Chesterton 662 FG is an ISO VG Grade 22 high-performance lubricant designed specifically as a barrier fluid for double mechanical seal applications. 662 FG is suitable for all industrial and food/beverage/pharmaceutical applications. 662 FG is NSF H1 registered.
The ultra-clean 662 FG delivers premium thermal stability while minimizing the abrasive-particle wear of the seal faces and extending equipment life.
NOTE: For high temperatures above 120˚ C (250˚ F) use 610HT Synthetic Fluid in non-food grade applications.