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Gold Prospecting
Prospecting Equipment
foot valves on Honda WX 15 suction hose
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<blockquote data-quote="Heatho" data-source="post: 19105" data-attributes="member: 487"><p>Exactly what Garnet said, if your suction line is leaking the pump won't stay primed. Some pumps will still work but lose a lot of suction, especially over 6 metres. Out of interest service station Diesel pumps will not pump even if there is the slightest air leak, where as petrol ones will, only with a tiny leak though. Different pumps will behave in different ways with a tiny suction leak, but most will fail to pump. Over such a long suction line distance you'll need the foot valve to keep it primed if you stop pumping.</p><p></p><p>This has driven me mad on numerous occasions, we'd always have a pressure test rig with us so it was pretty easy to find the leak.</p></blockquote><p></p>
[QUOTE="Heatho, post: 19105, member: 487"] Exactly what Garnet said, if your suction line is leaking the pump won't stay primed. Some pumps will still work but lose a lot of suction, especially over 6 metres. Out of interest service station Diesel pumps will not pump even if there is the slightest air leak, where as petrol ones will, only with a tiny leak though. Different pumps will behave in different ways with a tiny suction leak, but most will fail to pump. Over such a long suction line distance you'll need the foot valve to keep it primed if you stop pumping. This has driven me mad on numerous occasions, we'd always have a pressure test rig with us so it was pretty easy to find the leak. [/QUOTE]
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Gold Prospecting
Prospecting Equipment
foot valves on Honda WX 15 suction hose
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