Technical data

Series F2 80 C
20 Ed. 06/2011
DATA TO CALCULATE THE PRESSURE DROP FOR AIR INTAKE/FLUE EXHAUST PIPES PURCHASED ON THE
MARKET
Flue CO
2
(%)
Mod.
Texhaust fume
Temperature °C
Flue Flow
(Weight)
kg/h
Natural Gas LPG
Maximum
Allowed Pressure
Drop (Pa)
F2 80 C
170 140 9,2 – 9,4 10,7 150
Table 4 – Data to calculate the pressure drop for air intake/flue exhaust pipes purchased on the market
DATA TO CALCULATE THE PRESSURE DROP FOR THE AIR INTAKE/FLUE EXHAUST SYSTEM WITH Ø 80 OR
Ø 100 PIPES SUPPLIED
Component pressure drop Ø 80 Component pressure drop Ø 110
pipe (Pa/m) elbow 90° (Pa) pipe (Pa/m) elbow 90° (Pa)
Mod.
flue air flue air flue air flue air
F2 80 C
20 15 26 20 6 2,4 10 6
Table 5 – Data to calculate the pressure drop for the air intake/flue exhaust system with Ø 80 or Ø 100 supplied on
request by Robur SpA
DATA TO CALCULATE AIR/FLUE SYSTEM WITH PIPES Ø 130
SUPPLIED ON REQUEST BY ROBUR S.P.A.
Component pressure drop Ø 130
pipe (Pa/m) elbow 90° (Pa) Coaxial (Pa)
Mod.
flue air flue air
To the roof
(O-KTC001)
Condense loss
(Pa)
(O-SCR013)
F2 80 C
2,7 1,2 7 2 32 1,5
Table 6 – Data to calculate the pressure drop for the air intake/flue exhaust system with Ø 130 supplied on request by
Robur SpA
For each 45° elbow an increment of 1.2 m in length of the pipe on which it has been
installed should be added (e.g. if the 45° elbow has been mounted on an air intake
pipe, which is 2 m long, to calculate the pressure drop you should consider a total air
intake pipe length of 3.2 m).