AS-R37G, to replace M37/M37G seal. Conical spring design. Operating Limits: Temperature:-20-180 Speed: 15m/s. Pressure: 10bar. Standard size: 10-80mm. The Common Materials: Seal ring: Car, Sic, Ssic, TC. Secondary seal: NBR ,EPDM,Viton etc. Spring and metal parts:304,316.,HAST.C Asinoseal also offer mechanical seals stocks for Burgmann BT-FN, M3N , HJ92N, M7N, H7N, M74-D, H74-D, Eagle 1527, EA560(A), MG1/12/13/S20.