Stanley Hydraulics Underwater Hydraulic Breaker - BR45350
The BR45350 is the smallest breaker in the Stanley Hydraulic Tool lineup of underwater breakers. The BR45 is a rugged, powerful and lightweight breaker in the 40-55 lb class used for light to medium concrete, rock and coral breaking and removal. The feathering on/off valve controls speed and allows easier initial tool placement. The BR45 has a standard 1” hex chuck and latch retainer. The BR45 is painted in hi-visibility yellow.
Specifications
Performance: 1525 BPM @ 8 GPM
Steel Capacity: 1” x 4 1/4” Hex
Handle Type: T-Handle
Circuit Type: Open Center
Flow Range: 7-9 GPM / 26-34 LPM
Optimum Flow: 8 GPM / 30 LPM
Working Pressure: 1500-2000 PSI / 105-140 BAR
Full Relief Setting: 2250 PSI / 155 BAR
Weight: 43 LBS / 19.5 KG
Length: 25” / 63.4 cm
Width (at handles): 14” / 35 cm
Hydraulic Ports: -8 SAE O-Ring
Comes With Whips :Yes
Comes With Couplers: No
Manual
Download the BR45 Spec Sheet!
What Our Experts Think
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Heavy-Duty Breaking Power: Delivers 1,250 blows per minute (BPM) for efficiently breaking concrete, rock, and other tough materials underwater.
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Durable & Corrosion-Resistant: Built with marine-grade materials to withstand harsh underwater environments.
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Hydraulic Efficiency: Provides consistent and powerful impact without the limitations of pneumatic or electric breakers.
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Ergonomic & Low Vibration: Designed for better control and reduced diver fatigue during extended use.
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Versatile Applications: Ideal for underwater construction, demolition, and industrial maintenance projects.
Q&A
Q: What is the Stanley BR45350 Underwater Hydraulic Breaker?
A: The BR45350 is a compact and powerful underwater hydraulic breaker designed for breaking concrete, rock, and other tough materials in marine construction and diving applications.
Q: What impact force does it deliver?
A: It provides high-impact energy for efficient underwater demolition and structural removal.
Q: What hydraulic flow rate does it require?
A: It operates at 4-9 GPM for optimal breaking performance.
Q: What makes it ideal for underwater use?
A: It features a corrosion-resistant design, a durable impact mechanism, and an ergonomic handle for diver comfort and control.
Q: What industries use the BR45350?
A: It is widely used in underwater construction, offshore maintenance, marine salvage, and underwater demolition projects.
Maintenance Tips
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Pre-Use Inspection – Check hoses, fittings, and seals for leaks or wear.
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Flush After Use – Rinse with fresh water to remove salt, silt, and debris.
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Hydraulic Fluid Maintenance – Use recommended oil; monitor levels and check for contamination.
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Tool Bit Care – Clean and lubricate tool bits regularly to prevent wear and ensure performance.
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Seal & O-Ring Replacement – Inspect and replace worn components to prevent hydraulic leaks.
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Hose & Connection Checks – Ensure secure and undamaged hydraulic connections.
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Proper Storage – Store in a dry, ventilated area away from extreme temperatures.
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Follow Manufacturer Service Guidelines – Regular maintenance ensures peak performance and longevity.
