1 EXHIBIT 25 Power of Attorney We the undersigned directors and officers of IDEX Corporation and each of us, do hereby constitute and appoint Donald N. Boyce, Wayne P. Sayatovic, Douglas C. Lennox and Robert D. Grindel, or any of them our true and lawful attorneys and agents, each with full power of substitution, to do any and all acts and things in our name and behalf in our capacities as directors and officers and to execute any and all instruments for us and in our name, which attorneys and agents or any of them may deem necessary or advisable to enable said corporation to comply with the Securities Act of 1933, as amended, and any rules, regulations, and requirements of the Securities and Exchange Commission, in connection with the Registration Statement on Form S-3 relating to the sale by Mitchell H. Saranow of 75,700 shares of common stock of the corporation (the "Registration Statement"), including specifically, but without limitation, power and authority to sign for us or any of us in our names in the capacities indicated below, any and all amendments (including post-effective amendments) hereto; and we hereby ratify and confirm all that said attorneys and agents, or their substitute or substitutes, or any of them shall do or cause to be done by virtue hereof. Signature Title Date --------- ----- ---- /S/ DONALD N. BOYCE Chairman of the Board, President October 31, 1996 ------------------------------- and Chief Executive Officer Donald N. Boyce /S/ WAYNE P. SAYATOVIC Senior Vice President - Finance, October 31, 1996 ------------------------------- Chief Financial Officer and Wayne P. Sayatovic Secretary (Principal Financial and Accounting Officer) /S/ RICHARD E. HEATH Director October 31, 1996 ------------------------------- Richard E. Heath - -------------------------------- Director October 31, 1996 Henry R. Kravis /S/ WILLIAM H. LUERS Director October 31, 1996 ------------------------------- William H. Luers /S/ PAUL E. RAETHER Director October 31, 1996 ------------------------------- Paul E. Raether /S/ CLIFTON S. ROBBINS Director October 31, 1996 ------------------------------- Clifton S. Robbins /S/ GEORGE R. ROBERTS Director October 31, 1996 ------------------------------- George R. Roberts /S/ NEIL A. SPRINGER Director October 31, 1996 ------------------------------- Neil A. Springer /S/ MICHAEL T. TOKARZ Director October 31, 1996 ------------------------------- Michael T. Tokarz