DK119: Spring Activated Piston Seal

SCS, INC. DK119:   Single acting asymmetrical PTFE piston seal, loaded with cantilever finger spring. Design provides low friction for dry running applications. Excellent chemical and thermal resistant, mainly used in chemical, pharma and food industries. Heavy dynamic lip offering reduced friction, long life and good scraping effect even in highly viscous media. At low to zero pressure, the metal spring provides the primary sealing force, as system pressure increases, the main sealing force is achieved by the system pressure and ensures a tight seal from zero to high pressure. Suitable for rotary applications. Extremely adaptive possibilities for diverse temperatures and media with a wide selection of seal materials. Available in standard, metric and custom sizes from 0-200″ in diameter.