Drive Unit Assembly

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Drive Chain Overview

Brentwood’s Polychem NH-78 Drive Chain is used to drive flocculators, screw conveyors, chain and flight collectors, and a range of other low-speed applications. Injection molded from glass-reinforced nylon, NH-78 is strong, lightweight, and resistant to corrosion and chemical damage. This non-metallic replacement for heavy metal chains is simple to install and maintain without special tools. Our drive chain can also be protected with barrel wrap for high grit or highly caustic conditions. By reducing barrel wear, the chain lasts longer and performs better.


  • Integrally molded chain links eliminate wear

  • Material optimizes strength & reduces stretch

  • Resistant to UV and chemical damage

  • Standard 10’ pre-assembled lengths available

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System Animation

System Animation

Learn how all the components in a standard Polychem system are assembled and installed.

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