Donghua Launches Next Generation Maintenance-Free Roller Chain – SLR Nexus
Posted on Jun 24, 2025Donghua Limited, the leading manufacturer of premium chain products, is pleased to announce the UK launch of the SLR Nexus, a new maintenance-free Roller Chain engineered for superior performance in demanding applications.
The SLR Nexus Chain represents the next evolution in Roller Chain technology. Designed for environments where traditional chain maintenance is difficult or undesirable, the new chain features a host of advanced materials and design enhancements that eliminate the need for ongoing lubrication and maintenance.
Key features of SLR Nexus
- Zintec coated plates and blackened rollers offering exceptional corrosion resistance, ideal for harsh or hygienic conditions.
- Hard chromised pins that deliver extraordinary wear resistance and extended service life, reducing downtime and replacement costs.
- High performance sintered bush pre-impregnated with NSF-H1 food grade lubricant, ensuring continuous internal lubrication through the chain’s lifespan.
- Engineered for high-speed applications, exceeding 3m/s, it delivers optimal efficiency and reliability in fast-paced environments.
Bob Wellsbury, Managing Director of Donghua Limited, said:
“The SLR Nexus is ideal for industries such as food processing, packaging, conveying, and automotive; anywhere consistent, high-speed performance with minimal maintenance is a priority.”