1 Exhibit 23.1 Consent of Independent Auditors We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 33-61893) pertaining to the Robbins & Myers, Inc. Employee Savings Plan of our report dated May 19, 2000, with respect to the financial statements and schedules of the Robbins & Myers, Inc. Employee Savings Plan included in this Annual Report (Form 11-K) for the year ended December 31, 1999. /s/ ERNST & YOUNG LLP Dayton, Ohio June 23, 2000