Teflex Fluorotec Forced on Sealing & Filtration for Oil & Gas, Chemical, Marine, Food & Beverage, Water Treatment, Medical, Semiconductor, Green Energy, Automotive Industries
PTFE Lantern Ring
Description
PTFE Lantern Ring is a Key Part for Auxiliary Sealing & Maintenance in Pumps, Valves & Agitators. Its Structure Facilitates Fluid Introduction, While Its Material Offers A Low Friction Coefficient And Chemical Inertia. This Ensures Reduced Frictional Heat Generation, Immunity To Process Media, And Continuous Removal Of Wear Particles. It Protects The Shaft & Extends The Overall Service Life of The Equipment.
Feature
- Flexible & Easy to Install
- Wide Temperature Range
- Low Coefficient of Friction
- Inert & Non-Contaminating
- Available in Multiple Grades
- Exceptional Chemical Inertia
Advantage
- Protects Key Components
- Superior Media Compatibility
- Extends Pump/Shaft Lifespan
- Reduced Frequent Maintenance
- Optimizes Lubrication & Cooling
Benefit
- Reduced Downtime
- Improved Sealing Efficiency
- Control Operation Total Cost
- Easy Installation & Maintenance
- Protection Wear & Contaminants
- Enhanced Operational Reliability
Application
- Valve,Centrifugal, Turbine, Boiler
- Feed, Condensate Return Pumps
- Wastewater, Slurry, Sludge, Pulp, Paper
- Positive Displacement Pumps, Agitators, Mixers
Teflex Also Offers Glass-Filled PTFE for Enhanced Mechanical Strength & Durability. We Provide Comprehensive Customization Services to Dimensions, Material Compositions as Your Different Application Requests.
Comparison of Different Lantern Ring Materials
| Property | PTFE | PEEK | Bronze/Brass | Stainless Steel |
| Chemical Resistance | Excellent | Excellent | Moderate | Excellent |
| Maximum Temperature | Up to 260°C (500°F) | Up to 260°C (500°F) | Up to 316°C (600°F) | Up to 538°C+ (1000°F+) |
| Friction Coefficient | Very Low | Low | Medium | Medium |
| Wear Resistance | Good | Excellent | Good | Excellent |
| Cost | Moderate | High | Low-Moderate | Moderate-High |
| Typical Use | General/Food | High-end | Water/Legacy | Slurry/Abrasive |








