KL-609, to replace Johncrane metal bellow seal type 609. Welded metal bellows design. Operating Limits: Temperature:-20---400 Speed: 20m/s Pressure: 25bar Standard size: 1.0-4.0 The common material: Sealing ring: Car, Sic, Ssic, TC Secondary seal: Carbon graphite Spring and metal parts: 304, 316, AM350, HAST.C. Inconel 718, Titanium. Kalu also offer mechanical seals stocks for replacement of Burgmann MFL85N, Johncrane 680, Johncrane 680. The delivery time is 7-15 days.