718560

ISO 5220:1981

Air distribution and air diffusion -- Aerodynamic testing and rating of constant and variable dual or single duct boxes and single duct units

standard by International Organization for Standardization , 12/01/1981

📝 Amendments Available

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About This Item

 

Full Description

Specifies methods for the aerodynamic testing and rating of assemblies suitable for use with air distribution systems operating at high or low velocity and high or low pressure. The tests cover: a) leakage past a closed valve; b) casing leakage; c) characteristics of the constant or variable flow rate controller; d) degree of temperature mixing achieved by a dual duct box; e) flow rate characteristics for single duct units.

 

Product Details

Published:
12/01/1981
Number of Pages:
11
File Size:
1 file , 650 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Amendments, rulings, supplements, and errata

  1. ISO 5220/ADD1:1984


    Addendum 1 to ISO 5220:1981 Variable primary flow rate control devices with induced flow facility