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Adjustable chain lifting slings are engineered to handle a wide variety of lifting applications that require both strength and flexibility. Unlike fixed-length slings, adjustable slings allow the operator to shorten or lengthen each leg during lifting operations, ensuring better load balance and higher safety.
At TOPONE CHAIN, we design and manufacture adjustable chain lifting slings using high-strength G80 and G100 alloy steel, meeting the most demanding industrial standards. Each sling is equipped with shortening clutches (chain adjusters) that make length regulation simple and secure.
An adjustable chain lifting sling consists of four essential components:
1️⃣ Master Link — connects to the crane hook or lifting device.
2️⃣ Shortening Clutch (Adjuster) — used to adjust chain length precisely.
3️⃣ Alloy Steel Chain — provides the lifting strength and flexibility.
4️⃣ End Fittings — include hooks, shackles, or eye connectors.
The adjuster (shortening clutch) is the core feature that differentiates adjustable chain slings from fixed ones. By changing the effective chain length, operators can adapt the sling to various workpiece sizes, angles, or lifting conditions.
Type | Composition | Best For |
Fixed Chain Sling | Master Link + Chain + Hook | Ideal for consistent load sizes; no adjustment needed. |
Adjustable Chain Sling | Master Link + Shortening Clutch + Chain + Hook | Perfect for variable load sizes, irregular shapes, or confined lifting conditions. |
TOPONE CHAIN’s adjustable chain lifting slings combine the durability of alloy steel with the flexibility of adjustable design, making them a reliable solution for multi-angle and multi-purpose lifting operations.
Material: High-strength quenched and tempered alloy steel (20Mn2, SCM440, 23MnNiMoCr5-4)
Grade: G80 / G100
Finish: Self-colored, galvanized, or powder-coated
Temperature Range: -40 °C to +200 °C (G80), up to +250 °C (G100)
Standards: EN 818-4 / ASME B30.9 / ISO 3077
Certifications: CE / TÜV / GS / ISO 9001:2015
✅ Flexible Length Adjustment
Easily adapt chain length using the built-in shortening clutch. Perfect for uneven or complex lifting environments.
✅ Superior Strength
Forged from G80 or G100 alloy steel for high working load limits and long service life.
✅ Multi-Angle Capability
Supports lifting angles from 0°–90°, providing balance for irregular or multi-point loads.
✅ Safety & Traceability
Each sling is proof-load tested and marked with serial numbers for full traceability.
✅ Customizable Design
Available in single-leg, double-leg, three-leg, or four-leg configurations with optional hooks or shackles.
Chain Dia. (mm) | Grade | Working Load Limit (0°–45°) (Tons) | Adjustable Range (mm) |
8 | G80 | 2.0 | 600–1800 |
10 | G80 | 3.15 | 800–2000 |
13 | G100 | 5.3 | 1000–2500 |
16 | G100 | 8.0 | 1200–3000 |
20 | G100 | 12.5 | 1500–3500 |
(Custom length, grade, and hook type available upon request.)
Construction and structural steel lifting
Offshore platforms and shipyards
Mining and quarry maintenance
Heavy machinery and equipment handling
Warehouse and logistics material transfer
Transport and rigging systems
9 Automated production lines and precision heat-treatment control
100 % proof-load testing before shipment
ISO 9001:2015 Certified Quality System
CE, TÜV, GS, and EN 818 compliance
OEM / ODM customization available
Every sling undergoes load testing, dimensional verification, and magnetic particle inspection before delivery, ensuring that every component meets international lifting standards.
Q1: What makes adjustable chain slings better than fixed ones?
Adjustable slings allow operators to adapt to different load sizes and lifting angles, reducing setup time and improving safety.
Q2: How do I adjust the chain length?
By placing the chain link into the shortening clutch, you can quickly change the effective length of each chain leg.
Q3: Are adjustable chain slings compatible with existing lifting hooks?
Yes, they can be fitted with eye hooks, clevis self-locking hooks, or shackles depending on your lifting configuration.
Q4: Can I order custom lengths or multi-leg versions?
Absolutely. TOPONE CHAIN provides customized designs from 1-leg to 4-leg adjustable chain slings.
The adjustable chain lifting sling is a modern lifting solution combining strength, versatility, and safety. With shortening clutches for easy adjustment, these slings adapt to various working conditions, ensuring stability and precision in every lift.
At TOPONE CHAIN, we manufacture G80 and G100 adjustable chain lifting slings with full traceability, global certification, and custom options to meet diverse industrial needs.
Get a Quote Now:
Contact us today for custom adjustable lifting sling solutions designed to your specifications.
