EagleBurgmann MFL WT80 Series Replacement TG680 Seres mechanical seal featurng welded metal bellowsstatic seal,The bellows adopts advanced welding technology.45°C wave design, which makes the stress distribution morereasonable and flexibility, to ensure seals has advantages of reliable sealing and good matching property. The Type 680incorporates drive lugs under the bellows that provide addedrotational drve, This reduces torsional stress on the bellowsand makes the Type 680 the ideal seal for maximum reliability and and extended life in viscous or high-temperature applications.The seal has excellent dynamic performance and has a wide range of applications.