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Maintenance method of elbow

2022-06-20 10:49:49   COMMENT:0 HITS:
  1. Elbows stored for a long time shall be inspected regularly. The exposed processing surface shall be kept clean, dirt shall be removed, and stored neatly in a ventilated and dry place indoors. Stacking or outdoor storage is strictly prohibited. Always keep the elbow dry and ventilated, keep the device clean and tidy, and store it according to accurate storage methods.

  2. During installation, the elbow can be directly installed on the pipeline according to the connection mode and installed according to the use position. Generally, it can be installed at any position of the pipeline, but it needs to be easy to operate. Note that the medium flow direction of the stop elbow should be upward under the longitudinal valve disc, and the elbow can only be installed horizontally. Pay attention to the tightness of elbow during installation to prevent leakage and affect the normal operation of pipeline.

  3. When the ball valve, stop valve and gate valve of elbow are used, they are only fully open or fully closed, and are not allowed to adjust the flow, so as to avoid erosion of the sealing surface and accelerated wear. There is a reverse sealing device in the gate valve and upper thread stop valve. The hand wheel is screwed to the top position to prevent the medium from leaking from the packing.

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