Capacities of Condensate Lines - in kW

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Maximum capacities of condensate lines in kW steam consumption

The table below can be used to determine the sizes of a condensate pipe line where the heat consumption in kW is known.

Steam Consumption (kW)
Nominal pipe size		Wet main	Dry main with gradient			Vented Pipes
in	mm	Wet main	1 in 200 ft	1 in 600 ft	Vertical	Vented Pipes
1/2	15	30	10	6	10	12
3/4	20	70	30	18	30	47
1	25	120	50	34	50	94
1 1/4	32	300	120	80	120	211
1 1/2	40	420	176	117	176	293
2	50	760	350	225	350	530
2 1/2	65	1900	800	510	800	1200
3	80	2700	1200	740	1200	1870

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