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Nexen Single Post Caliper Brakes

Nexen 1238 Horsepower·Hour (hp·hr) Approximate Brake Facing Life Single Post Caliper Brake
Nexen 845 Horsepower·Hour (hp·hr) Approximate Brake Facing Life Single Post Caliper Brake (01127200)

Nexen 845 Horsepower·Hour (hp·hr) Approximate Brake Facing Life Single Post Caliper Brake
Description N/A 837500 SPC Brake Air Actuator N/A 837600 SPC Brake Spring Actuator
Supplier Name N/A Nexen
Manufacturer Part Number N/A 837500 N/A 837600
Approximate Brake Facing Life N/A 1238 hp·hr N/A 845 hp·hr
Brake Air Chamber Volume when New N/A 2.573 in³ N/A 41.600 in³
Brake Air Chamber Volume when Worn Out N/A 16.047 in³ N/A 41.600 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 N/A 0.312
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 N/A Spring Engaged
Release N/A Spring Release N/A Air Release
Facing Kit N/A N/A 837471
Finish N/A Black Oxide N/A Bare Aluminum
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 N/A
Minimum Release Pressure N/A N/A 70 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)
Rebuild Kits N/A N/A 837472
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) N/A 940019 (4-Way Normally Closed (N.C.) 50 to 100 psi) 940020 (4-Way Normally Closed (N.C.) 30 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 N/A
Static Torque Factor (Broken-In) at 80 Pound per Square Inch (psi) - SPC12 N/A 2800 lb·ft N/A
Static Torque Factor (Broken-In) at 80 Pound per Square Inch (psi) - SPC20 N/A 4700 lb·ft N/A
Static Torque Factor (Out of Box) at 0 Pound per Square Inch (psi) - SPC8 N/A N/A 1900 lb·ft
Static Torque Factor (Out of Box) at 0 Pound per Square Inch (psi) - SPC12 N/A N/A 2800 lb·ft
Static Torque Factor (Out of Box) at 0 Pound per Square Inch (psi) - SPC20 N/A N/A 4700 lb·ft
Weight N/A 6.00 lb N/A 12 lb
Disc Speed with 14 Inch (in) Disc N/A Up to 2800 rpm
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
 		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
  • Quick-Detach (QD) bushing compatible, for shaft sizes up to 3.875 inches
General Information N/A This is the actuator only. N/A This is the Actuator only. Consult Motion Industries for use in cyclic applications.