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Antistatic, antibacterial, antifungal flexible duct HDPE75A, 50 m roll

  • antistatic
  • antibacterial
  • antifungal
  • extremely durable
  • the inner side of the duct is white plastic covered antistatic, antibacterial and antimold coating with silver oxide ions
  • mechanical strength rating: 450 N
  • the smooth-bore ducting provides very low pressure losses
  • temperature resistance: combustible; softening point at 130 ˚C, flash point at 350 ˚C
  • fire resistance class: B2
  • operating temperature: -20 ˚C +60 ˚C
  • 50 m roll
  • weight of roll 18 kg

 

Selection of diffuser and air distributor (A, B, C, D)

Diffuser Ø, mm
Diffuser usefull area Ø, mm Diffuser usefull area, cm2
Ø75 mm  HDPE duct, P~31.2 cm2
Ø90 mm  HDPE duct, P~44.2 cm2
recommended duct connections to the distributor
80
60 ~28.3
1
1
100 70 ~38.5 1 1
125 100 ~78.5 2 2
160 140 ~154 5 3
200 160 ~201 6 4

 

Selection of main air distributor (D, E, F, G) connected to heat recovery unit

HRU connectors Ø, mm
HRU connectors area in cm2
Ø75 mm  HDPE duct, P~31.2 cm2
Ø90 mm  HDPE duct, P~44.2 cm2
recommended min. number of duct connectors in air distributor
125 ~122.7 4 3
160 ~201.0 6 4
200 ~314.2 10 7
Code
ØD (outer)
Ød (inner)
Ø of roll height of roll
HDPE50A 50 - - -
HDPE63A
63
51 ~1000 ~300
HDPE75A 75 63 ~1200 ~400
HDPE90A 90 75 ~1200 ~500
HDPE160A 160 135 ~1600 ~500
HDPE200A 200 175 - -

 

Pressure loss

1 m straight duct

 

0.5 m 45° bend

 

0.5 m 90° bend