Discover the high-performance Bellow Mechanical Seal CHL-16/B1SF4 and CHL-20/B1SF4 designed for CNP CHL/CHLF-2-4-8-12-16-20 Series Horizontal Pumps. Ideal for water applications, these seals operate under pressure ≤0.3MPa, speeds ≤5m/s, and temperatures from -30ºC to +200ºC. Made with durable materials like ceramic, carbon, and stainless steel, they ensure reliability and longevity.