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Old 11-10-2016, 08:22   #16
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Re: yet another bilge pump check valve idea

At IBEX last week I saw a new Rule pump on display ( not on their site yet) but it had a duck bill valve on its outlet. Not sure I've ever seen that in a factory bilge pump before.
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Old 11-10-2016, 08:42   #17
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Re: yet another bilge pump check valve idea

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Originally Posted by knockabout View Post
a good quality sponge $3 and bucket $2 from coles / method: place sponge in water allow to absorb water wring into bucket / repeat until bilge is dry / return the clean sea water over the side / check discharging regulations for your area some places have huge fines if the slightest rainbow film is noticed after discharge / if you have a bilge blower the tiny bit of run back usually caused by worn or contaminated bilge pump foot valve will evaporate
My bilge is about 5 feet below the cabin sole. The easy access opening shows me the top of the encapsulated lead and the fuel tank. To access the bottom of the keel I have to move the companion way stairs. Its heavy and big and hard to get far enough out of the way to do anything.
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Old 11-10-2016, 16:10   #18
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Re: yet another bilge pump check valve idea

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At IBEX last week I saw a new Rule pump on display ( not on their site yet) but it had a duck bill valve on its outlet. Not sure I've ever seen that in a factory bilge pump before.
Common enough on some pump deigns. Just don't add one to a bilge pump.
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Old 12-10-2016, 10:39   #19
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Re: yet another bilge pump check valve idea

robwilk37, I think you have a good idea even if adding another maintenance check item. Just make sure your pump can handle some scum, etc. without using that dinky little filter in the Dry Bilge System. You may have to use a real water filter to protect the pump. A diaphragm pump will leak back if there is any hair or other fibrous material stuck in the diaphragm.
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