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837500 SPC Brake Air Actuator
Unit of Measure

Specifications

Supplier Name

N/A Nexen

Manufacturer Part Number

N/A 837500

Approximate Brake Facing Life

N/A 1238 hp·hr

Brake Air Chamber Volume when New

N/A 2.573 in³

Brake Air Chamber Volume when Worn Out

N/A 16.047 in³

Brake Facing Edge Color Code

N/A Red

Brake Facing Effective Area

N/A 31.0 in²

Brake Facing Thickness when Worn Out

N/A 0.16 in

Brake Facing Type

N/A Standard Coefficient

Brake Peak Thermal Input Rate

N/A 77.00 hp

Brake Response Factor

N/A 0.159

Brake Series

N/A Single Post Caliper

Disc Thickness

N/A 0.50 in

Disc Working Radius

N/A WR=D/2-1.437 in. for 12.000 in. or Larger Discs

Engagement

N/A Air Engaged

Release

N/A Spring Release

Finish

N/A Black Oxide

Function

N/A Stopping, Holding, and Tensioning

Maximum Pressure

N/A 80 psi

Maximum Static Brake Torque with a 24.000 Inch (in) Disc

N/A 50000 in·lb

Minimum Engagement Pressure

N/A 10 psi

Mounting Configuration

N/A Foot Mounted

Open or Enclosed Design

N/A Open

Port Size

N/A 3/8 in

Port Type

N/A National Pipe Thread (NPT)

Rating

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

Recommended Control

N/A 940011 (3-Way Normally Open (N.O.)) 940012 (3-Way Normally Closed (N.C.)) 940017 (3-Way Normally Closed (N.C.) 0 to 100 psi) 940021 (3-Way 5 to 100 psi)

Static Torque Capacity

N/A Up to 50,000 lb·ft

Static Torque Factor (Broken-In) at 80 Pound per Square Inch (psi) - SPC 8

N/A 1900 lb·ft

Static Torque Factor (Broken-In) at 80 Pound per Square Inch (psi) - SPC12

N/A 2800 lb·ft

Static Torque Factor (Broken-In) at 80 Pound per Square Inch (psi) - SPC20

N/A 4700 lb·ft

Weight

N/A 6.00 lb

Disc Speed with 14 Inch (in) Disc

N/A Up to 2800 rpm

Features & Benefits

Features & Benefits

N/A
  • Brake actuator is moveable to permit a change in mechanical advantage, which varies the torque range
  • All models may be quickly and easily converted from one actuating system to another
  • Arced brake shoes with quick removable pin mounting
  • Pedestal style base is easily mounted in a small area
  • Optional discs available from 16 to 24 inch diameter
  • Disc speeds up to 2800 rpm with 16 inch disc
  • Quick-Detach (QD) Bushing compatible for shaft sizes up to 3.875 inches

General Information

General Information

N/A This is the actuator only.