Remove the union nuts and end connectors from the valve cartridge first.
首先从阀芯上拆卸管接头螺母和端口连接件。
Fittings for domestic installation malleable cast iron union nuts
家用安装设备配件。可锻铸铁连接螺母
Reinstall the valve body and union nuts only after the joint has fully cured.
只有在连接完全成功粘固后，才能够重新安装阀门阀体。
Screw union nuts by hand as far as possible.
用手将联管螺母尽可能地拧紧。
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