Specification of CHESTERTON TYPE 425 GLAND PACKING
425
Food Grade
Chesterton 425 is manufactured with a virgin PTFE filament and a white oil
lubricant. It is perfectly suited for use in valves and also in rotating equipment such
as blenders, mixers, agitators, and other rotating equipment. Chesterton 425
complies with the USDA requirements for minimal food contact and FDA
specification 21 CFR, 178.3620(a) for lubricants with incidental food contact
as well as 177.1550 perfluorocarbon resins
Technical Data
Temperature Limit:
230°C (450°F)
Shaft Speed:
6 m/s (1200 fpm)
Chemical Resistance:
pH 0 to 14
Applications:
All types of equipment in the
food processing and handling
industry, such as valves,
cookers, blenders, agitators,
pumps,
and mixers
