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.
Product Datasheet: Chesterton 662FG Barrier Fluid 22 (English) (pdf)
| Ultra clean barrier fluid—extremely low particle count designed to minimize face wear and extend seal life |
| ISO 4406 particle count 14/12/10 |
| NSF H1 registered, incidental food contact |
| FDA: Conforms to FDA 21 CFR 178.3620 a & b 178.3570 |
| Minimize carbon formation and resulting seal clogging and hang up |
| Maintains seal face lubrication |
| Viscosity: ISO 22 at 40C, < 4 cSt at 100° C |
| Long-term stability minimizes replacement seal and fluid costs |
| Compatible with most fluids (mineral oil, PAO, and diester: not miscible with glycols or silicones) |
Application Areas:
| Mechanical seal barrier fluid |
NOTE: For high temperatures above 120˚ C (250˚ F) use 610 Synthetic Fluid
We specialize in industrial fluid handling solutions, including pumps, filtration systems, valves, and related components. Our focus is on delivering reliable, high-performance equipment tailored to your specific application.
Our team can help you identify the best solution based on your requirements such as flow rate, pressure, material compatibility, and operating conditions. Simply reach out with your details, and we’ll guide you through the selection process.
Yes, we provide customized and engineered systems to meet unique operational needs. Whether it’s a modification to an existing product or a fully tailored solution, we work closely with you to ensure optimal performance.
We aim to respond to all inquiries quickly, typically within one business day. For urgent requests, you can contact us directly by phone for faster assistance.
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We are located at: 5573 Market Place, Cypress, CA 90630
Phone: (714) 761-1591
Many of our orders are for customized assemblies or specialty items, so if you don’t find what you’re looking for in our online products selection, be sure to contact us for more direct assistance.