Featured theme: Boilers and Systems

Featured theme: Boilers and Systems

Cavitation is the main reason for pump system breakdowns – and the high temperatures in steam boiler systems increase the risk of it occurring.
Avoiding cavitation requires considerations of the pressure available at the inlet of the pump in order to make sure that NPSH_A > NPSH_R.

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Steam, water, oil?

Depending on the heating demand, boilers are divided into three main groups. One being steam boilers which are used because of the high latent energy content. Learn more on this as well as thermal oil boilers and hot water boilers.

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Intelligent control

Controlling the water level in steam boiler systems directly removes the need for feed valves. We achieve this by having sensors control variable speed pumps, resulting in the fastest reacting, precise and energy-efficient boiler feeding.

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The benefits of leaving out control valves

No pressure loss across the feed valve, boiler feeding adjusted according to steam consumption and energy savings on pump operation:

The benefits from controlling the level in the boiler directly with variable speed pumps are far from insignificant. In fact, the money saved equals the price of an expensive feed valve plus its maintenance costs.

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Download the manual

Click on the link and to access our in depth Grundfos boiler feed manual on boilers and systems.

Download the manual