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Cork insulation; a complete illustrated textbook on cork insulation ...

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506 CORK INSULATION<br />

3. Ice Water Thickness, approximately <strong>on</strong>e and <strong>on</strong>e-half inches<br />

thick, is intended for use <strong>on</strong> refrigerated drinking water lines, liquid<br />

amm<strong>on</strong>ia lines and generally where temperatures of 25° F. and<br />

higher are carried.<br />

It is important, if satisfactory results are to be obtained, that the<br />

correct thickness of <strong>cork</strong> pipe covering be used in every instance.<br />

Must Be Properly Applied.—But it is also essential that <strong>cork</strong> pipe<br />

covering be properly applied if satisfactory results are to be obtained<br />

over a l<strong>on</strong>g period of years, and the following points must be kept<br />

firmly in mind when erecting the material.<br />

d lU J<br />

FIG. 223.—TYPE OF PIPE HANGER FOR CORK PIPE COVERING.<br />

Sj)acing of Lines.—All pipe lines and fittings should be erected<br />

and spaced so as to permit of the free applicati<strong>on</strong> of <strong>cork</strong> pipe covering<br />

without the necessity for the cutting away of the <str<strong>on</strong>g>insulati<strong>on</strong></str<strong>on</strong>g> in<br />

any way. Dimensi<strong>on</strong>s required for the proper spacing of pipe lines<br />

and fittings to receive <strong>cork</strong> pipe covering are as follows:<br />

Space Space<br />

Required Required<br />

Between Between Pipes<br />

Thickness of Covering Parallel and Adjacent<br />

Pipes Surfaces<br />

Brine Thickness<br />

Screwed Fittings up to and including 6 inch 8 6<br />

Screwed Fittings larger than 6 inch 14 8<br />

Flanged Fittings 14 8<br />

Special Thick Bri)ie<br />

Screwed Fittings up to and including 3 inch 10 8<br />

Screwed Fittings larger than 3 inch 18 12<br />

Flanged Fittings 18 12<br />

Ice Water Thickness<br />

Screwed Fittings up to and including 6 inch 6 4<br />

Screwed Fittings larger than 6 inch 10 5<br />

Flanged Fittings 10 5<br />

Preparati<strong>on</strong> of Lines.—<str<strong>on</strong>g>Cork</str<strong>on</strong>g> pipe covering must never be erected<br />

until all lines have been tested, made tight, cleaned of foreign matter,<br />

freed of frost and made perfectly dry.<br />

Pipe Hajigers and Shields.—All pipe hangers must be placed <strong>on</strong><br />

the outside of the <strong>cork</strong> pipe covering, and the <str<strong>on</strong>g>insulati<strong>on</strong></str<strong>on</strong>g> should be<br />

protected from each hanger by a sheet ir<strong>on</strong> shield shaped to fit the<br />

curvature of the covering and extending at least four inches <strong>on</strong> each<br />

side of the hanger and up the sides to the center of the pipe.

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