1). Sanitary valves should be placed in a dry and ventilated room, and both ends of the diameter must be sealed to prevent dust;
2). Long-term storage should be checked regularly and oiled on the processed surface to prevent rust;
3). Before installing the sanitary valve, carefully check whether the mark conforms to the requirements for use;
4). Clean the inner cavity and sealing surface during installation, check whether the packing is tightly pressed, and whether the connecting bolts are evenly tightened;
5). Sanitary valves should be installed in accordance with the allowable working position, but attention must be paid to the convenience of maintenance and operation;
6). During use, the sanitary gate valve must not be partially opened to adjust the flow rate, so as to avoid damage to the sealing surface when the medium flow rate is high, and it should be fully opened or fully closed;
7). It is not advisable to use other auxiliary levers to rotate the hand wheel when opening or closing;