Enclosed Nylon Plastic Drag Chain – Fully Covered Protection for Harsh Environments

What Is an Enclosed Nylon Plastic Drag Chain?

An enclosed nylon plastic drag chain is a fully covered cable management system engineered for demanding industrial conditions where contamination is a primary concern. Unlike openable bridge-type hose &cable carriers, this series features continuous tube-style links with protective side walls and closed crossbars or plate that create a complete barrier around cables and hoses.

Made from impact-resistant PA66 (Nylon 66) engineering plastic, the enclosed design prevents external contaminants from reaching the internal cables while retaining the material's inherent self-lubricating properties and wide thermal range (-40°C to +120°C). The result is a sealed or closed cable carrier that provides uninterrupted protection in environments where bridge-type cable chains would leave cables vulnerable to debris, fluids, and particulate infiltration.Need frequent cable access for maintenance? See our Bridge Type Nylon Drag Chain series

Key Features of Our Enclosed Series – Built for Protection

Our enclosed nylon drag chain series is purpose-built to shield cables from the harshest operating conditions:

1.Complete Contaminant Shielding – Closed tube structure creates a physical barrier that blocks dust, metal chips, sand, and weld splatter from reaching cables and hoses.

2.Oil and Coolant Resistance – PA66 nylon material withstands prolonged exposure to mineral oils, synthetic coolants, and water-based cutting fluids without degradation or swelling.

3.Chip-Proof Construction – Sealed side walls and continuous top cover prevent sharp metal particles from penetrating the carrier, eliminating a common failure point in machining applications.

4.Wide Temperature Tolerance – Maintains structural integrity from -40°C to +120°C, suitable for both cold storage facilities and hot forming operations.

5.Self-Lubricating Operation – Nylon's natural lubricity ensures smooth articulation even in dry or contaminated environments, reducing wear on both the carrier and the cables inside.

6.Cost-Effective Sealing – Our enclosed series delivers premium-level protection at factory-direct prices, thanks to standardized tooling and automated production—using 100% virgin PA66 material throughout.

Available Sizes – Enclosed Type Drag Chain Specifications

Select your required inner height below. Each model is available in multiple bending radii to accommodate different installation layouts.

Model	Inner Height   (mm)	Outer Height (mm)	Pitch (mm)	Bending Radius (mm)
YDLE20	20	35	45.7	R55    R75    R100    R125    R150    R175   R200
YDLE25	25	40	45.7
YDLE30	30	45	45.7
YDLE35	35	55	68.1	R75     R100     R125     R150    R175    R200    R250    R300
YDLE45	45	65	68.1
YDLE55	55	75	80.5	R100    R125    R150    R200    R250     R300
YDLE65	65	85	80.5
YDLE80	80	106	100	R150       R200       R250        R300       R350       R400
YDLE100	100	124	125	R175    R200    R250    R300   R350    R400    R500

Applications – Where Our Enclosed Drag Chain Excels

Our enclosed nylon drag chains are the preferred fully sealed cable carrier solution for challenging industrial environments where standard openable chains cannot provide adequate protection. As a reliable dustproof cable chain, they are widely used in woodworking, composite machining, and food processing facilities where fine particulates are prevalent. The oil-resistant drag chain construction makes them ideal for hydraulic power units, automotive assembly lines, and machine tool coolant systems. As a chip-proof cable carrier, they excel in metalworking operations—including milling, turning, and grinding—where hot, sharp swarf would quickly damage exposed cables. These enclosed energy chain systems are also deployed in outdoor material handling, steel mills, and foundries, where weather exposure and abrasive dust demand complete sealing. Additionally, we offer custom cable carrier design for specialized sealing requirements in cleanrooms, chemical processing, and high-pressure washdown environments.

Customization for Enclosed Systems – Sealing-Focused Configurations

Our enclosed drag chains can be tailored to your specific environmental and operational requirements:

•Internal Cable Organization – Custom separators and dividers to route and isolate multiple cables, hoses, and fibers within the sealed tube, preventing internal tangling and abrasion.

•Fiber Optic Management – Dedicated fiber clips on side links keep sensitive optical lines separate from power cables, even inside an enclosed system.

•Visual Identification – Custom molded logos and non-standard colors for brand visibility or equipment matching.

•Length and Configuration – Custom chain lengths, special bending radii, and modified mounting brackets to fit your exact machine layout.

MOQ for custom orders: 1,000 meters. Lead time: 10-15 days for most configurations.
Contact our engineering team with your sealing and layout specifications.