Engineering and Testing
Certified for Safety.
Engineered for Performance.
At BobbyJack Pipelifts, safety and reliability are at the heart of everything we design. That’s why the BobbyJack device has undergone rigorous engineering analysis and testing to ensure it meets and exceeds industry standards for performance and durability.

Stress and Deflection Analyses.
The Bobby Jack has been subjected to comprehensive stress and deflection analyses, verified by a licensed professional engineer. Using ASTM A516-70 high-strength steel, the device is built to handle the toughest industrial lifting challenges with confidence.
Key Testing Highlights.
Maximum Load Capacity
Tested to safely lift loads up to 12,000 lbs.
Safety Factors
- 11.3x over failure.
- 6.1x over tensile strength.
Material
Constructed with ASTM A516-70 low carbon steel, known for its exceptional strength and reliability in industrial applications.
Design Validation
All critical components, including support arms and lifting extensions, were analyzed for stress and deflection, ensuring performance within the elastic range of the material.