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The Sheet Metal and Air Conditioning Contractors' National Association ( SMACNA; pronounced 'Smack'-'Nah') is an international trade association with more than 4,500 contributing contractor members [ 1] in 103 chapters [ 2] throughout the United States, Canada, Australia and Brazil. Its headquarters is in Chantilly, Virginia .
Duct leakage testing. A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air-conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a pressure sensing device to measure the pressure created by the fan flow.
The Air Movement and Control Association International, Inc. ( AMCA) is an American trade body that sets standards for Heating, Ventilation and Air Conditioning ( HVAC) equipment. It rates fan balance and vibration, aerodynamic performance, air density, speed and efficiency. AMCA was formed in 1955 from several earlier trade associations which ...
GOST Standards. GOST 2.109-73: Unified system for design documentation. Basic requirements for drawing. GOST 2.123-93: Unified system for design documentation. Sets of design documents for printing plates under automated design. GOST 7.67-94: System of standards on information librarianship and publishing. Codes of names of countries.
Download attachments in AOL Mail. If you've received an attachment in your email you want to save, you can download the file right to your computer. Download all attachments in a single zip file, or download individual attachments. While this is often a seamless process, you should also be aware of how to troubleshoot common errors.
Website. www .astm .org. ASTM International, formerly known as American Society for Testing and Materials, is a standards organization that develops and publishes voluntary consensus technical international standards for a wide range of materials, products, systems and services. Some 12,575 apply globally.
Codes such as the UMC and IMC do include much detail on installation requirements, however. Other useful reference materials include items from SMACNA, ACGIH, and technical trade journals. American design standards are legislated in the Uniform Mechanical Code or International Mechanical Code. In certain states, counties, or cities, either of ...
A list of international common and basic technical standards, which have been established worldwide and are related by their frequent and widespread use. These standards are conventionally accepted as best practice and used globally by industry and organizations . In circumstances and situations there are certain methods and systems that are ...
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