This standard lays down the method and extent of testing for determination of the characteristic line in order to define the flow resistance of down stream outlets, which are not connected with air pipes, and explains the marking and the procedure of registration of these down stream outlets.
Số hiệu tiêu chuẩn
DIN 4797
Tên tiêu chuẩn
Heating technique and room ventilation technique; down stream outlets; determination of the flow resistance
Ngày phát hành
1986-01-00
Tiêu chuẩn liên quan
DIN 24163-3 (1985-01)
Thay thế cho
DIN 4797 (1984-05)
Từ khóa
Air terminal devices * Air-conditioning equipment * Air-conditioning systems * Components * Definitions * Drag * Flow measurement * Fluid engineering * Hearths * Heating * Heating equipment * Inspection * Marking * Space-heating systems * Testing * Thermal environment systems * Type testing * Ventilation * Verification * Heated systems * Hearth * Volume flow rate * Heating technics * Air flow control equipment * Test certificates * Fire places * Qualification tests