Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleCompact, smaller, and better value.AbstractThe article offers information on the R690 pneumatic and R677 manual plastic diaphragm valves from Gemü.SubjectsPNEUMATIC control valves; GEMU (Company)PublicationChemical Engineering, 2014, Vol 121, Issue 9, p68ISSN0009-2460Publication typeProduct Review