O-Ring,Viton,220 x 3 mm

This is the genuine Busch Viton O-Ring. The part number is 0486515755.

This o-ring has a 220 mm inner diameter and a 3 mm cross-section. That means the rubber ring itself is 3 mm thick.

The inner diameter is 220 mm. That is about 8.66 inches. This is a large o-ring, designed for big pump housings or large port connections.

Viton is a brand name for a type of synthetic rubber. The technical name is FKM (Fluoroelastomer). Viton is special because it can handle:

• High temperatures – Much hotter than standard rubber

• Harsh chemicals – Oils, fuels, acids, and solvents

• Vacuum pressure – It holds its shape even under strong vacuum

Standard rubber o-rings can swell, crack, or melt in these conditions. Viton keeps working .