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Whether you’re a microbrewery creating artisan craft ales, a big commercial brewery brewing bitters for pubs and bars, or simply having a go at making your own beer in a home brewery, you’ll require specialised brewery pumps to get the job done. This is due to the heat level and sugar content in hot wort, which means it requires specific equipment to transfer it safely. Whisper Pumps stock a growing range of beer transfer pumps suitable for breweries as well as home brew pumps for home breweries.
Over the past few years, we have seen a trend to use Ebara CDX and Lowara CEA pumps as a wort pumps in the brewing industry. This is because of the stainless steel construction and the ability to withstand high liquid temperatures of up to 110°C. However, we found that customers were experiencing problems with the hot wort transfer pumps leaking. This is not a problem encountered when pumping water so we set about finding out why this was happening. We discovered that sugars from the wort were crystallising on the faces of the mechanical shaft seal and forcing the two components apart, thus causing the seal to leak.
After some experimentation, we found a mechanical seal with a material which will still withstand the high temperature but does not allow the sugar to adhere to the mating surfaces. We now supply the Ebara CDX pumps and Lowara CEA pumps with the special brewery pump seal fitted. We also supply the seal as a spare part for retro fitting to existing wort pumps and offer a fitting service so that you can take advantage of this latest design.
Lowara CO pumps have these seals fitted as standard and can pump hot wort containing grain, without blocking.
Whisper Pumps are proud members of SIBA (The Society of Independent Brewers). SIBA represents the interests of a growing number of independent breweries and we are kept up to date with the brewing industry challenges and opportunities. We are highly experienced in hot wort pumping and our team have expert product knowledge.If you are unsure on the hot wort transfer pump model you require, please contact our technical sales team today on 01777 871100 for free, expert advice.