FPM D/Lip Oil Seal

While FPM and FKM refer to the same high-grade fluoroelastomer material, the "Double Lip" design adds a critical layer of defense for machinery operating in dirty, dusty, or high-moisture environments. Double lip design features two distinct sealing edges, Primary lip with stainless steel garter spring to keep lubricants securely inside the housing. Secondary 'dust' lip acts as a rugged wiper to block external contaminants—like dust, grit, and water—from reaching the primary seal and damaging the shaft