Soldering Lead-Free Valves? Beware!

November 28, 2017

Are you planning to solder in a couple of dozen 1-1/2 inch brass control valves in that heating system you are installing in that high-rise building? Brass valves, of course, are castings and all the castings you buy today are lead-free. Does your journeyman who can solder a wrought 1-1/2 inch copper coupling with ease make the same quality joint when one side is a heavy-wall cast valve body? How about if the castings you bought are alloyed with silicon for machinability improvement rather than with bismuth?

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