Cleveland-basedParker Hannifin Corp.namedPeter Popoffas president of the company’sFiltration Groupand an officer of the company. Popoff replaces John Oelslagerwho retired March 31, after more than 41 years of dedicated service to Parker.

Charlotte, N.C.-basedAPVnamedCharles Rubento the position of global plate heat exchangers sales director.

Lou Zavala was hired by Lake Zurich, Ill.-basedFrigel as a national sales manager. Zavala will be responsible for the North American sales representative network and advancing industry awareness of Frigel’s technology.

Acme Cryogenics Inc., Allentown, Pa., hiredEdward Haberernas key account manager. Haberern has been in the high-purity chemical and gas component industry for the past 21 years and was most recently employed byFab Operations Services, a division ofApplied Materials, as an account manager.