Samsung RVXVHT100FE - Page 56

54
Refrigerant piping works
6
Elbow
Pipe size(O.D.) Equivalent length
mm inches m ft
Ø9.52 Ø3/8 0.18 0.59
Ø12.70 Ø1/2 0.20 0.66
Ø15.88 Ø5/8 0.25 0.82
Ø19.05 Ø3/4 0.35 1.15
Ø22.23 Ø7/8 0.40 1.31
Ø25.40 Ø1 0.45 1.48
Ø28.58 Ø1-1/8 0.50 1.64
Ø31.75 Ø1-1/4 0.55 1.80
Ø34.93 Ø1-3/8 0.58 1.90
Ø38.10 Ø1-1/2 0.60 1.97
Ø41.30 Ø1-5/8 0.70 2.30
Ø44.45 Ø1-3/4 0.75 2.46
Ø50.80 Ø2 0.80 2.62
6-6. Equivalent length calculations
 Equivalent length calculation method
Equivalent length = actual pipe length(m) + number of ‘Y-joint’×0.5(m)+number of ‘Header joint’×1.0(m)+
number of elbows×equivalent length of each elbow
Type
Equivalent length
m ft
Y joint 0.5 1.64
Header joint 1.0 3.28