702239 O-RING 2-249 TS PFA

The 702239 O-RING 2-249 TS PFA by Blackmer is a high-performance sealing component designed for use in positive displacement pumps and fluid transfer systems. Made from perfluoroalkoxy (PFA) fluoropolymer, it offers excellent chemical resistance, high purity, and durability suitable for demanding industrial applications. The O-ring has a cross-sectional diameter of approximately 2.249 inches and an inner diameter compatible with standard pump fittings, ensuring precise sealing performance. It can withstand temperatures up to 200°C (392°F) and pressures up to 150 psi,  maintaining integrity under rigorous operating conditions. The 702239 O-RING features a resilient fluoropolymer material that resists attack from acids, solvents, and aggressive chemicals, making it suitable for chemical processing, pharmaceutical, and food-grade applications. Typical use cases include sealing in pump head assemblies, valve connections, or fluid transfer systems where leak prevention is critical. The O-ring is supplied as a single component, with no additional accessories included. Proper maintenance involves inspecting for signs of wear or degradation and replacing when necessary. Cleaning can be performed with compatible solvents, and it is compatible with various sterilization procedures, including autoclaving, ensuring long service life in sanitary environments. The 702239 O-RING is essential for ensuring reliable pump performance and minimizing downtime in liquid and chemical transfer operations.