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827827 S-450A 1.125" Bore, Ultra L
Unit of Measure

Specifications

Supplier Name

N/A Nexen

Manufacturer Part Number

N/A 827827

Model Number

N/A S-450A

Approximate Brake Facing Life

N/A 460 hp·hr

Bore Size

N/A 1.1250 in

Bore Style

N/A Bore to Size - with Straight Bushing Option

Bore Type

N/A Straight

Brake Air Chamber Volume when New

N/A 0.629 in³

Brake Air Chamber Volume when Worn Out

N/A 1.422 in³

Brake Facing Edge Color Code

N/A Green

Brake Facing Effective Area

N/A 11.9 in²

Brake Facing Type

N/A Low Coefficient

Brake Heat Sink Capacity

N/A 52729 ft·lb

Brake Peak Thermal Input Rate

N/A 11.00 hp

Brake Response Factor

N/A 0.090

Brake Series

N/A S-450A

Bushing Type

N/A Straight Bushed

Bushing Range

N/A 0.0000 to 1.0000 in

Control Accessories

N/A 854000 (Single Stage Control Panel) 939101 (Control Filter) 940001 (Regulator) 944901 (3 Way Valve)

Controllers

N/A 912123 912145 964260 964354 964356 964520 964522 964531 964535

Engagement

N/A Air Engaged

Release

N/A Spring Release

Facing Kit

N/A 818972

Finish

N/A Black Oxide

Function

N/A Tensioning

Guards

N/A 817700

Maximum Speed

N/A 1800 rpm

Maximum Brake Continuous Thermal Dissipation

N/A 1.90 hp

Maximum Dynamic Torque Capacity

N/A 150 in·lb

Maximum Pressure

N/A 80 psi

Minimum Engagement Pressure

N/A 3 psi

Mounting Configuration

N/A Shaft Mounted

Open or Enclosed Design

N/A Open

Optional Bushings

N/A 819200 (0.7500 in.) 819300 (0.8750 in.) 819400 (1.0000 in.) 820000 (Blank Bore)

Overall Diameter

N/A 5.94 in

Overall Length

N/A 2.5100 in

Port Size

N/A 1/4 in

Port Type

N/A National Pipe Thread (NPT)

Rating

N/A European Conformity (CE) Restriction of Hazardous Substances (RoHS)

Rebuild Kits

N/A 818910

Shaft Inertia

N/A 4.74 lb/in²

Torque Pin Bracket

N/A 819900

Weight

N/A 9 lb

Features & Benefits

Features & Benefits

N/A
  • High thermal output and torque ratings of the advanced series make these units ideal for demanding tension operations
  • Full range of sizes to meet all unique specification requirements
  • Advanced series offers both straight bore hubs or tapered bores for Quick-Detach (QD) bushing mounting
  • Models are available with standard, low coefficient (Loco) or ultra Loco friction facings to meet all torque requirements

General Information

General Information

N/A Low Cost Air Cooled Brake, for narrow range tension control applications. 1.1250" shaft is standard but optional straight bushings are available if needed that allow for easy conversion to smaller shaft sizes.