DEVICE FOR REPLACING AND REGRINDING VALVE SEATSJOHN PARRY
Method of replacing valve seatsComplete Patent Searching Database and Patent Data Analytics Services.doi:US1837334William S Penfield
Method and device for replacing at least one of the two sealing seats inside a valve body, particularly in situThe present invention relates to a method and to a device (38) for replacing at least one sealing seat (7) inside a valve body (1), moreover including another sealing seat (8...
Method and device for replacing, in particular in situ, of at least one of the two seats of the seal to the inside of a valve body.The present invention relates to a method and to a device (38) for replacing at least one sealing seat (7) inside a valve body (1), moreover ...