Typical Condesation Rates

Combustion Technology, Inc.

Process Heating & Cooling Specialist!

P.O. Box 138 • 139 East Third Street • Moscow Mills, Missouri 63362

(636) 366-9200 • Fax: (636) 356-1237

Typical Condensation Rates in Steam Pipes

Typical Condensation Rates in Steam Pipes - Insulated
Pressure PSIG (BAR)	Rates in Pounds/Hour (Kg/Hour) per Foot of Pipe with 2 Inches of Insulation
	Pipe Diameter (Inches)
	0.75	1	1.5	2	3	4
1 (0.069)	0.02 (0.009)	0.03 (0.014)	0.03 (0.014)	0.04 (0.018)	0.05 (0.023)	0.06 (0.027)
5 (0.34)	0.03 (0.014)	0.03 (0.014)	0.04 (0.018)	0.04 (0.018)	0.05 (0.023)	0.06 (0.027)
10 (0.69)	0.03 (0.014)	0.03 (0.014)	0.04 (0.018)	0.04 (0.018)	0.05 (0.023)	0.07 (0.032)
25 (1.7)	0.03 (0.014)	0.04 (0.018)	0.05 (0.023)	0.05 (0.023)	0.06 (0.027)	0.08 (0.036)
50 (3.4)	0.04 (0.018)	0.04 (0.018)	0.05 (0.023)	0.06 (0.027)	0.09 (0.041)	0.11 (0.05)
75 (5.2)	0.04 (0.018)	0.05 (0.023)	0.06 (0.027)	0.07 (0.032)	0.11 (0.05)	0.14 (0.064)
100 (6.9)	0.05 (0.023)	0.05 (0.023)	0.07 (0.032)	0.08 (0.036)	0.12 (0.054)	0.15 (0.068)
125 (8.6)	0.05 (0.023)	0.06 (0.027)	0.07 (0.032)	0.08 (0.036)	0.13 (0.059)	0.16 (0.073)
150 (10.3)	0.06 (0.027)	0.06 (0.027)	0.08 (0.036)	0.09 (0.041)	0.14 (0.064)	0.17 (0.077)
200 (13.8)	0.06 (0.027)	0.07 (0.032)	0.08 (0.036)	0.09 (0.041)	0.15 (0.068)	0.19 (0.086)

Typical Condensation Rates in Steam Pipes - Bare
Pressure PSIG (BAR)	Rates in Pounds/Hour (Kg/Hour) per Foot of Bare Pipe at 72 Degrees F (22 Degrees C) Ambient Air
	Pipe Diameter (Inches)
	0.75	1	1.5	2	3	4
1 (0.069)	0.11 (0.05)	0.15 (0.068)	0.21 (0.095)	0.25 (0.113)	0.38 (0.172)	0.46 (0.209)
5 (0.34)	0.14 (0.064)	0.16 (0.073)	0.22 (0.1)	0.26 (0.118)	0.41 (0.186)	0.50 (0.227)
10 (0.69)	0.15 (0.068)	0.18 (0.082)	0.24 (0.109)	0.29 (0.132)	0.44 (0.2)	0.53 (0.24)
25 (1.7)	0.17 (0.077)	0.22 (0.1)	0.31 (0.141)	0.36 (0.163)	0.53 (0.24)	0.65 (0.295)
50 (3.4)	0.22 (0.1)	0.27 (0.122)	0.39 (0.177)	0.46 (0.209)	0.66 (0.299)	0.83 (0.376)
75 (5.2)	0.26 (0.118)	0.31 (0.141)	0.45 (0.204)	0.54 (0.245)	0.77 (0.349)	1.04 (0.472)
100 (6.9)	0.29 (0.132)	0.35 (0.159)	0.50 (0.227)	0.61 (0.277)	0.86 (0.39)	1.11 (0.503)
125 (8.6)	0.32 (0.145)	0.39 (0.177)	0.55 (0.249)	0.68 (0.308)	0.94 (0.426)	1.23 (0.558)
150 (10.3)	0.35 (0.159)	0.42 (0.191)	0.60 (0.272)	0.74 (0.336)	1.03 (0.467)	1.33 (0.603)
200 (13.8)	0.40 (0.181)	0.49 (0.222)	0.69 (0.313)	0.81 (0.367)	1.19 (0.54)	1.50 (0.68)

BTU Comparisons | Properties of Saturated Steam | Steam Capacity | Temperature Conversions | Typical Condesation Rates | Volumes of Gas | Water Flow | Water Flow-Continued | Legal Information