GB/T 6719-1986
Replaced
DB31/ 850-2014
Abolished
Shanghai CityLocal standards
DB31/ 850-2014 The limit value and energy efficiency level for the extrusion process to form axial fans are provided
DB31/ 850-2014 The limit value and energy efficiency level for the extrusion process to form axial fans are provided
Price:
$ 23
Basic Information
Standard Code:
DB31/ 850-2014
Standard Type:
Local standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Technical management
ICS Name:
Ventilators, fans, and air conditioners
Publish Date:
2014-11-11
Implement Date:
2015-03-01
Pages:
8 pages
Scope
This standard specifies the energy efficiency limits, energy efficiency grades, energy-saving evaluation values, and evaluation methods for axial fans formed by the extrusion and drawing process. This standard applies to large and medium-sized mechanical ventilation and cooling towers, and air cooler devices using axial fans with diameters ranging from 1,000 mm to 9,750 mm.
Development Information
Referenced Standards
Related Standards
GB 12021.9-1989
Replaced
GB 12021.9-1989 The limited value of energy consumption of electric fans and it's measuring method
GB/T 12138-1989
Replaced
GB/T 12138-1989 Measuring method for performance of bag filter
GB/T 13274-1991
abolished_transferred
GB/T 13274-1991 Technical specification for general purposes axial fans
GB/T 13275-1991
abolished_transferred
GB/T 13275-1991 Technical specification for general purposes centrifugal fans
GB/T 13933-1992
Replaced