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Gold Prospecting
Alluvial Gold Prospecting
High-Banking Simply Stated
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<blockquote data-quote="ken2m" data-source="post: 244997" data-attributes="member: 7269"><p>You can use a flat disc about 600mm diameter (not important to have it round either) placed over the top of the foot valve. That will not allow the vortex to form. This is used when pumping out buildings after flooding. Depending on the pump it may allow pumping for another 300mmm or more. CFA use these as well. Couldnt quickly find any reference to them on the internet. Ken.</p></blockquote><p></p>
[QUOTE="ken2m, post: 244997, member: 7269"] You can use a flat disc about 600mm diameter (not important to have it round either) placed over the top of the foot valve. That will not allow the vortex to form. This is used when pumping out buildings after flooding. Depending on the pump it may allow pumping for another 300mmm or more. CFA use these as well. Couldnt quickly find any reference to them on the internet. Ken. [/QUOTE]
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Gold Prospecting
Alluvial Gold Prospecting
High-Banking Simply Stated
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