Trending Heat Pumps Discussions

What is more manufactured, Electric motors or pumps and why? ‎

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Explain overhauling steps for a back pullout pump? ‎

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How to protect submersible pumps against dry runing ?‎

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What is a heat exchanger?‎

A heat exchanger is a device that circulates a liquid or gas through tubing inside it. Depending on whether your HVA unit is set to heating of cooling, the liquid or gas ‎ ... See More

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Dose NPSHr depends on liquid temperature in centrifugal pumps?‎

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What are factors to be considered while calculating Heat Load Requirement and Heat Pump Selection?‎

I consider Sensible heat from Walls, Glass, lights, Equipment & Laten heat from People & Infiltration while calculating Cooling Load requirement. But what are the‎ ... See More

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As Heat Pump Condenser unit , which type of heat exchanger perform better ? (either PHE or Shell and tube Heat Exchanger ) for hot water application‎

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Air conditioners and Heat Pumps cool your house by ?‎

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What is cavitation?‎

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Answer added by  Mohamed Elboraie, Service Center Manager, Hilti Kuwait
9 years ago

Let's clarify easily the relationship between NPSHr and Temperature.. First we need to define the NPSHr as it is "The minimum pressure required at the suction p ... See More