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Rifles, Reloading, Optics, Equipment
Gunsmithing
Air Compressor - Piping for Gunsmithing Equipment
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<blockquote data-quote="Mmac52280" data-source="post: 2534631" data-attributes="member: 120230"><p>Not exactly true. I use Harris Brigit solder, even on Freon lines. I have almost 40 years experience in HVAC, and Harris shows that field brazing copper actually weakened it. Using Brigit, a copper joint held up to 5,000 psi. The joint, not the pipe. Soldering is easy, but there are two common mistakes. Too much heat, and you burn the flux. Brigit flux has a higher burn temp, around 800 degrees. Using too much solder is the other mistake as it washes out the flux. If solder is dripping on the floor, that's using too much. We use copper everywhere. Indoors, outdoors, underground even. Water, AC lines, boiler water lines, even for Propane gas lines. Not permitted to use for Natural gas lines, The added odor to natural gas is acidic. For air systems, we ran 2" black pipe main lines, a brass adapter must be used when reducing to and running copper. The brass prevents corrosion from connecting copper to steel. If your house is plumbed in copper, and it connects to the water heater directly, that's wrong. Drops were 3/4". A 3/4" line can then be reduced to two 1/2" or three 3/8" lines without a loss of volume, air or water.</p></blockquote><p></p>
[QUOTE="Mmac52280, post: 2534631, member: 120230"] Not exactly true. I use Harris Brigit solder, even on Freon lines. I have almost 40 years experience in HVAC, and Harris shows that field brazing copper actually weakened it. Using Brigit, a copper joint held up to 5,000 psi. The joint, not the pipe. Soldering is easy, but there are two common mistakes. Too much heat, and you burn the flux. Brigit flux has a higher burn temp, around 800 degrees. Using too much solder is the other mistake as it washes out the flux. If solder is dripping on the floor, that's using too much. We use copper everywhere. Indoors, outdoors, underground even. Water, AC lines, boiler water lines, even for Propane gas lines. Not permitted to use for Natural gas lines, The added odor to natural gas is acidic. For air systems, we ran 2" black pipe main lines, a brass adapter must be used when reducing to and running copper. The brass prevents corrosion from connecting copper to steel. If your house is plumbed in copper, and it connects to the water heater directly, that's wrong. Drops were 3/4". A 3/4" line can then be reduced to two 1/2" or three 3/8" lines without a loss of volume, air or water. [/QUOTE]
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Air Compressor - Piping for Gunsmithing Equipment
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