Thread: Washdown pump & scupper help
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  #19  
Old 06-10-2008, 09:09 PM
seabob4 seabob4 is offline
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Join Date: May 2008
Location: Weeki Wachee (Home of the Mermaids), FL
Posts: 50
Default Re: Washdown pump & scupper help
I believe you all have reinvented what is called a "Joker" valve, some call it a "duckbill" valve. Sealand's Sani-Pump uses this on the discharge side. But I think the rubber glove is a lot cheaper...
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