Busch Labyrinth Sleeve Part# 322131057

The Busch Labyrinth Sleeve, identified by part number 322131057, is a specialized component used in specific Busch pump models. The labyrinth sleeve is designed with a unique labyrinth pattern, which creates a labyrinth seal when installed in the pump. The primary function of the labyrinth sleeve is to prevent the ingress of contaminants such as dust, dirt, or moisture into the pump housing. It forms a barrier that inhibits the passage of these contaminants, helping to maintain the integrity and performance of the pump. The Busch Labyrinth Sleeve is specifically used in Pump Models MM1200AV, MM1324AV, MM1402AV, MM1502AV, and MM1320AV.