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7/8 inch ML2238 braided packing.

ML2238 is a specially treated PTFE packing for high-speed applications. Other PTFE filaments glaze or harden because of frictional heat due to high speeds and thermal expansion.

ML2238 braided packing is recommended for the most severe services. Can be used with all oxidizers and corrosives except for molten alkali metals.

ML2238 is suitable for shaft speeds up to 1885 fpm. The max temperature is 500°F / 260°C and the pH range is 0-14.

The approximate yield for ML2238-7/8 is 1.9 ft/lb.

7/8 inch 4461 braided packing.

ML4461 is a high-performing, carbon filament packing treated throughout with PTFE to help prevent color contamination and carbon migration. Each strand of the carbon yarn is treated and impregnated with a PTFE suspensoid, totally encapsulating the packing to prevent carbon filaments from migrating into the system.

ML4461 braided packing is constructed to work best with high temperature and high shaft speed applications. It is recommended for use in demanding applications such as digesters, outlet devices, steam vessels, and top separators. ML4461 can be used in most chemical services, except strong oxidizers.

ML4461 is suitable for shaft speeds up to 3000 fpm. The max temperature is 600°F / 345°C and the pH range is 0-14.

The approximate yield for ML4461-7/8 is 1.9 ft/lb.

Packing rings will not cross-link or fuse in service, allowing for easy removal and elimination of costly spacer rings.