Issue link: http://www.e-digitaleditions.com/i/796485
2 March 2017 | PBEI Powder and Bulk Engineering International [ISSN 1098-6480] (print) [ISSN 1944-8023] (online) is published six times a year in January, March, May, July, September, and November by CSC Publishing, Inc., 1155 Northland Drive, St. Paul, MN 55120 USA. Volume 10, Number 2 March 2017 On the cover: Model R3431SAN SSSL screener is designed to meet stringent USDA sanitary guidelines, particularly in dairy powder processing. Screener shown was installed in late 2015 at a dairy plant. Screener can handle up to 30,000 lb/h (13,600 kg/h) on certain dairy powders. Screener is capable of a single separation and provides more than 33 square feet (3 square meters) of screening area. Screener's typical applications require 30 mesh or larger screen openings. Courtesy of Rotex, Cincinnati, OH USA, +1 513 541 1236 (www.rotex.com). FEEDERS 14 Three ways to improve continuous loss-in-weight feeding accuracy Sharon Nowak 19 Equipment feature: Feeders SCREENING AND CLASSIFYING 9 Screen deck maintenance for your gyrating sifter Derek J. Williams 13 Equipment feature: Screening and classifying GENERAL FEATURES Cover 2 Ask an expert: Raw material changes affect alumina powder production James L. Davis 7 Dust doctor: Requiring shop drawings for new dust collection systems John A. Constance 20 Featured trade shows: CPhI Japan (Tokyo, 19-21 April), IDMA 2017 Fair (Istanbul, 4-7 May), Solids Dortmund (Dortmund, 10-11 May), SAMPE China 2017 (Beijing, 10-12 May), FCE Pharma (São Paolo, 23-25 May). DEPARTMENTS 4 Industry news 23 Supplier notes 8 Special section: Valves Cover 3 Advertiser index 22 Events Cover 3 Product update 23 Call for papers www.pbeinternational.com