KL-85N, to replace Burgmann MFL85N Seal. Welded metal bellows design. Operating Limits: Temperature: -20---220 Speed: 20m/s Pressure: 25bar Standard size: 16-100mm The common material: Sealing ring: Car, Sic, Ssic, TC Secondary seal: NBR, EPDM, Viton, Kalrez etc. Spring and metal parts: 304, 316, AM350, HAST.C. Inconel 718, Titanium. Kalu also offer mechanical seals stocks for replacement of Burgmann MFLWT80, Johncrane 680, Johncrane 609. The delivery time is 7-15 days.