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Ebook Johnson's New Handy Manual on Plumbing, Heating, Ventilating and Mechanical Refrigeration
- Editore:
Forgotten Books
- EAN:
9780259735304
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- Nessuna
- Dimensione:
- 41.69 Mb
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Descrizione Ebook Johnson's New Handy Manual on Plumbing, Heating, Ventilating and Mechanical Refrigeration
If direct feed from pump N o. 1 to boiler is wanted proceed as follows: Close valves G. And usw'qves F. And M. The ?ow will open check valve E and close check valve E; E. If direct feed froni'pump'o. 2 to boiler' is wanted close' valves Fiia'nd Bataan open valves G. And M. Check valves E. And E.' B. Have the same action as whentpu'mp Nsdi 1 isiused.
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