Jul 27, 2023 · Swirl dampers, throttles or three-way valves are still used in many pumps and fans in older systems, but also in new systems, ...
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Jul 24, 2023 · S. Ehsan Mar'ashi's Post ... it's very useful curve. The pump efficiency is constant when the speed is reduced. The pump efficiency is decrease in ...
Missing: دنیای 77? q= 7090502685648449538- dIKm
Oct 7, 2023 · Dear members, As you know, the head in meters (or feet) liquid column is independent of the density of the liquid being pumped.
Missing: دنیای 77? q= https:// marashi_iso50002- 7090502685648449538- dIKm
Feb 23, 2024 · This real life example in Germany shows that it is more cost effective to add energy efficiency (heat pumps) than to use traditional electric ( ...
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