Stanley Hydraulics Underwater Hydraulic Breaker - BR45350

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

• Heavy-Duty Breaking Power: Delivers 1,250 blows per minute (BPM) for efficiently breaking concrete, rock, and other tough materials underwater.
• Durable & Corrosion-Resistant: Built with marine-grade materials to withstand harsh underwater environments.
• Hydraulic Efficiency: Provides consistent and powerful impact without the limitations of pneumatic or electric breakers.
• Ergonomic & Low Vibration: Designed for better control and reduced diver fatigue during extended use.
• 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

• Pre-Use Inspection – Check hoses, fittings, and seals for leaks or wear.
• Flush After Use – Rinse with fresh water to remove salt, silt, and debris.
• Hydraulic Fluid Maintenance – Use recommended oil; monitor levels and check for contamination.
• Tool Bit Care – Clean and lubricate tool bits regularly to prevent wear and ensure performance.
• Seal & O-Ring Replacement – Inspect and replace worn components to prevent hydraulic leaks.
• Hose & Connection Checks – Ensure secure and undamaged hydraulic connections.
• Proper Storage – Store in a dry, ventilated area away from extreme temperatures.
• Follow Manufacturer Service Guidelines – Regular maintenance ensures peak performance and longevity.