CALCULATION INSTRUMENTS

* Warning : These calculation tools purpose is offering only indicative values, to support industry and plumbing professionals's job. Any project-based assessment should be made by qualified technicians and in compliance with local laws. SCTubes assumes no responsibility for any errors and / or inaccuracies on this site, claiming the right to edit at any time the contents data.
** Attention: Decimal separator is point, not comma.
mm
mm
or insert
mm
The following calculation tools have been developed upon water and its parameters.
Temperature C°
Speed: 0 (m/s)
Delivery
l/h
m3/s
Load loss (mm ca/m):
Load loss (Pa/m):
Max admitted load loss
mm ca/m
Pa/m
The following calculation tools have been developed upon water and its parameters.
Temperature
Delivery
l/h
m3/s
Inner diameter:
Speed  : (m/s)
Sizing sheet for calculation of the required cooling capacity for ACR plant
This method allows you to quickly and easily calculate the cooling necessary to climate a room and choose proper suitable products. This method is generic, has a good reliability, but the resulting data are not binding for SCTubes.
Actual electric devices
W
W
W
People
People doing regular physical activity
People doing low physical activity
People doing high physical activity
Floor
m2
Glass windows
north
cc
south
m2
east
m2
west
m2
Ceiling
with floors above
m2
under insulated roof
m2
under uninsulated roof
m2
Outer walls
north
m2
south
m2
east
m2
west
m2
inner walls
m2
Returning air(public places)
Nº people/h
Air circulation
mc/h
Total btu/h:
Total w:
Total kcal/h:
gas line calculation
Thermal power
Methane 8600 [Kcal]
Gasoil 10200 [Kcal]
Q = thermal power output [kcal/h]
G = fuel delivery [mc/h]
H = lower thermal output [kcal/mc]
D = inner tube diameter [m]
r = methane density [Kg/mc]
L = tube lenght [m]
Dp = pressure drop [Pa]
V = fuel speed [m/s]
A = inner tube surface [mg]
Caldaia Cucina
P [W]
P [kcal/h]
Gp [mc]
Gt [mc]
D [mm] D [m] R [m] A [mq] V [m/s]
D [m] V V^2 L[m] Dp [Pa]
mm
mm
Working and burst pressure calculation
Hard
Annealed
Half-Hard
Burst pressure: (MPa) = (bar)
Working pressure: (MPa) = (bar)
External diameter (in mm)
Thickness (in mm)
Water load (l/m)
Copper tube lenght (mm)
Thermal excursion ΔT (in C° o K)
Linear thermal expansion (mm)
External diameter (mm)
Thickness (mm)
Inner diameter (mm)
Weight (kg/m)