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Unknown name brand old bronze castings


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Old 01-02-2017, 12:48:18 PM
Trainman III Trainman III is offline
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Default Unknown name brand old bronze castings

I found a box of very finely cast bronze castings under my dads work bench.
They are very similar to castings of model locomotive lead truck wheels.
But I'm sure they were designed for use in some manufacturing process.
There are two sizes. The larger one is 4-3/8 inch diameter and 1 inch wide. It has 5 spokes with a 5/8 inch NC threaded bolt with a mushroom head screwed into the hub.
There is a 1/4 inch square flange, a 1/8 inch square groove for probably an "O" ring seal next to it and a straight thread of 11-1/2 TPI on a 3-7/8 inch diameter "tire".
The mushroom headed bolt is 3-3/4 inches long.
It has a 2-1/2 inch diameter head with a 1-1/8 inch hex socket in it.
The smaller is 3-1/2 inch diameter and 1 inch wide, 5 spokes, with a 1/4 inch square flange and an 1/8 inch square groove next to the flange , for an "O" ring seal. The "tire" is 3-1/4 inch diameter with a straight threaded 11-1/2 TPI.
It has a 1/2 inch diameter NC threaded mushroom headed bolt 3-1/8 inches long.
The 1/2 inch diameter NC threaded mushroom headed blot head is 2-3/8 inch diameter with a 1 inch hex socket in it.
If anyone knows what these casting were made for I would greatly appreciate your comments.

Gregory C. Korner Sr.
Trainman III
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Old 01-02-2017, 01:08:57 PM
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Marv in Minn Marv in Minn is offline
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Default Re: Unknown name brand old bronze castings

they look like water pump check valves.
they would have a thick rubber disc loose on the stem.
the disc would float up when water came up through the spoked web
and seal when the plunger came back.

ref: the water pump/check valves on a Frisco Standard engine
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Old 01-03-2017, 09:11:55 AM
Trainman III Trainman III is offline
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Default Re: Unknown name brand old bronze castings

Marv,

I'm leaning towards something to do with fire fighting suction hose screens.
My dad was involved in a volunteer fire department for some time.
It seems that everything the fire departments use is polished.
It gives them something to do between runs.

The actual screen is missing from these fittings.
It seems like there is no way to connect the fitting except for the threaded end to a hose and no where else.
I need to find some body well versed on fire fighting pumper equipment.
Thanks anyway for your thoughts.
Gregory C. Korner Sr. Brookville, IN
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Old 01-03-2017, 09:14:49 AM
R Dunlap R Dunlap is offline
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Default Re: Unknown name brand old bronze castings

That is the bottom of a clapper valve. You are missing the spring and clapper. Could be brass or hard rubber
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Old 01-05-2017, 04:21:32 AM
Frank46 Frank46 is offline
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Default Re: Unknown name brand old bronze castings

Kinda looks like the valve bodies with the stems and threads that screwed into the liquid end of some of the fuel oil transfer pumps we had at our tank farm, all that is missing would be the flapper disks with the springs. Frank
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