HEAVY DUTY CHAIN BLOCK DRAWING
SPECIFICATIONS
| Model | CB1/2 | CB1 | CB1/2 | CB2 | CB3 | CB5 | CB10 |
| Capacity(t) | 0.5 | 1 | 1.5 | 2 | 3 | 5 | 10 |
| Standard lift(m) | 2.5 | 2.5 | 2.5 | 3 | 3 | 3 | 3.5 |
| Test load(t) | 0.75 | 1.5 | 2.25 | 3 | 4.5 | 6.25 | 12.5 |
| Min.distance between hooks(mm) | 240 | 270 | 347 | 380 | 470 | 600 | 700 |
| Chainpull to lift full load (n) | 221 | 304 | 343 | 314 | 343 | 381 | 392 |
| No. of load chain fall lines | 1 | 1 | 1 | 1 | 2 | 2 | 4 |
| Diameter of load chain(mm) | 6 | 6 | 7.1 | 8 | 7.1 | 10 | 10 |
| Net weight(kg) | 8.4 | 11 | 13.5 | 21 | 22 | 40 | 77 |
| Gross Weight(kg) | 9.4 | 12 | 14.5 | 22 | 23 | 41.5 | 85 |
| Packing measurement L×W×H(cm) | 28×21×17 | 30×24×18 | 34×29×20 | 33×28×19 | 38×33×20 | 45×39×24 | 55×51×29 |
FEATURES
Premium Build: Made with low-alloy structural steel and Grade 80 rated load chain for long-lasting durability.
Impact-Resistant Design: Reinforced cover and high-temperature quenched hooks enhance strength and prevent wear.
Efficient Operation: Easy to use with low hand-pull force and a ball bearing system for smoother lifting.
Certified Quality: CE-certified and rigorously tested for safety and reliability.
Versatile Performance: Ideal for heavy lifting in warehouses, factories, and construction sites.
INSTRUCTIONS & CAUTIONS
Ensure Proper Installation
Before using the heavy duty chain block, it’s essential to securely mount it on a stable, load-bearing structure like a beam or trolley. Always check that the hooks are properly latched and that the chain is free from obstructions. This ensures safe operation and prevents unnecessary strain on the hoist. Follow manufacturer guidelines for installation to ensure optimal performance and safety.
Never Exceed Load Capacity
Each heavy duty chain block is designed with a specific weight limit. Never overload it, as doing so can damage the hoist, affect its braking system, and lead to equipment failure. Always confirm the load weight before use, ensuring it’s within safe operating limits.
Conduct Regular Maintenance
Regular maintenance is vital to keep your heavy duty chain block working smoothly. Inspect the load chain, hooks, and brake system for wear. Lubricate the moving parts and ensure there is no rust or corrosion. Storing the hoist in a clean, dry place when not in use will help prolong its lifespan and maintain reliable performance.
Avoid Improper Use
Always operate the heavy duty chain block according to its intended use. Never use it for tasks outside of its designed purpose, and avoid jerking or sudden movements when lifting. Improper use can result in equipment damage or failure. Ensure smooth, gradual lifting and lowering to maintain safety and performance.
OUR ADVANTAGES
Commitment to Quality & Safety
At Powerful Machinery, quality and safety are our top priorities. We enforce strict quality control throughout every step of production, ensuring that all our products meet or exceed international safety standards. You can count on our equipment to perform reliably, even in the most demanding environments. Our expert team is always ready to provide insights and assist with your needs.
One-Stop Sourcing Solution
Powerful Machinery offers a complete sourcing solution for your lifting equipment needs. Whether you need off-the-shelf products or customized solutions, we have you covered. Our wide range of offerings ensures you get the right equipment for your specific application, saving you time and effort. We make sourcing easy and hassle-free, so you can focus on what really matters—running your business.
Efficient Logistics & Timely Delivery
We know time is critical in business. That’s why we’ve optimized our logistics system for fast and dependable delivery, ensuring your lifting equipment reaches you when you need it. Whether your project is local or international, we deliver on time, every time, minimizing any delays and keeping your operations running smoothly.
Comprehensive After-Sales Support
Our service doesn’t end with the sale. At Powerful Machinery, we provide comprehensive after-sales support to ensure your lifting equipment continues to perform at its best. From installation assistance to troubleshooting, our dedicated customer service team is here for you every step of the way. Your satisfaction is our priority, and we’re committed to keeping your operations running efficiently.
FAQ
What is a Heavy Duty Chain Block?
A Heavy Duty Chain Block is a manual lifting device used for hoisting and lowering heavy loads. It operates with a hand chain to raise or lower the load by using a mechanical gear system. Ideal for industrial environments like warehouses, construction sites, and factories, it provides powerful lifting support for handling loads up to several tons, without requiring electrical power.
How does a Heavy Duty Chain Block work?
A Heavy Duty Chain Block operates by pulling the hand chain, which engages a series of gears inside the hoist. This action lifts the load by moving the load chain through the sprockets. The system uses mechanical advantage to minimize the effort required to lift heavy items. The hoist also has a brake system to hold the load in place once it reaches the desired position.
How do I install a Heavy Duty Chain Block?
Secure to Stable Structure
Install the Heavy Duty Chain Block by attaching it securely to a stable overhead structure such as a beam or trolley.Check Hook Alignment
Make sure the hooks are properly latched and aligned. Misalignment during use can cause unnecessary wear or even failure.Follow Manufacturer’s Instructions
Always refer to and follow the manufacturer’s instructions for proper installation to ensure maximum safety.Ensure Safety Before Use
Before operating the hoist, double-check the installation to ensure it is secure and safe to use.
What is the difference between a manual chain block and an electric hoist?
Operation Method
A manual chain block is operated by pulling a hand chain, while an electric hoist uses an electric motor to lift loads.Lifting Tasks
Manual chain blocks are ideal for occasional or lighter lifting, while electric hoists are suited for continuous, heavy-duty lifting when power is available.Cost and Maintenance
Manual chain blocks are often more affordable and easier to maintain compared to electric hoists.Power Source
Manual chain blocks don’t require power, making them ideal for environments without electricity, whereas electric hoists rely on a power source for operation.
Can I buy Heavy Duty Chain Blocks in bulk for my business?
Yes, we offer bulk purchasing options for businesses, wholesalers, and suppliers. When ordering in large quantities, we can provide customized solutions to meet your specific needs. Contact our sales team to discuss your requirements, including pricing, lead times, and bulk discounts. We ensure fast, efficient shipping to keep your operations running smoothly.
