KL-CDN, to replace Burgmann Cartex-DN seal. Double cartridge mechanical seal. Multiple spring, balanced, most popular type. Operating Limits: Temperature:-50---204 Speed: 23m/s Pressure: 20bar Standard size: 25-100mm or 1- 4.00 The common material: Sealing ring: Car, Sic, Ssic, TC Secondary seal: NBR, EPDM, Viton, Kalrez Spring and metal parts: 304, 316, HAST.C. Kalu also offer mechanical seals stocks for replacement of Johncrane4620, 5610, 5620, 2800E, Burgmann Cartex-SN, MFL65 Cartridge seal, AES ConvertorII. BSFG, Chesterton GSS, GDS, 155/255, Anga BE2., BED