Nordson (NDSN) 8-K/A Financial Statements and Exhibits

Exhibit 23.1

CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

We have issued our report dated June 8, 2017, with respect to the combined financial statements of Vention Advanced Technologies (acarve-out of Vention Holdings, Inc.), incorporated by reference in the Current Report on Form8-K/A of Nordson Corporation, for the year ended June 30, 2016. We consent to the incorporation by reference of said report in the Registration Statements of Nordson Corporation on FormsS-8 (File Nos.333-167406,33-18309,33-33481,333-119399 and333-188980).

/s/ GRANT THORNTON LLP

Iselin, New Jersey

June 8, 2017