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All About Pipe

All About Pipe Chart

Type Ease of Working Water Flow Efficiency Factor Fittings Needed Manner Usually Stocked Principal Uses Remarks
Recondition Couplings
Copper-Hard Easier to work with than galvanized. High Solder Connections. 20 ft. rigid lengths. Cut to size wanted Residential water supply Most common pipe sold
Copper-Soft Easier to work with than hard copper -bends readily by using a bending tool. Measuring a job easier. High Solder Connections, Flare Fittings 2 wall thicknesses: 'K' Thickest, 'L' Medium Coils usually soft Residential water supply Good for remodeling. Often a smaller diameter will suffice because of low friction coefficient
Easier than soft copper because it can be bent without a tool. Measuring job is easy Highest of all since there are no nipples, unions or elbows. Compression connections Coils Gas Supply Used in lieu of black pipe in new construction
Black pipe (or galvanized) Has to be threaded. More difficult to cut. Measurements for jobs must be exact. Lower than copper because nipple unions reduce water flow Screw on connections Rigid lengths up to 21 ft. Usually cut to size wanted Generally found in older homes Recommended if lines are in a location subject to impact
Plastic Pipe Can be cut with a saw or knife High Insert couplings, clamps; also by cement Rigid, semi-rigid-10 ft., 20 ft. lengths. Flexible For cold water installations. Used for well, sump Lightest of all; weighs about 1/8 of the weight of steel

Created on 10/11/2006 06:06 PM by Kathy
Updated on 10/14/2006 08:30 PM by Wayne
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