10R/10T John Crane Mechanical Seal WB2 PTFE Bellows Seal for Water Pump
Comprehensive Model Coverage: The WB2 series bellows mechanical seals are available in multiple sizes to meet diverse application needs, including WB2-20, WB2-25, WB2-28, WB2-30, WB2-35, WB2-38, WB2-40, WB2-45, WB2-50, WB2-55, WB2-60, WB2-65, WB2-70, WB2-75 and WB2-80, suitable for various rotating equipment and shaft specifications.
Double Stage Seat Design: Equipped with a double stage seat structure, the seal enhances sealing performance and pressure resistance, effectively preventing leakage in high-demand working conditions. It provides dual protection to isolate the medium from the external environment, ensuring stable operation even in harsh industrial scenarios.
Premium Material Configuration: Adopting SIC/SIC (Silicon Carbide/Silicon Carbide) seal faces and PTFE (Polytetrafluoroethylene) components, the seal boasts excellent wear resistance, corrosion resistance and high-temperature resistance. SIC/SIC faces ensure long service life, while PTFE offers superior chemical inertness to adapt to aggressive media.
Bellows Structure Advantage: The integrated bellows design compensates for shaft run-out and axial movement, reduces wear between seal faces, and minimizes maintenance downtime. It also features good flexibility and stability, ensuring reliable sealing performance under varying operating conditions.
Versatile Application Scenarios: Widely applicable to pumps, compressors and other rotating equipment in industries such as chemical, petrochemical, water treatment, and pharmaceutical. It is especially suitable for working environments involving corrosive media, high pressure or high temperature, delivering cost-effective and long-lasting sealing solutions.
WB2 10r/10t John Crane Mechanical Seal is a high-performance PTFE bellows seal designed for extreme corrosion resistance, ideal for water pumps and harsh industrial applications. As a complete externally mounted seal, it features a bellow-integrated PTFE face, eliminating sliding elastomers and ensuring reliable sealing in aggressive media such as high concentrations of acids, salts, strong oxidizing/reducing agents, and chemically active organic compounds.
Built with premium materials for durability: seal rings are available in Car, Sic, Ssic, Ceramic, PTFE, and Glass-filled material; secondary seal is made of chemical-inert PTFE; springs and metal parts adopt 304/316 stainless steel, effectively isolating corrosive fluids from metal components. It operates stably within strict limits: temperature -40—200℃, speed 10m/s, pressure 5 bar, with standard sizes ranging from 20-80mm
Type 10T variant enhances leak resistance and structural integrity, suitable for rotating equipment requiring long-term reliability. Its PTFE bellows design offers flexibility to compensate for shaft run-out, reduces wear, and minimizes maintenance downtime, making it a cost-effective solution for both water pump and chemical processing applications.
Weight
1.5 lbs
Dimensions
13 × 8 × 9 in
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