WebApr 15, 2024 · In copper to copper, none of these phosphorus/silver/copper rods need flux or even benefit from it. The phosphorus allows the rod to self-flux on copper. Flux, when overused, can get in the system and cause more harm than good. Flux is required when joining brass to copper using 15%; just make sure not to use too much flux. WebJan 24, 2024 · Sweating Copper Pipes With Water in the Line. Pipes and fittings must be completely dry before sweating copper pipes. If there’s any water near where you’re working, it’ll cause the joint to leak. Trust us, we’ve tried heating the water with the torch to boil it off. It doesn’t work. The steam just creates pin-holes in the solder.
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WebFind us on Amazon: www.lucasmilhaupt.com/shops/lucasmilhauptincMany manufacturers today—especially those in the HVAC/R, plumbing, and heat exchanger … WebSep 29, 2005 · Can't heat copper or brass for too long with a propane torch. Mapp gas or oxy/acetylene is another story. One suggestion for getting proper heat on all areas is to heat one side of the joint, and touch the solder wire to the other side, 180 degrees from your … philhealth 2021 rate
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WebMar 26, 2007 · Unions would work. If there is enough straight line prior to/after the valve, sweat the fitting to a length of tube, install in valve, and use a coupling to join the valve assembly. Depending on the length prior to the valve, wrap the fitting with a damp rag to protect the dope while sweating. I've never sweated a fitting with dope on it, so I ... WebNov 25, 2024 · It’s not necessary to heat the copper tube directly, because the fitting quickly conducts the heat to the tube inside the joint. When the temperature of the copper reaches the solder melting point, the solder … WebBrass simply needs more heat than copper for the solder to melt into the joint between the two metals. Brass fittings, such as shutoff valves, have valve stems on the side of the fitting, which have rubber or plastic parts … philhealth 2020 table