{"id":166015,"date":"2024-10-19T10:04:56","date_gmt":"2024-10-19T10:04:56","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ashrae-120-2017\/"},"modified":"2024-10-25T02:24:23","modified_gmt":"2024-10-25T02:24:23","slug":"ashrae-120-2017","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ashrae\/ashrae-120-2017\/","title":{"rendered":"ASHRAE 120 2017"},"content":{"rendered":"
Standard 120 establishes uniform methods of laboratory testing of HVAC ducts and fittings to determine their resistance to airflow. This 2017 revision of the standard increases the length upstream of the test duct or fitting from 10 to 15 hydraulic diameters.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
1<\/td>\n | ANSI\/ASHRAE Standard 120-2017 <\/td>\n<\/tr>\n | ||||||
3<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
4<\/td>\n | FOREWORD 1. PURPOSE 2. SCOPE 3. DEFINITIONS, SYMBOLS, AND SUBSCRIPTS <\/td>\n<\/tr>\n | ||||||
5<\/td>\n | 4. COMPLIANCE REQUIREMENTS 5. APPLICABILITY 6. INSTRUMENTATION <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 7. FLOW MEASURING SYSTEMS AND TEST SETUPS <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 8. OBSERVATIONS AND CONDUCT OF TEST <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 9. CALCULATIONS <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 10. TEST RESULTS AND REPORT 11. REFERENCES <\/td>\n<\/tr>\n | ||||||
35<\/td>\n | INFORMATIVE ANNEX A\u2014TIME-WEIGHTED AVERAGE <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | INFORMATIVE ANNEX B\u2014LEAKAGE MEASUREMENT <\/td>\n<\/tr>\n | ||||||
43<\/td>\n | INFORMATIVE ANNEX C\u2014FLEXIBLE DUCT TEST SETUP GUIDE <\/td>\n<\/tr>\n | ||||||
47<\/td>\n | INFORMATIVE ANNEX D\u2014EXAMPLE TEST SYSTEMS <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" ASHRAE Standard 120-2017 * Method of Testing the Determine Flow Resistance of HVAC Ducts and Fittings (ANSI\/ASHRAE Approved)<\/b><\/p>\n |