8 Flex Duct Cfm
It is ideal when ul all aluminum duct is required by code in some gas and electric dryer applications.
8 flex duct cfm. Flex duct allows easy connection from the main duct trunk to the hvac grille. Like regular hvac duct flex duct work needs to be sized appropriately in order to flow the air volume which is measured in cubic feet per minute cfm correctly. To get the same result past 25 ft a 9 in. Duct system sizes and airflow quick chart created date.
Cfm 4 cfm 6 cfm 8 cfm 10 cfm 12 60 6x4 60 4x6 90 4x8 120 4x10 150 4x12 90 8x4 110 6x6 160 6x8 215 6x10 270 6x12 120 10x4 160 8x6 230 8x8 310 8x10 400 8x12. Cfm 4 6 8 10 12 duct inches cfm 50 6 x 4 550 75 6 x 4 675 100 8 x 4 6 x 6 6 100 125 10 x 4 6 x 6 7 125 150 10 x 4 8 x 6 7 150. Insulated flexible duct r6 silver jacket is used in standard heating and air conditioning hvac systems and some venting applications. Sheet metal duct friction loss calculator.
Cfm 4 cfm 6 cfm 8 cfm 10 cfm 12 60 6x4 60 4x6 90 4x8 120 4x10 150 4x12 90 8x4 110 6x6 160 6x8 215 6x10 270 6x12 120 10x4 160 8x6 230 8x8 310 8x10 400 8x12. The master flow 8 in. 8 18 20 9 10 12 flexible duct round metal pipe 750 1200 14 16 design airflow 50 85 125 1500 2000 180 240 325 525. Enter duct airflow cfm duct velocity fpm duct length and the number of bends.
Flex duct delivers 200 cfm. Flex duct will not deliver 200 cfm in typical field conditions. Flex duct should be used. Flexible duct work must be stretched tightly for maximum air flow.
This duct is totally non combustible and has a maximum operating temperature of 435 degree f. Use insulated duct or duct board in unheated spaces. New duct sizing chart xls author. The duct has r6 insulation which contains 33 more insulation than the standard r4 2 product.
Information provided is to be used as a guideline only. Heavy duty semi aluminum duct is ul2158a listed and marked for safe dryer venting. Flex duct 05 on most metal duct calculator round metal pipe 06 on most metal duct calculators field duct sizing chart. According to the air diffusion council and flex duct manufacturers themselves an 8 in.
This additional insulation provides greater thermal efficiency to save energy.