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26 Cards in this Set
- Front
- Back
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What does Annealing mean |
To heat and then cool, which softens and makes the copper more flexible .compression fitt |
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What does compression fitting mean? |
A fitting designed to join tube by means of pressure or friction . This type of joint uses a ferrule and nuts. |
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What is flaring |
To spread the end of the tubing |
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What is hard temper tube? |
Generally recommend for exposed lines, such as hot or cold water supplies to fixtures or any lines suspended on hangers. The rigidity of hard temper tube resists sagging and deflection stresses between supports. |
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What is soft temper tube? |
Preferred for lines buried underground or laid in floors because of its flexibility.. uses a temperature below 575 degrees Celsius |
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What is the definition of a Copper pipe? |
It’s a pure material that is mined and purified to 99.7% purity before it is made to seamless tube or pipe . |
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What is an alloy? |
Two metals mixed together |
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What is the % in red brass? |
85% cooper and 15% zinc |
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What is the % in yellow brass? |
66% copper and 34% zinc |
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Red brass offers what? |
Better resistance to corrosion then yellow brass. |
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What is bronze mixed with? |
90% copper and 10 % tin |
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What is copper formed into? |
copper pipe copper tube copper tubbing |
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What does copper type k mean and the colour? |
has the thickest wall of all five types of copper tube.it comes in hard or temper coils. Colour is Green. |
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What does copper L mean and the colour? |
has a medium thickness and is available in the same nominal pipe sizes. Colour is blue. |
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what does copper type M mean and its colour? |
This tube does not bent, commonly used in residential and light commercial buildings. Colour red |
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what does Copper type H mean and colour? |
thin wall copper tube developed especially for hot water heating systems. Colour White. |
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what does DWV Copper mean and its colour? |
was developed especially for drainage,waste and vents. Colour is Yellow. |
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What is Cast Brass? |
Fittings made by pouring molten brass( usually yellow) into a mould. |
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What is a barstock? |
Fitting manufactured from a finished brass material so they have smooth yellow appearance. |
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what is a wrought copper |
Fittings made from bronze material used for compression or flare fittings. |
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what is soldering? |
a joining method in which two or more pieces of metal |
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What is a Flare Fitting? |
it create a strong connection that can be achieved with solder or compression fitting. |
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What are the 3 basic designs of flare fittings? |
the SAE 37 degress the SAE 45 degress the inverted flare |
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what does Capillary action mean? |
the flow of a liquid when it is drawn into the small opening between wetted surfaces. |
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what does eutectic composition mean? |
alloy compositions that melt at one temperature and not over a range. |
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50/50 solder is contained of what? |
50% tin and 50% lead |
