Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Board of Directors

Gardner Denver, Inc.:

We consent to the incorporation by reference in the registration statements (Nos. 33-91088, 333-24921, 333-84397, 333-61314, 333-116108, and 333-155305) on Form S-8 and the registration statements (Nos. 333-109086, 333-122422, and 333-142793) on Form S-3 of Gardner Denver, Inc., of our reports dated March 2, 2009, relating to the consolidated balance sheets of Gardner Denver, Inc. and subsidiaries (the Company) as of December 31, 2008 and 2007, and the related consolidated statements of operations, stockholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2008, and the effectiveness of internal control over financial reporting as of December 31, 2008, which reports appear in the December 31, 2008 annual report on Form 10-K of the Gardner Denver, Inc.

The Company acquired CompAir Holdings Limited (CompAir) on October 20, 2008, and management excluded from its assessment of the effectiveness of the Company’s internal control over financial reporting as of December 31, 2008, CompAir’s internal control over financial reporting associated with total assets of $528 million and total revenues of $90 million included in the consolidated financial statements of the Company as of and for the year ended December 31, 2008. Our audit of internal control over financial reporting of the Company also excluded an evaluation of the internal control over financial reporting of CompAir.

As discussed in Note 2 to the consolidated financial statements, effective January 1, 2007, the Company adopted Financial Accounting Standards Board Interpretation No. 48, Accounting for Uncertainty in Income Taxes, an interpretation of Statement of Financial Accounting Standard No. 109, and as of December 31, 2006, the Company adopted Statement of Financial Accounting Standards No. 158, Employers’ Accounting for Defined Benefit Pension and Other Postretirement Plans.

/s/  KPMG LLP

St. Louis, Missouri

March 2, 2009