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Old 22-03-2010, 18:36   #1
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'Hagane' Update 03-22-10 Raw Water Manifold

Well, while I have been in stasis with the deck construction, I have not been idle.

I wanted to have a single point of inlet for all of my raw water, and lucky for me, the previous owner had the same idea. Unfortunately he also wanted to use the raw water intake as a drain for the cockpit, but that is another story.

In order to properly distribute the water to what needs it, Engine, Head, and Washdown pump I would need some sort of manifold. I toyed with using pipe with tee sections and nipples all connected togeather, but frankly the possibility of leakage was too much. In the end I cast out to the wonderous Internet Genie to grant my wish.....

I received quotes from as much as $250 to $100 to make a manifold that I wanted. The specs were quite simple...

316 Stainless Steel construction.
One 1-1/2" npt threaded inlet port.
Four 3/4" npt threaded outlet ports. (Engine, Head, Washdown, Spare)
Mounting tabs

In the end I was nearly at the point of buying material and fabricating the thing myself when the Internet Genie came through!

I found a company called "Affordable Custom Manifolds" Home - Affordable Custom Manifolds (no affiliation whatsoever), who advertised stainless steel manifolds for $10 per outlet port. I double-checked the advertisement again to find the fine print, but it still read $10 per outlet port.

I figured that I had nothing to loose, so I filled out their on-line form, and requested a quote. The next business day I received an email from Affordable Custom Manifolds with an attached drawing and written quote for $40. The drawing was not exactly what I wanted, but one quick phone call to them and we straightened out the design. The quote and design were resent in minutes, and I confirmed that it was as I desired. We settled on shipping and handling, (an extra $15 for UPS service), and I sent them off a USPS Money Order for $55. Two days later I received an email confirming that they had received the payment, and my manifold should be ready to ship in 5 business days.

So far this was all going WAY too smooth.

In the menatime I have been procuring all of the bits that will be attached to said manifold.....

I already had a 1-1/2" bronze seacock coutersey of eBay, and I put the internet marketplace to work again...

3/4" 316 SS ball valves...
3/4" 316 SS nipple fittings...
3/4" 316 SS hose barbs...
1-1/2" 316 SS hose barb...




All I have left is the water strainer which will fit between the seacock and the manifold, and also the hoses.

The manifold shipped on the 7th day after placing the order, and I received it today, 3 business days later via UPS.


The ports are spaced on 2-1/2" centers.


Everything is stainless except for the mounting tabs which are mild steel but that is not a problem as the whole thing will be painted and bolted to a steel frame anyway. The finish is blasted, all the better for painting.


I mounted the valves at a slight angle so that the handles would not interfere with each other. The valves also have staggered lenght nipple fittings so that they get more clearance.


Here is the completed assembly ready for mounting and hoses, it is difficult to see in this photo, but I stamped an "E", "W", and "H" over the left three ports to designate Engine, Washdown, and Head. I will drill and tap one of the manifold ends so that I can install a zinc anode plug like those used in engines to prevent any electrolosis between the stainless fittings and any bronze or steel engine fittings.


All in all I am very happy with how it came out, now I can control all of the raw water flow from one source and strain it all as soon as it comes in the boat. Of course I will have finer strainers protecting the engine and washdown pumps. I am also toying with the idea of installing a 3-way valve before the strainer to allow all of the raw water devices to act as backup bilge pumps, but that may come later.
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Old 23-03-2010, 01:08   #2
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Excellent thread rustypirate...I cant believe the price of the manifold.
Great pictures.
Thanks
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Old 23-03-2010, 02:12   #3
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Super job...well done!
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Old 23-03-2010, 04:07   #4
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Old 23-03-2010, 06:22   #5
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Thanks for the comments, I always like to share a good deal when I find one.
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Old 23-03-2010, 19:40   #6
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Thats a nice piece o kit you got made up there. I'll be adding that company to my rollodex tonite.

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