Maintenance method of pipe bend

　　1. The inserted pipe bend should be checked as scheduled, and the exposed processing surface must always be cleaned, cleaned of dirt, and placed neatly in a ventilated and dry place indoors. It is forbidden to stack or place it in the open air. Always adhere to the dryness and ventilation of the pipe bend, keep the device clean and tidy, and place it according to the precise placement method.

　　2. When equipment is used, the pipe bend can be directly installed on the wire according to the connection method, and the equipment can be carried out according to the application direction. Under normal circumstances, the equipment can be in the vertical direction, but it is necessary to use the operation inspection, pay attention to the end of the pipe bend medium flow direction should be upwards under the longitudinal valve disc, the pipe bend can only be horizontal equipment. When the pipe bend is in the equipment, pay attention to the tightness to avoid leakage and affect the normal operation of the pipeline.

　　3. The pipe bend ball valve, stop valve, and gate valve are only used for fully open or fully closed when used, and are not allowed to be used for flow adjustment to avoid erosion of the sealing surface and accelerate wear. For sealing equipment, turn the handwheel to the uppermost position and tighten it to prevent the medium from leaking from the packing.