Bradford Breakers
Bradford Breakers by Pennsylvania Crusher Brand are renowned since 1905 for their precision, rugged design, and dependability in crushing, sizing, and cleaning run-of-mine coal and other friable materials worldwide. These breakers offer simultaneous sizing and cleaning, with sized coal exiting quickly through screen plate holes while unsized coal continues through the crushing chamber.
Their gravity impact mechanism minimizes fines production, while internal deflectors ensure efficient material flow for cleaning. With maximum cylinder strength and rigidity, low maintenance requirements, and comprehensive support services including installation supervision and parts supply, Bradford Breakers deliver reliable operation and long-term value.
Mining Operations (Coal)
Power Generation
Steel Production
Simultaneous Sizing and Cleaning: The Bradford Breakers perform sizing and cleaning of run-of-mine coal and other materials simultaneously.
Low Maintenance Costs: Maintenance requirements are minimal, primarily needing periodic lubrication and inspection, leading to low operational costs.
Rugged Design: The breakers have a robust design that minimizes downtime, eliminating the need for backup machines.
Reliability: Bradford Breakers have been widely used for decades and are known for their reliable performance in mines and coal preparation plants.
Comprehensive Support Services: Pennsylvania Crusher offers installation supervision, training, responsive parts, and service support, ensuring continuous operation and minimal downtime.
Design Advantages: The breakers feature maximum cylinder strength and rigidity, T-beams for rigidity and corrosion resistance, and precise fabrication of screen plates for easy maintenance and retrofitting.
Efficient Cleaning Mechanism: Internal deflectors and lifting shelves induce material flow for efficient cleaning, minimizing the production of fines.
Self-Cleaning Sizing Holes: The breakers offer several shapes of sizing holes, including a self-cleaning design that reduces plugging issues.
General Information
Spiders: ASTM A36 Fabricated Steel Plate
Longitudinal Beams: ASTM A36 Structure Steel Beam
Screen Plates: AISI 1040 Hot rolled Carbon Manganese Steel
Lifting Shelves: ASTM A36 Fabricated Steel Plate
Deflectors: ASTM A36 Fabricated Steel Plate
Refuse Plow: ASTM A36 Fabricated Steel Plate
Cylinder Tires: ASTM A551 Class DHT Heat Treated Steel
Wheel: ASTM A504 Class C Heat Treated Steel
Wheel Shaft Bearing Standard Lubrication is grease
B10 Bearing Life: > 100,000 hours
Bradford Breaker RMD 9 x 12 Specifications
Effective Diameter: 8’ – 6″ (2591 mm)
Effective Screen Plates Length: 12’ – 0” (3658 mm)
Cylinder Speed: 13 RPM (Nominal)
Maximum HP/RPM: 40 HP/1800 RPM
Bradford Breaker RMD 9 x 16 Specifications
Effective Diameter: 8’ – 6″ (2591 mm)
Effective Screen Plates Length: 16’ – 0” (4877 mm)
Cylinder Speed: 13 RPM (Nominal)
Maximum HP/RPM: 50 HP/1800 RPM
Bradford Breaker RMD 9 x 20 Specifications
Effective Diameter: 8’ – 6″ (2591 mm)
Effective Screen Plates Length: 20’ – 0” (6096 mm)
Cylinder Speed: 13 RPM (Nominal)
Maximum HP/RPM: 60 HP/1800 RPM
Bradford Breaker RMD 9 x 24 Specifications
Effective Diameter: 8’ – 6″ (2591 mm)
Effective Screen Plates Length: 24’ – 0” (7315 mm)
Cylinder Speed: 13 RPM (Nominal)
Maximum HP/RPM: 75 HP/1800 RPM
Bradford Breaker RMD 12 x 16 Specifications
Effective Diameter: 10’ – 10″ (3302 mm)
Effective Screen Plates Length: 16’ – 0” (4877 mm)
Cylinder Speed: 11 RPM (Nominal)
Maximum HP/RPM: 75 HP/1800 RPM
Bradford Breaker RMD 12 x 20 Specifications
Effective Diameter: 10’ – 10″ (3302 mm)
Effective Screen Plates Length: 20’ – 0” (6096 mm)
Cylinder Speed: 11 RPM (Nominal)
Maximum HP/RPM: 100 HP/1800 RPM
Bradford Breaker RMD 12 x 24 Specifications
Effective Diameter: 10’ – 10″ (3302 mm)
Effective Screen Plates Length: 24’ – 0” (7315 mm)
Cylinder Speed: 11 RPM (Nominal)
Maximum HP/RPM: 125 HP/1800 RPM
Bradford Breaker RMD 12 x 28 Specifications
Effective Diameter: 10’ – 10″ (3302 mm)
Effective Screen Plates Length: 28’ – 0” (8534 mm)
Cylinder Speed: 11 RPM (Nominal)
Maximum HP/RPM: 150 HP/1800 RPM
Bradford Breaker RMD 14 x 20 Specifications
Effective Diameter: 13’ – 1 ½” (4001 mm)
Effective Screen Plates Length: 20’ – 0” (6096 mm)
Cylinder Speed: 10 RPM (Nominal)
Maximum HP/RPM: 150 HP/1800 RPM
Bradford Breaker RMD 14 x 24 Specifications
Effective Diameter: 13’ – 1 ½” (4001 mm)
Effective Screen Plates Length: 24’ – 0” (7315 mm)
Cylinder Speed: 10 RPM (Nominal)
Maximum HP/RPM: 200 HP/1800 RPM
Bradford Breaker RMD 14 x 28 Specifications
Effective Diameter: 13’ – 1 ½” (4001 mm)
Effective Screen Plates Length: 28’ – 0” (8534 mm)
Cylinder Speed: 10 RPM (Nominal)
Maximum HP/RPM: 250 HP/1800 RPM
Bradford Breaker RMD 14 x 32 Specifications
Effective Diameter: 13’ – 1 ½” (4001 mm)
Effective Screen Plates Length: 32’ – 0” (9754 mm)
Cylinder Speed: 10 RPM (Nominal)
Maximum HP/RPM: 250 HP/1800 RPM
Frozen Coal Cracker
The Frozen Coal Cracker offers a solution to unloading challenges in rotary car dump operations, where large frozen lumps can lead to serious jams and damage. This innovative system quickly reduces frozen coal chunks, facilitating faster unloading, minimizing damage, and reducing downtime and labor requirements.
Its low-profile design and wide feed opening ensure efficient operation, quicker unloading, reduced demurrage charges, elimination of damage and jams, and simplified changeovers between warm and cold weather operations. Equipped with a spring-loaded toggle mechanism for damage protection, this solution ensures smooth operation even in challenging conditions, making it indispensable for coal handling in cold weather areas worldwide.
Mining Operations (Coal)
Power Generation
Steel Production
Features:
Quick Size Reduction for Frozen Coal Chunks
Low Profile Design fits under Rotary Car Dump Stations or Reclaim Hoppers
Wide Feed Opening Prevents Jam-ups
Complete Reduction to Minus 6″ to 8″ Output Size
Spring-Loaded Toggle Mechanism for Damage Protection
External Adjustability for Product Size Control and Wear Compensation
Flexibility in Positioning with Separate Drive Assembly
Slip Type Coupling for Motor Protection
Benefits:
Faster Unloading Reduces Demurrage Charges
Damage Elimination Improves Operational Efficiency
Jam Prevention Ensures Smoother Operation
Reduced Equipment Costs and Maintenance
Decreased Downtime Enhances Productivity
Labor Savings Optimizes Manpower Resources
Simplified Changeovers Enhance Operational Efficiency
Global Applicability in Cold Weather Areas
General Information
There are two models available: FCC and FCCR.
Capacities shown are based on reducing precrushed coal weighing 50 lbs./cu. ft. (801 kg/cu. m.) that has frozen into agglomerated clumps to a nominal 6″ (152 mm) output size. For other output sizes, consult us for capacity information.
30″ x 40″
Capacity: 625 TPH
HP: 60
30″ x 50″
Capacity: 750 TPH
HP: 75
30″ x 60″
Capacity: 1000 TPH
HP: 100
30″ x 72″
Capacity: 1250 TPH
HP: 125
30″ x 84″
Capacity: 1500 TPH
HP: 150
30″ x 100″
Capacity: 1800 TPH
HP: 150
30″ x 120″
Capacity: 2100 TPH
HP: 200
Mountaineer® II Sizers
Mountaineer® II Sizers are designed for primary or secondary sizing of coals, industrial minerals, and ores while minimizing fines. These robust Sizers feature a modular design with off-the-shelf standard parts and a separate link gear box for enhanced performance and easy maintenance.
They come with advanced tramp metal protection, optional torque limiters, and electronic torque limiting devices. The Sizers are built for quick component changeout, reducing downtime and maintenance costs. With a focus on durability and reliability, they offer high-capacity operation with low headroom and structural requirements. From rapid rotor replacement to efficient crushing teeth replacement, these Sizers ensure optimal results for critical sizing tasks.
Cement Production
Mining Operations
(Aggregate, Sand & Gravel, Coal, Potash, and Other Minerals)
Recycling Operations
Steel Production
Features:
Modular Design with Uni-frame Construction
Off-the-shelf Standard Parts
Separate Link Gear Box (LGB)
Tougher Design with More Tramp Metal Protection Technology
Optional Torque Limiters and Electronic Torque Limiting Devices
Quick Changeout of Components with Modular Construction
Independent Link Gear Box (LGB) for increased durability
Crushing Teeth easily replaced in under one hour
Benefits:
Increased uptime and minimized maintenance costs with quick component changeout
Rapid replacement of components, aligning, and back in production in 8 hours or less
Simplified design eliminates the need for special maintenance skills
Reduced repair time with easily changeable Independent Link Gear Box (LGB)
Factory warranty rebuild exchange program for LGB and rotors, ensuring support and reliability
Quick and easy replacement of crushing teeth, minimizing downtime
Enhanced durability and reliability, minimizing downtime for repairs
Protection against tramp metal, prolonging equipment lifespan
Versatile torque limiting options for operational flexibility
General Information
Frame: ASTM A36 Fabricated Steel Plate
Frame Liners: AISI 1040/1045 Hot rolled Carbon Manganese Steel
Breaker Plates: AISI 1040/1045 Hot rolled Carbon-Manganese Steel or AR400F Fabricated Steel
Rotor Teeth: High Silicon Alloy Cast Steel
Rotor Hub: ASTM A36 Fabricated Steel Plate
Rotor Shaft: ASTM A668 Class K (AISI 4340) Forged Heat Treated Steel
Bearings: Self Aligning Spherical Roller, Cylindrical Bore Bearings
Bearing Housings: A36 Carbon Steel, Tubular, Capped with Labyrinth Seals
Standard Lubrication is grease
B10 Drive Rotor Life: 60,000 hours
Drive Base: Structural Wide Flange
SR 5025 Sizer Specification
Hopper Opening: 75″ x 47″ (1905 mm x 1194 mm)
SR 5030 Sizer Specification
Hopper Opening: 90″ x 47″ (2286 mm x 1194 mm)
SR 6520 Sizer Specification
Hopper Opening: 80″ x 64″ (2032 mm x 1626 mm)
SR 6530 Sizer Specification
Hopper Opening: 120″ x 64″ (3048 mm x 1626 mm)
SR 8020 Sizer Specification
Hopper Opening: 90″ x 71″ (2286 mm x 1803 mm)
SR 8030 Sizer Specification
Hopper Opening: 135″ x 71″ (3429 mm x 1803 mm)
SR 10020 Sizer Specification
Hopper Opening: 90″ x 91 ½” (2286 mm x 2324 mm)
SR 10030 Sizer Specification
Hopper Opening: 135″ x 91 ½” (3429 mm x 2324 mm)
Bradford Breakers Wheel Mount
Frozen Coal Cracker Installation
