Silent chain, or inverted-tooth chain, is a kind of chain with teeth created upon its links to activate with the teeth in the sprockets. Silent greenhouse reducer chains drives aren’t really silent. The links in a silent chain drive, however, build relationships the sprocket tooth with little effect or sliding, and consequently a silent chain creates less vibrations and noise than other chains. The quantity of noise generated by a silent chain drive is dependent of many factors including sprocket size, acceleration, lubrication, load, and drive support. A web link belt silent chain contains removable links became a member of by rivets or interlocking tabs. These chains offer the advantage of set up without dismantling drive elements, reducing inventory, and increasing temperature ranges