843 The 843 chain is designed with overlapping plastic flights assembled on a special roller chain with extended pins. This is an advantage especially at high speeds, because it reduces the noise level. The Snap-On chains are very suitable for the food processing industry. The 843 chain has a 0.50 in. pitch roller base chain and the...

820 single hinge chains   The main application is for conveying various food products and containers. The 820 is a plastic version of the related. The plastic chains however have a reinforcing middle rib underneath. The link thickness is 4.0 mm (0.16 in.) for the 820-series. The links overlap, so there is no space between the...