We show the practical steps and results so you can judge suitability quickly. In this video, we demonstrate the installation process and performance testing of the 30mm Double Type Mechanical Seal for Fristam pumps. You'll see how Hefei Supseals International Trade designs and manufactures these precision seals using computerized equipment to ensure international standards compliance. Watch as we showcase the seal's application in industrial settings and explain how our custom manufacturing approach delivers reliable performance comparable to premium brands.