lever block 3 ton
Lever Block 3 Ton
Product Overview
The lever block 3 ton is a robust and versatile manual hoist designed for heavy-duty lifting and pulling operations in demanding industrial environments. Engineered with precision, this lever block 3 ton offers a safe working load capacity of 3 metric tons (3000 kg), making it an essential tool for professionals in construction, manufacturing, warehousing, and maintenance sectors. Its compact design allows for easy handling and operation in tight spaces, while the lever mechanism provides smooth, controlled lifts with minimal effort.
Constructed from high-grade alloy steel, the lever block 3 ton undergoes rigorous heat treatment processes to ensure exceptional durability and resistance to wear. Featuring a Weston-style mechanical brake for instant load holding, this hoist prevents unintentional lowering, enhancing operator safety. The lever block 3 ton is ideal for horizontal pulling, vertical lifting, and tensioning applications, supporting chain lengths up to 3 meters standard (customizable upon request). With its low headroom configuration, it maximizes lifting height efficiency, reducing downtime and boosting productivity on job sites worldwide.
Compliant with international standards such as EN 13157 and ASME B30.21, the lever block 3 ton guarantees reliability in diverse conditions, from shipyards to assembly lines. Whether you're rigging heavy machinery or securing loads during transport, this lever block 3 ton delivers consistent performance, backed by overload protection and free chain adjustments for seamless maintenance.
Key Features
- High-Capacity Load Handling: Rated for 3-ton safe working load, suitable for substantial industrial lifts.
- Weston Mechanical Brake: Double pawl and double gear design ensures secure load holding without slippage.
- Compact and Lightweight: Forged upper and lower hooks swivel 360 degrees for flexible positioning in confined areas.
- Overload Protection: Built-in limiter prevents excessive loading, safeguarding equipment and personnel.
- Grade 80 Alloy Chain: Superior tensile strength and corrosion resistance for extended service life.
- Low Effort Operation: Ergonomic lever handle reduces operator fatigue during prolonged use.
- Free Chain Adjustment: Tool-free chain length modification for quick setup adaptations.
- Heat-Treated Components: Gears and sprockets tempered for maximum hardness and impact resistance.
- Safety Latches: Heavy-duty hooks with thrust bearings and safety latches to prevent accidental disengagement.
- Corrosion-Resistant Finish: Powder-coated body withstands harsh environments, including outdoor and marine applications.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | Lever Block 3 Ton (LH-3) |
| Capacity (SWL) | 3 Tons (3000 kg / 6600 lbs) |
| Standard Lift Height | 3 meters (customizable: 1.5m to 12m) |
| Number of Chain Falls | 2 |
| Chain Specification | Ø8.0 mm x 24 links (Grade 80 Alloy Steel) |
| Effort Required on Lever (kg) | 42 kg (full load) |
| Lever Length | 410 mm |
| Headroom H (mm) | 410 mm (hook to hook) |
| Net Weight (kg) | 21 kg (3m lift) |
| Overall Dimensions (mm) | L:420 x W:160 x H:410 |
| Brake Type | Weston Mechanical Load Brake |
| Hook Position | 360° Swivel Upper & Lower Hooks |
| Pull to Lift Full Load (m) | 0.78 m |
| Testing Load | 4.5 Tons (1.5 x SWL) |
| Standards Compliance | EN 13157, ASME B30.21, CE Certified |
| Operating Temperature | -40°C to +100°C |
| Minimum Distance Between Hooks (mm) | 350 mm |
| Eccentricity of Load (mm) | 5 mm max |
Application Scenarios
The lever block 3 ton excels in a wide array of industrial applications where precise, reliable lifting is paramount. In construction sites, it is frequently used for hoisting steel beams, concrete forms, and scaffolding components, enabling workers to position loads accurately without heavy machinery. Warehouses and distribution centers rely on the lever block 3 ton for pallet stacking, machine relocation, and maintenance tasks, thanks to its portability and one-handed operation.
In manufacturing facilities, this hoist supports assembly line adjustments, equipment installation, and tensioning of conveyor systems. Shipbuilding and offshore operations benefit from its corrosion-resistant build, ideal for rigging engines, pipes, and deck fittings in marine environments. Mining and oil & gas sectors employ the lever block 3 ton for pulling heavy cables, securing drill rigs, and vertical lifts in confined shafts. Its versatility extends to automotive repair shops for engine hoisting and agriculture for bale handling, proving indispensable across global industries.
With short headroom and multi-position capabilities, the lever block 3 ton adapts to vertical, horizontal, and angled pulls, minimizing setup time and enhancing safety in dynamic work settings.
Advantages
- Superior Safety Profile: Dual pawl system and overload clutch minimize risks, reducing workplace accidents by up to 40% compared to basic hoists.
- Cost-Effective Maintenance: Modular design allows easy part replacement, extending service life beyond 10 years with proper care.
- Enhanced Productivity: Faster lift speeds and effortless lever action cut operation time by 25%, optimizing labor efficiency.
- Global Durability: Withstands extreme conditions, from humid tropics to freezing winters, outperforming competitors in longevity tests.
- Customization Options: Tailored lift heights, chain lengths, and accessories meet specific project needs without compromising standards.
- Ergonomic Design: Reduced pull force and anti-slip handle prevent strain injuries, promoting operator well-being.
Why Choose Us
As a leading manufacturer of material handling equipment, we specialize in premium lever block 3 ton solutions trusted by Fortune 500 companies worldwide. Our ISO 9001-certified production facilities employ state-of-the-art CNC machining and automated testing to deliver products with zero defect rates. Each lever block 3 ton undergoes 1.5x overload static and dynamic tests, ensuring unwavering performance.
We offer comprehensive warranties, rapid global shipping, and dedicated technical support, including on-site training. Our commitment to innovation includes eco-friendly manufacturing processes and recyclable materials. Partnering with us means accessing bulk pricing, OEM customization, and a supply chain optimized for international trade. Choose reliability, choose excellence—choose our lever block 3 ton for your next project.
FAQ
What is the maximum load capacity of the lever block 3 ton?
The lever block 3 ton has a safe working load (SWL) of 3 metric tons. It is tested to 4.5 tons for added safety assurance.
Can the lift height be customized for the lever block 3 ton?
Yes, standard lift is 3 meters, but we provide custom options from 1.5 to 12 meters to suit your requirements.
Is the lever block 3 ton suitable for outdoor use?
Absolutely. Its powder-coated finish and Grade 80 alloy chain offer excellent corrosion resistance for marine and outdoor applications.
How does the brake system work on this lever block 3 ton?
It features a Weston mechanical brake with double pawls and gears, providing instant, secure load holding in any position.
What maintenance is required for the lever block 3 ton?
Regular lubrication of moving parts, annual inspections, and chain cleaning ensure optimal performance. Free chain adjustments require no tools.
Does the lever block 3 ton comply with international safety standards?
Yes, it meets EN 13157, ASME B30.21, and is CE certified for global use.
What is the effort needed to lift a full 3-ton load?
Approximately 42 kg of force on a 410 mm lever, designed for minimal operator fatigue.
Can the lever block 3 ton be used for pulling as well as lifting?
Yes, its versatile design supports horizontal pulling, tensioning, and angled operations effectively.