PBE Reference & Buyers Guide

PBE 2018 BG website version

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38 August 2018 PBE powderbulk.com Equipment Selection Charts These handy charts can help you determine what equipment will work with your application. Pressure Pressure Vacuum differential Abrasive Hot Fine Fibrous Feeder conveying conveying (psi) materials materials powders materials Screw No Yes 0 Yes Yes Yes No Belt No Yes 0 Possible No No No Rotary valve Yes Yes 15 Yes Yes Yes Possible High-pressure rotary valve Yes Yes 50 Yes Yes Yes Avoid Pressure-sealing screw pump Yes Yes 3 Yes Yes Yes No Eductor Yes No 4 Yes Yes Yes No Double-dump valve Yes Yes 15 Yes Yes Yes Yes Screw pump Yes No 50 Yes Yes Yes No Blow tank Yes No 100 Yes Yes Yes No Lock hopper Yes Yes 300 Yes Yes Yes No Feeder suitability for pneumatic conveying applications chart* Typical suitability of feeders for various pneumatic conveying applications *Notes: Be aware that there are exceptions to the general information here. Courtesy Jenike & Johanson, Tyngsboro, MA. Find more information in the article "How to reliably feed material into your pneumatic conveying system" by Jayant Khambekar and Eric Maynard, Powder and Bulk Engineering, July 2011, page 45. Filter media selection chart* *Note: Courtesy Filter Media Services, Cincinnati, OH. Find more information in the article "Specialty bag filter media for better performance in tough applications" by Clint Scoble, Powder and Bulk Engineering,October 2010, page 45. Temperature limits (dry Fiber heat only) Acid Alkali Hydrolysis Oxidation type (ºF/ºC) resistance resistance resistance resistance Cotton 180/85 Poor Good Good Good PVC 150/65 Excellent Excellent Excellent Excellent Polypropylene 190/90 Excellent Excellent Excellent Poor Nylon 230/110 Poor Excellent Good Good Homopolymer acrylic 257/125 Good Good Good Fair Polyester 300/150 Good Poor Poor Good Polyphenylene sulfide (PPS) 375/190 Excellent Excellent Excellent Fair Aramid 400/205 Poor Excellent Poor Fair Polyimide 450/235 Fair Fair Good Good PTFE 500/260 Excellent Excellent Excellent Excellent Fiberglass 550/285 Good Fair Excellent Excellent

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