KL-RO-A, to replace Flowserve RO seal. Multiple spring design. Operating Limits: Temperature:-20--180 Speed: 15m/s. Pressure: 10bar Standard size: 20-100mm The Common Materials: Seal ring: Car, Sic, Ssic, TC. Secondary seal: NBR, EPDM, Viton etc. Spring and metal parts: 304,316.,HAST.C Kalu also offer mechanical seals stocks for replacement of Flowserve 168 and so on.