Shaft Length: 7.1 in.
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 110 SERIES

The 110 Series Dual Disk Brake, named for its eleven inch diameter disks, offers high performance in a torque range from 19 lb-inches up to 6,210 lb inches. The 110 Series Brake delivers the precise torque range needed for a particular application by allocating actuation of just the number of cylinders needed, from one up to six.

Specifications:
• Disk/Hub Inertia: 22.2 Slug-in
• Max. Torque: 6,210 in-lbs.
• Disk/Hub Weight: 54.9 lbs.
• Max. Ship Wt.: 80 lbs.
• Min. Shaft. Length: 7.3 in.
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 130 SERIES

The 130 Series Dual Disk Brake, named for its thirteen inch diameter disks, offers high performance in a torque range from 23 lb-inches up to 9,840 lb inches. The 130 Series Brake delivers the precise torque range needed for a particular application by allocating actuation of just the number of cylinders needed, from one up to eight.

Specifications:
• Disk/Hub Inertia: 56.9 Slug-in
• Max. Torque: 9,840 in-lbs
• Disk/Hub Weight: 94.6 lbs.
• Max. Ship Wt.: 130 lbs. with adapter
• Min. Shaft Length: 7.3 in.
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 1800 SERIES

The 1800 Series Dual Disk Brake, named for its eighteen inch diameter disks, offers high performance in a torque range from 33 Ib-inches up to 17,990 Ib inches. The 1800 Series Brake delivers the precise torque range needed for a particular application by allocating actuation of just the number of cylinders needed, from one up to ten.

Specifications:
Disk/Hub Inertia: 178.9 Slug-in
Max. Torque: 17,990 in-lbs
Disk/Hub Weight: 172.8 lbs.
Max. Ship Wt.: 236 lbs.
Min. Shaft Length: 9.2 in.
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 3000 SERIES

The 3000 Series Dual Disk Brake, named for its thirty inch diameter disks, offers high performance in a torque range from 60 Ib-inches up to 51,030 Ib inches. The 3000 Seroes Brake delivers the precise torque range needed for a particular application by allocating actuation of just the number of cylinders needed, from one up to sixteen.

Specifications:
Disk/Hub Inertia: 3,000 Slug-in
Max. Torque: 51,030 in-lbs
Disk/Hub Weight: 850 lbs.
Max. Ship Wt.: 1,230 lbs.
Min. Shaft Length: 17.0 in.
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