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Compass Marine How To | all galleries >> Welcome To >> Rebuilding A Perko Bronze Sea Strainer > All The Pieces
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All The Pieces

All The Pieces


In Maine we get long winters, and it gives us plenty of time to do projects most others would put off until failure.

For years I have used these solid cast bronze sea strainers from Perko. Unlike many Perko products this particular item is very well designed, hefty and will last a lifetime with only the occasional rebuild consisting of three gaskets. I find it to be one of if not the best built strainers on the market today and have gone to the trouble of installing them on almost every boat I have owned. Fortunately this boat came with one already installed.

For this project I wanted to clean all the bronze pieces, polish the sight glass and replace all three gaskets. For cleaning I used brass brushes in my drill press & bench grinder and Scotch-Brite wheels on my Dremel tool. For polishing the glass I used Novus #2 & Novus #1.

Here you can see all the pieces disassembled and a new gasket kit, which is readily available from Hamilton Marine in Portland, ME.

Nikon D200
1/60s f/8.0 at 24.0mm iso100 full exif

other sizes: small medium large
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Parks17-Dec-2010 03:46
Thanks for the post. I hadn't thought of the basket handle blocking the inlet. I've seen a number of the top cap bolts break where the pin goes through them. This happens when the cap gasket gets old and people over tighten the wing nuts. I buy my strainer parts at
sv Shaula 21-Apr-2009 02:11
My 20 yr old sight glass had a crack, so needed replacement. It was in stock at Fisheries chandlery here in Seattle. The original filter came with a brass plug in the bottom, which soon started to crumble. I replaced it with a ss plug, which has lasted.