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 April 23, 2004, with respect to the financial statements and schedules of the Robbins & Myers, Inc. Employees Savings Plan included in this Annual Report (Form 11-K) for the year ended December 31, 2003. Dayton, OH /s/ Ernst & Young LLP June 25, 2004