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post #1 of 10 Old 10-18-2015 Thread Starter
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Please ID this fitting

This is a picture of the deck fill on a Danish made Bianca. I should have also taken a picture of the inside but its basically a half thread so you just turn these 1/2 turn to close.

I need gaskets and now I need a new plug as one just cracked. I have never seen these before and need help identifying who the manufacturer is and/or who makes parts. Used ones would be fine too.
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post #2 of 10 Old 10-18-2015
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Re: Please ID this fitting

What year is the boat? That manufacturer may well be out of business.. is that a polar bear or? on the logo?

I think I'd take the original to a machine shop and have them spec it out (ie identify the thread at least) so that they might recreate it or give you enough info to find a compatible replacement.

In the end, though, it may make more sense to replace the whole thing.. they seem to be readily available for under $100.

http://www.go2marine.com/category/11...aps-fills.html

Ron

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Last edited by Faster; 10-18-2015 at 12:49 PM.
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post #3 of 10 Old 10-18-2015
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Re: Please ID this fitting

I assume you are referring to the o-ring that goes on this cap? O-rings are pretty standardized and you shouldn't have a lot of trouble coming up with one to fit it at an industrial tool and parts supplier. Even your local auto parts store might have what you need.
If, on the other hand it is a cork or fiber gasket you need, both the above mentioned stores should sell gasket material from which you can make a replacement very easily.

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post #4 of 10 Old 10-18-2015
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Re: Please ID this fitting

Huge selection of "O" rings at Home Depot.

Good luck,

Gary
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Re: Please ID this fitting

.. but he also said the cap is cracked... agree the oring is the easy part.

Ron

1984 Fast/Nicholson 345 "FastForward"

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post #6 of 10 Old 10-18-2015
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Re: Please ID this fitting

had the same one on my Soverel 33 fuel tank and tried to identify it. never did. takes a special square o ring and could not find one so I changed the the entire fitting.

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post #7 of 10 Old 10-18-2015 Thread Starter
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Re: Please ID this fitting

Thanks for all the replies. At first it was just the gasket that I needed. It was very difficult to replicate but did ok with some sheet rubber from McMaster. The original was a very soft "rubber" or maybe neoprene. It was about 1/8" thick and a 1/4" wide.

Now, as Faster said, the actual plug (center bit) cracked.

There are not threads per se. Just a plastic tang on each side that slope around on an angle (single thread of sorts) and that is received by the metal deck fitting which as a metal lip on the inner edge with two slots.

The closest I found found was on RigRites site Amiot Deck Fills. These Amiot look very similar but have threads where mine do not.

Yes I think its a walking Polar Bear.

I would very much like to keep the original fittings.
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post #8 of 10 Old 10-18-2015
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Re: Please ID this fitting

The cracked plug can probably be welded/repaired by a good metal working 'welder-artist'.

The 8-point (only 6 points are triangular, 2 are square) winch handle recess is probably poor design in that its possible to have only 2 of the triangular points in contact with the 'business end' of a winch handle. With only two points engaged it would be very easy to apply too much torque to 'cap' .... crack!
Id be sure that any winch handle is ONLY in full 4-point contact with this deck fill plug, not just 2 which is quite possible with this design.

O-rings are a dime a dozen from the internet. Measure the OD and ID of the O-ring recess in the 'housing' measure the apparent diameter of cross section of the O-ring .... all to the closest 0.003-0.005 inches or metric equivalent
Id recommend VITON o-rings, as with so-called bio-fuels, especially those made with 'reclaimed' cooking oil (sometimes added to 'regular' fuels by unscrupulous marketeers), as Neoprene/BunaN will soften, swell and grossly distort in contact with such 'bio-fuels'. You want the softness of the O-ring in the range of 50-70 'durometer'.
Try Amazon; if not, then McMaster-Carr, or a Parker O-ring distributor.
http://www.mcmaster.com/#o-rings/=zfbrpo --> multipurpose --> Viton

Last edited by RichH; 10-18-2015 at 07:19 PM.
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post #9 of 10 Old 10-18-2015
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Re: Please ID this fitting

Quote:
Originally Posted by RichH View Post

The 8-point (only 6 points are triangular, 2 are square) winch handle recess is probably poor design in that its possible to have only 2 of the triangular points in contact with the 'business end' of a winch handle. With only two points engaged it would be very easy to apply too much torque to 'cap' .... crack!
Id be sure that any winch handle is ONLY in full 4-point contact with this deck fill plug, not just 2 which is quite possible with this design.
Yes, that recess had me scratching my head. Not that I can claim to have seen a huge number of deck fills, but I've never seen anything like that, nor can I think why it was made that way unless to allow several types of "tools" to turn it.
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Re: Please ID this fitting

Quote:
Originally Posted by RichH View Post
The cracked plug can probably be welded/repaired by a good metal working 'welder-artist'.
Looks to me like the plug is plastic or nylon?

Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
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