KL-10R&10T, to replace Johncrane 10R&10T seal. PTFE bellows, Outside mounted, used in strong corrosive chemical occasions. Operating Limits: Temperature:-20120 Speed: 10m/s Pressure: 5bar Standard size: 1-2 The Common Materials: Seal ring: Car, RBSIC, SSIC, Ceramic, PTFE Glass fill Secondary seal: PTFE Spring and metal parts: 304, 316. Kalu also offer mechanical seals stocks for replacement of John Crane 8-1, 8-1T, 8B1, 8B1T, 58B, 58U, 1(US),1A, 1B, 2, 2100, 502, WB2, 9, 9B, 9T, 9BT, 59B, 59U.