Rotary Seals involve rotational motion from a shaft and housing. Used in oscillating or rotating parts, their primary function is to keep lubricated fluids in, whilst preventing the ingress of contaminants, such as mud and water.
Important factors to consider when choosing a rotary seal is the frictional heat buildup, material stretch, compression (squeeze), operational temperature limits, shaft and glandular machining.
Nitrile (NBR), (FKM/FPM), Silicone (VMQ), Leather, PTFE, Polyacrylic (ACM), Neoprene (CR). Rotary Seals can be rubber enclosed, metal enclosed and metal cased.
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