National Fireproofing Corporation Pipe Fittings

National Fireproofing Corporation Pipe Fittings 2 6-22-17.JPGNational Fireproofing Corporation Pipe Fittings 3 6-22-17.JPGLocation found: Haydenville, Ohio, 6/22/17

Weight:

Small: 11.5oz, 11.7oz, 11.4oz, 10.8oz.

Large: 13.1oz, 13.8oz.

Dimensions:

Small:

Inner diameter: 3 1/4in

Outer diameter: 4 3/4in

Large:

Inner diameter: 3 1/2in

Outer diameter: 5in

Manufactured by National Fireproofing Corporation, also known as NATCO, in Haydenville between 1906 and 1958. NATCO existed in Haydenville Ohio from 1906, when they purchased Haydenville Mining & Manufacturing Company. They re-branded from National fireproofing corporation, to NATCO in the 1930’s. For more information on NATCO, see Haydenville Company History.

These pipe fittings went with the other conduits made by NATCO. They were made by cutting the drain tile into slices before putting it in the kilns. Here is the type of conduit they were intended to be used with: NATCO Conduit 90° Drain Tile.

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