Exhibit 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on
Form S-2 of our reports dated June 15, 2005, relating to the consolidated
financial statements and financial statement schedule of Graham Corporation
(which reports express an unqualified opinion and include an explanatory
paragraph relating to the change in accounting method for construction-type
contracts in 2005), appearing in the Annual Report on Form 10-K of Graham
Corporation for the year ended March 31, 2005, and to the reference to us under
the heading "Experts" in the Prospectus, which is part of this Registration
Statement.


/s/ Deloitte & Touche LLP


September 27, 2005