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1. Copper gate valve: A gate valve is a valve in which the closing member (gate) moves in the vertical direction of the channel axis. It is mainly used as a cutting medium on the pipeline, that is, fully open or fully closed. 2.Bronze ball valve: It is evolved from a plug valve. Its opening and ...

Maintenance of copper valve packing 1. The packing is directly related to the key seal whether leakage occurs when the copper valve is opened and closed. If the packing fails, causing leakage, the valve is equivalent to failure, especially for the valve of the urea pipeline, because its temperat...

Taking care of the bad: The copper fittings were not taken into consideration in the furniture design process, and the size of the copper fittings was ignored, and how to install them, so that the furniture was "covered with water and difficult to receive" after molding, which caused difficulties...