Product Overview
When designing or sourcing swing systems for public parks, schools, and commercial recreation facilities, chain failure is not an option. Standard utility proof coil chains are not engineered for the continuous dynamic forces, angular friction, and child safety compliance required in playground environments.
Our heavy-duty outdoor swing chains are purpose-engineered with precise link pitch, full-penetration automatic welds, and heavy anti-corrosion coatings to deliver reliable, long-term performance under high-frequency daily use.
Technical Specifications
|
Wire Dia. (d) |
Inner Length (p) |
Inner Width (a) |
Material Grade Options |
Working Load Limit (WLL) |
Breaking Force |
Salt Spray Resistance |
|
5.0 mm |
19.0 mm |
8.0 mm |
Carbon / SS304 / SS316 |
220 kg / 485 lbs |
>= 8.8 kN |
HDG: 350+ Hours |
|
6.0 mm |
21.0 mm |
9.0 mm |
Carbon / Alloy / SS316 |
350 kg / 770 lbs |
>= 14.0 kN |
HDG: 500+ Hours |
|
8.0 mm |
24.0 mm |
11.0 mm |
Carbon / Alloy Steel |
600 kg / 1,320 lbs |
>= 24.0 kN |
HDG: 500+ Hours |
|
10.0 mm |
28.0 mm |
14.0 mm |
Alloy Steel (Grade 70/80) |
1,000 kg / 2,200 lbs |
>= 40.0 kN |
HDG: 500+ Hours |
Multi-Layer Surface Protection for Outdoor Environments
Hot-Dip Galvanized (HDG)
Coating Thickness: 60 - 85 um uniform zinc barrier.
Best For: All-weather public parks, outdoor recreation, high-humidity environments.
Advantage: Self-healing sacrificial corrosion protection that prevents rust creep even if scratched.
Smooth-Touch PVC / Plastisol Dip Coating
Coating Material: Heavy-duty, UV-stabilized phthalate-free PVC.
Benefits: Prevents finger-pinching, insulates against extreme summer temperatures, and provides soft grip for children.
Options: Green, Blue, Red, Yellow, Black (Custom RAL colors on bulk orders).
Marine-Grade Stainless Steel (AISI 304 / 316)
Surface: Tumble-polished / Electropolished finish.
Best For: Coastal installations, beachfront resorts, and acid-rain prone urban environments.
Advantage: Zero coating flaking; maximum lifecycle durability without maintenance.
Child-Safe Manufacturing & Finishing Process
Pinch-Free Link Design: Tight inner-width tolerances prevent small fingers from getting trapped between adjacent chain links.
100% Flash-Free Weld Polishing: Every chain length passes through automated deburring and media tumbling to remove sharp edges, flash burrs, and weld seams.
Proof-Load Tested: Every batch is load-tested to 2x the Rated Working Load Limit before surface treatment to guarantee structural integrity.
Wholesale & OEM Customization
Custom Assemblies: Pre-cut lengths with end-links, quick-connect shackles, or triangle swing hangers pre-attached.
Private Label Packaging: Retail-ready pails, branded cartons, or bulk export crates with custom barcodes and labels.
Flexible MOQ & Production Capacity: Stable monthly manufacturing capacity to support peak seasonal demands.
FAQ
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