891 Rotary Inside Single Seal
- High-Performance, Single Component Seal
Chesterton's 891 is a balanced, high-performance component single seal. The 891 can be run against many different stationary seal rings for maximum flexibility in many applications. It is a non-fretting design that will not damage the shaft sleeve or any metal parts within the seal.
Product Features
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- Monolithic seal faces
- Balanced
- High-pressure capable
- Non-clog, isolated springs
- Dynamic O-Ring is positioned on a replaceable component surface
- Minimized wearing components
- Easy to repair with kits
Technical Data
| Size Range | 16 mm to 200 mm (0.75 inch to 8 inch ) |
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Materials
Operating Conditions
| Pressure Limit Vacuum | 711 mm Hg Vacuum ( 28 in Hg vacuum ) |
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| Pressure Limit Rotating | 600 PSIg ( 40 BARg ) |
| Speed Max | 20 m/s ( 4000 fpm ) |
| Temperature Max | 570 °F ( 300 °C ) |
| Temperature Min | -67 °F ( -55 °C ) |
Let's talk
For inquires about products, sales, or to request a quote, please contact our Sales Office.
Resources
| Name | Download | File type | |
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Catalog: Mechanical Seals (English) | 27952 KB |