KL-4620, to replace Johncrane double cartridge seal 4620P type. Double cartridge mechanical seal. Multiple spring, meet most industry pump standards, including ANSI/DIN pumps. Operating Limits: Temperature:-50---204 Speed: 23m/s Pressure: 20bar Standard size: 24-70mm or 1-2.75 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 Johncrane5610, 5620, 2800E, Burgmann Cartex-SN, Cartex-DN, MFL65 Cartridge seal, AES ConvertorII. BSFG, Chesterton GSS, GDS, 155/255, Anga BE2, BED.