VENTILATORS VH30100 - Fitting Equivalent Lengths

FITTING EQUIVALENT LENGTHS
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5
IO-VENT-SS
• Flex pipe equivalent length
is smooth pipe x2
• Flex ng equivalent length
is smooth ng x2
• 45° perimeter pipe elbow
equivalent length = 5 .
(1.52 m)
NOTE: Where ex duct is
used to make 45º elbow
equivalent length =
10 . (3.0 m)
• Y-equal sides equivalent
length = 10 . (3.0 m)
• Y-Side branch
equivalent length =
35 . (10.7 m)
• Round plasc diuser
equivalent length = 100 .
(30.5 m)
NOTE: Maximum airow
assumes diuser is in full
open posion.
• Tee take-o equivalent
length = 50 . (15.24 m)
• Angle boot equivalent
length = 30 . (9.14 m)
• 90° perimeter pipe elbow
equivalent length = 10 .
(3.0 m)
NOTE: Where ex duct is used
to make 90° elbow equivalent
length = 20 . (6.1 m)
• Round wall cap spring
damper or screen
equivalent lengths =
60 . (18.29 m)
• Wall grille 50% free area
equivalent length = 15 .
(4.6 m)
• Increaser/Reducer
equivalent length
= 8 . (2.43 m)