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1·Solder end valves are designed to be soft soldered into lines without disassembly, using a low temperature solder (400of) (204oc).

焊接端口阀门适用于不需要拆卸的软焊接管线，采用低温焊料(204oc)。

2·The invention relates to a nonresinous solder paste made of a metal powder, especially soft solder, and a gel which leaves no residues on the metal surface when the metal powder is melted down.

根据本发明，不含树脂的焊膏由一种金属粉末，特别是软焊料 和一种凝胶体制成，其中，根据本发明的凝胶体在重熔金属粉末的过 程中，不在金属表面上留下残留物。