As-r155to replace burgmann bt-fn seal. Conical spring design . Operating limits: Temperature:-20&161;a&161;a150 Speed: 10m/s. Pressure: 10bar. Standard size: 10-40mm. The common materials: Seal ring: car, sic, ssic, tc. Secondary seal: nbr, epdm, viton etc. Spring and metal parts: 304, 316. In cartons
