Ge JGP389 Manuel d'utilisateur télécharger pdf (Page 25)

DUCT LENGTH CHART

Duct Fitting Number Total Equivalent

Duct Fitting Equivalent Length of Fittings Length–Fitting

8" Diameter 90° Elbow

(1.52 m)

6" Diameter 45° Elbow

2.5'

(.76 m)

5" to 6" Transition

1.0'

(12.7 cm to 15.24 cm) (.30 m)

6" to 3

⁄

"x10" 90° Elbow

(15.24 cm to 8.26 cm x 25.4 cm) (1.52 m)

⁄

"x10" to 6" 90° Elbow 9'

(8.26 cm x 25.4 cm to 15.24 cm) (2.75 m)

6" to 3

⁄

"x10" 90° Elbow 1'

(15.24 cm to 8.26 cm x 25.4 cm) (.30 m)

⁄

"x10" to 6" Transition 4.5'

(8.26 cm x 25.4 cm to 15.24 cm) (1.37 m)

5" to 3

⁄

"x10" 90° Elbow

(12.7 cm to 8.26 cm x 25.4 cm) (1.83 m)

⁄

"x10" 90° Elbow

(8.26 cm x 25.4 cm) (1.52 m)

⁄

"x10" Flat Elbow

12'

(8.26 cm x 25.4 cm) (3.66 m)

6" Wall Cap

28'

(15.24 cm) (8.53 m)

⁄

"x10" Wall Cap 20'

(8.26 cm x 25.4 cm) (6.10 m)

10"x10" Roof Jack

(25.4 cm x 25.4 cm) (0 m)

Thermal Break

(.61 m)

6" Diameter Straight Duct–Feet

(For flex duct multiply by 2.) (.30 m)

⁄

"x10" Straight Duct–Feet 1'

(.30 m)

System Total

Air Flow

Air Flow this direction not recommended.

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Ge JGP389 Manuel d'utilisateur Page 25

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