www.SpiraxSarco.com/
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+44 (0)1242 521361
Steam Main - Heat Loss - Start up and Running Condensing Rate
Pipe Standard
ANSI - Schedule 40
ANSI - Schedule 80
API 5L - Schedule 40
API 5L - Schedule 80
BS1387 - Blue Band - Medium
BS1387 - Brown Band - Light
BS1387 - Red Band - Heavy
BS1600 - Schedule 40
BS1600 - Schedule 80
JIS - Schedule 40
JIS - Schedule 80
Nominal Pipe Size
1/8 in, 6 mm
1/4 in, 8 mm
3/8 in, 10 mm
1/2 in, 15 mm
3/4 in, 20 mm
1 in, 25 mm
1 1/4 in, 32 mm
1 1/2 in, 40 mm
2 in, 50 mm
2 1/2 in, 65 mm
3 in, 80 mm
4 in, 100 mm
5 in, 125 mm
6 in, 150 mm
8 in, 200 mm
10 in, 250 mm
12 in, 300 mm
14 in, 350 mm
16 in, 400 mm
Equivalent Pipe Length
mm
cm
m
km
in
ft
yard
mile
Steam Pressure
bar gauge
m H2O gauge
bar absolute
mbar gauge
Pa (N/m²) gauge
kPa (kN/m²) gauge
MPa gauge
psi gauge
atm gauge
at (kgf/cm²) gauge
in H2O gauge
ft H2O gauge
mm Hg (Torr) gauge
in Hg gauge
mbar absolute
Pa (N/m²) absolute
kPa (kN/m²) absolute
MPa absolute
psi absolute
atm absolute
at (kgf/cm²) absolute
in H2O absolute
ft H2O absolute
m H2O absolute
mm Hg (Torr) absolute
in Hg absolute
Ambient Temperature
°C
°F
°R
K
Start Up Time
s
min
h
week
year
Choose Pipe Location
Indoor
Outdoor Sheltered
Outdoor Exposed
Start Up Condensing Rate
Start Up Condensing Rate
kg/s
kg/h
lb/s
lb/h
tonne/h
Minimum Start Up Valve Capacity
Kv
Cv (UK)
Cv (US)
Av
Minimum Number of Traps Required
Running Condensing Rate
Un-insulated Pipe
kg/s
kg/h
lb/s
lb/h
tonne/h
50mm Insulation
kg/s
kg/h
lb/s
lb/h
tonne/h
75mm Insulation
kg/s
kg/h
lb/s
lb/h
tonne/h
100mm Insulation
kg/s
kg/h
lb/s
lb/h
tonne/h
Running Heat Loss
Un-insulated Pipe
W
kW
MW
Btu/h
hp
Metric hp (PS)
kcal/h
50mm Insulation
W
kW
MW
Btu/h
hp
Metric hp (PS)
kcal/h
75mm Insulation
W
kW
MW
Btu/h
hp
Metric hp (PS)
kcal/h
100mm Insulation
W
kW
MW
Btu/h
hp
Metric hp (PS)
kcal/h