Copper ball valve handle core broken with two ways to solve:
1, if the copper ball valve handle is not completely broken, you can use wire or tape wrapped;
2, copper ball valve handle serious breakage, the first use a vise to rotate the broken valve handle. If the rotation is difficult, you can drip lubricant in the interface parts, after a few minutes, and then clamped in a vise on the valve stem, rotate it open, and then install a new valve handle.