Tables Of Resistance Factors And Equivalent Lengths Of "Green Range" Flue System Components - Immergas VICTRIX EXTRA 12 PLUS Instructions And Recommendations

1.13 TABLES OF RESISTANCE FACTORS AND EQUIVALENT LENGTHS OF "GREEN RANGE" FLUE
SYSTEM COMPONENTS
TYPE OF DUCT
Concentric pipe 80/125 Ø m 1
90° concentric bend 80/125 Ø
Concentric bend 45° Ø 80/125
Terminal complete with concentric horizontal intake-exhaust
Ø 80/125
Terminal complete with concentric vertical intake-exhaust
Ø 80/125
90° concentric bend Ø 80/125 with inspection
Stub pipe with inspection Ø 80/125
28
Equivalent length in m
Resistance Factor (R) of concentric pipe Ø
2,1
3,0
2,1
2,8
3,6
3,4
3,4
80/125
1
1,4
1
1,3
1,7
1,6
1,6