EXHIBIT 23.1

CONSENT OF DELOITTE & TOUCHE, LLP

IDEX Corporation:

         We consent to the incorporation by reference in Registration Statement
of IDEX Corporation on Form S-8 of our reports dated January 15, 2002 and March
4, 2002, appearing in and incorporated by reference in the Annual Report on Form
10-K of IDEX Corporation for the year ended December 31, 2001 (Registration
Statement No. 001-10235).


/s/ DELOITTE & TOUCHE, LLP

Chicago, Illinois
January 31, 2003