HEI Standards Discount Bundle 1 (PDF)

HEI Standards Bundle 1 includes downloadable .pdf files of the following:

• Standards for Steam Jet Vacuum Systems, 7th Edition (HEI 125)
• Standards for Steam Surface Condensers, 12th Edition (HEI 118)
• Standards for Air Cooled Condensers, 2nd Edition (HEI 121, HEI 3087-2017)
• Performance Standards for Liquid Ring Vacuum Pumps and Compressors, 5th Edition (HEI 119)