8-K

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                                  UNITED STATES

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549



                                    FORM 8-K

                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                          Date of report: APRIL 4, 2006
                        (Date of earliest event reported)

                                IDEX CORPORATION
             (Exact name of registrant as specified in its charter)


   DELAWARE                       1-10235                         36-3555336
   (State of              (Commission File Number)              (IRS Employer
Incorporation)                                               Identification No.)

                                 630 DUNDEE ROAD
                           NORTHBROOK, ILLINOIS 60062
          (Address of principal executive offices, including zip code)

                                 (847) 498-7070
              (Registrant's telephone number, including area code)



         Check the appropriate box if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

  [ ]  Written communications pursuant to Rule 425 under the Securities Act
       (17 CFR 230.425)

  [ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act
       (17 CFR 240.14a-12)

  [ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
       Exchange Act (17 CFR 240.14d-2(b))

  [ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
       Exchange Act (17 CFR 240.13e-4(c))

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Item 8.01.        Other Events.

On April 4, 2006, IDEX Corporation issued a press release announcing a 25
percent increase in the company's regular quarterly cash dividend to a rate of
$.15 per common share. A copy of the press release is furnished as Exhibit 99.1
to this Current Report on Form 8-K and is incorporated herein by reference.

Item 9.01.        Financial Statements and Exhibits

     (d)  Exhibits.

          99.1  Press release dated April 4, 2006.




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                                    SIGNATURE

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

Dated:  April 5, 2006
                                        IDEX CORPORATION



                                        By:  /s/ Dominic A. Romeo
                                             --------------------------

                                             Name:  Dominic A. Romeo
                                             Title: Vice President and Chief
                                                    Financial Officer




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                                  EXHIBIT INDEX

EXHIBIT
NUMBER              DESCRIPTION
- ------              -----------

99.1                Press release dated April 4, 2006






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EX-99.1

                                                                    EXHIBIT 99.1


          IDEX CORPORATION INCREASES QUARTERLY CASH DIVIDEND 25 PERCENT


NORTHBROOK, IL, APRIL 4, 2006 - IDEX CORPORATION (NYSE: IEX) today announced
that its Board of Directors has approved a 25 percent increase in the company's
regular quarterly cash dividend to a rate of $0.15 per common share. The next
dividend will be paid April 28, 2006, to shareholders of record as of April 14,
2006. This dividend represents the company's 46th consecutive regular quarterly
cash dividend payment.


ABOUT IDEX

         IDEX Corporation is the world leader in fluid-handling technologies for
positive displacement pumps, dispensing equipment for color formulation, and
other highly engineered products including fire suppression equipment, rescue
tools, and engineered band clamping systems. Its products are sold in niche
markets to a wide range of industries throughout the world. IDEX shares are
traded on the New York Stock Exchange and Chicago Stock Exchange under the
symbol "IEX."