KL-H74D, to replace Burgmann H74-D seal. Double seal, Multiple spring design. Pump screw design is available for spring retainer. Operating Limits: Temperature:-20180 Speed: 15m/s. Pressure: 25bar. Standard size: 14-100mm 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 Burgmann BT-FN, M3N, M37/M37G, HJ92N, M7N, H7N, M74-D, Eagle 1527, EA560(A), MG1/12/13/S20.