Steam coils

nugs

No numbers or manufacturers stamp? If you can find any of those you should be able to look it up.

Gary P

Steam heating coils

I am sizing up a replacement steam boiler. The system has a steam coil in the duct work. How can I find the EDR rating of the coil?

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bob young

Frank's method with no rating plate visable

or use Frank's alternate method. highest btu rating for supply pipe size of coil

Tony Conner_2

Use...

... the CFM of the fan, and the delta-T of the air. That'll tell you how many BTU/hr or lbs/hr steam the coil requires.

Heating air with steam:

(CFM X 1.08 X delta T in *F) / 1000 = lbs/hr steam