DIAGRAMS
DOUBLE LOOP CHAIN SIZE CHART
| NO. | DIAMETER | INSIDE LENGTH | OUTSIDE WIDTH | BREAKING LOAD | WEIGHT PER 100M |
| MM | MM | MM | KG | KG | |
| 14 | 1.4 | 20.0 | 6.5 | 16 | 4.2 |
| 16 | 1.6 | 23.0 | 7.0 | 22 | 6.0 |
| 20 | 1.8 | 26.5 | 8.0 | 30 | 7.3 |
| 22 | 2.0 | 28.0 | 9.0 | 40 | 9.0 |
| 25 | 2.2 | 31.0 | 10.0 | 50 | 11.0 |
| 27 | 2.5 | 35.0 | 11.0 | 70 | 14.0 |
| 30 | 2.8 | 39.0 | 12.5 | 90 | 17.0 |
| 32 | 3.1 | 41.0 | 14.0 | 120 | 21.0 |
| 35 | 3.4 | 44.0 | 15.5 | 140 | 26.0 |
| 40 | 3.8 | 46.0 | 17.0 | 160 | 34.0 |
| 45 | 4.2 | 52.0 | 19.0 | 170 | 41.0 |
| 50 | 4.6 | 58.0 | 20.5 | 180 | 50.0 |
| 55 | 5.0 | 60.0 | 22.5 | 190 | 57.0 |
DESIGN
FINISH
- Zinc plated
APPLICATION
- Multi-purpose
MATERIAL
- Low carbon steel
INSTRUCTIONS & CAUTIONS
WORKING LOAD LIMITS: This is the maximum load (in pounds) a chain should ever handle, even when it’s new and the load is evenly distributed along a straight, untwisted length. The “working load limit” doesn’t reflect the load the chain could potentially endure if conditions like wear, twisting, misuse, overloading, or corrosion are introduced. These factors can reduce the chain’s strength, so regular inspections are crucial to ensure safety.
PROOF TEST: This is the load (in pounds) a chain undergoes before leaving the factory. The chain is tested under direct tension in a straight line at a consistent speed using a standard testing machine. The purpose of this test is to identify any material or manufacturing defects.
All double loop chains are proof tested. When using attachments like hooks or rings, make sure they match the chain’s grade, type, and size for proper load-bearing performance.
GENERAL WARNING: Chains made from low and high carbon steel, along with weldless and welded options, are designed for pull or tension applications only. Do not use them for lifting or hoisting, especially in situations where failure could cause injury or damage. Avoid jerking or rapidly applying loads, as this can significantly increase stress on the chain.
OUR ADVANTAGES
Tailored Customization
We provide custom DIN standard link chains to fit your specific needs. Whether it’s size, material, finish, or strength grade, we’ve got you covered. This flexibility makes our chains ideal for everything from industrial to agricultural and marine applications.
Built to Last
Our chains are made from high-quality materials like carbon steel and stainless steel, designed to perform under tough conditions. They resist corrosion, handle heavy use, and keep working long-term, no matter how demanding the environment.
Industry-Approved
All our chains are made to meet DIN standards and other relevant certifications, so you can trust their safety and reliability. We ensure that every chain performs to the highest specifications, keeping you compliant with industry regulations.
Great Value with Bulk Discounts
Get the best value for your money with our competitive pricing and bulk discounts for large orders. We make sure you get a great deal without compromising on the quality of our DIN standard link chains.
FAQ of DOUBLE LOOP CHAIN
What is a Double Loop Chain?
A double loop chain features links formed by looping wire back onto itself, creating a strong, flexible chain design. It’s commonly used in lifting, securing, and rigging applications. The added flexibility and strength make it ideal for industries like construction, agriculture, and marine, where durability and versatility are key.
Where Are Double Loop Chains Commonly Used?
Double loop chains are versatile and widely used across various industries due to their strength, flexibility, and durability. Here’s where they are commonly applied:
-
Agriculture:
Ideal for securing agricultural equipment, handling crops, and supporting heavy lifting operations on farms. -
Construction:
Perfect for lifting heavy materials, securing loads, and providing support in construction sites. -
Logistics:
Used to secure goods during transportation and loading/unloading in warehouses or shipping yards. -
Marine:
Essential for securing boats, docks, and other marine applications, thanks to their resistance to corrosion and ability to handle harsh weather conditions.
How Strong is a Double Loop Chain?
Double loop chains are known for their exceptional strength, especially when made from high-tensile steel. Their unique design gives them a higher load-bearing capacity than regular single-loop chains. Strength can vary depending on the chain’s grade and dimensions, but they are designed to handle significant weight in demanding environments.
What Are the Benefits of Double Loop Chains?
Double loop chains provide numerous benefits, including:
-
Enhanced Flexibility: Easier to handle and install.
-
Improved Strength: Extra strength due to the double-loop design.
-
Durability: Resistant to wear and corrosion, suitable for harsh environments.
-
Versatility: Ideal for both heavy-duty and general applications.
How Do I Choose the Right Double Loop Chain for My Application?
Choosing the right double loop chain is essential for ensuring safety and efficiency. Consider the following factors when selecting the appropriate chain for your needs:
-
Load Weight:
Ensure the chain’s load capacity matches or exceeds the weight of the load to be lifted or secured. Always select a chain that can safely handle the load. -
Environmental Conditions:
Choose a chain that can withstand the environmental conditions it will be exposed to. For example, stainless steel chains are ideal for marine or corrosive environments. -
Required Strength:
For heavy-duty applications, opt for thicker, high-tensile steel chains that provide enhanced strength and durability. -
Compatibility with Equipment:
Ensure the chain is compatible with your lifting equipment, such as hoists, cranes, or winches, for secure and efficient operations. -
Safety Standards:
Verify that the chain meets relevant industry safety standards, such as OSHA or ASTM, to ensure compliance and safety during use.
Are Double Loop Chains Resistant to Corrosion?
Yes, double loop chains are highly resistant to corrosion, especially if made from galvanized or stainless steel. These materials protect the chain from rust, making them suitable for use in marine environments or outdoor applications. For exposure to saltwater or harsh chemicals, stainless steel double loop chains are ideal.
Can Double Loop Chains Be Repaired or Adjusted?
Double loop chains can be repaired by replacing damaged links. Ensure that repairs are done following manufacturer guidelines. If any links are damaged, such as cracks or elongation, replace them immediately. Always inspect the chain for wear to ensure safe and efficient operation.
Are Double Loop Chains Available With Custom Fittings?
How Do I Maintain a Double Loop Chain?
Proper maintenance of your double loop chain ensures its longevity and safe performance. Follow these steps to keep your chain in optimal condition:
-
Regular Cleaning:
Clean the chain with mild detergent and water to remove dirt, grease, and debris. Avoid harsh chemicals that may damage the chain. -
Lubrication and Corrosion Protection:
Apply a lubricant or corrosion inhibitor to protect the chain from rust and wear, especially if it’s used in harsh environments. -
Frequent Inspection:
Regularly inspect the chain for signs of wear, rust, or damaged links. Look for any elongation or deformations in the links. -
Replace Damaged Links:
Replace any links that are deformed, broken, or worn to prevent the chain from failing during use. -
Proper Storage:
Store the chain in a dry, clean area to prevent exposure to moisture, chemicals, or harsh weather conditions that could cause rust or damage.
