2018年9月28日星期五

How to maintain stainless steel elbow?

1. Stainless steel elbows that have been stored for a long time should be inspected regularly. The exposed surfaces should be kept clean, dirt removed, and stored neatly in a ventilated and dry place indoors. No stacking or open storage is allowed. Often keep stainless steel elbows dry and ventilated, keep the cleaner and tidy, in accordance with the accurate storage method.
  2. When installing, stainless steel elbow can be connected directly to the pipeline and installed according to the position used. In general, it can be installed at any position in the pipeline, but it needs to be easy to control the inspection, pay attention to cut off the flow of medium in stainless steel elbow should be downstream longitudinal valve disc, Butt Weld 90 Degree Stainless Steel Pipe Fittings Elbow can only be installed horizontally. Stainless steel elbow in the installation should pay attention to sealing, to prevent flooding leakage, affecting the normal operation of the pipeline.
  3. When using ball valves, globe valves and gate valves with stainless steel elbows, they are only fully open or closed. They are not allowed to regulate the flow rate so as to avoid erosion of the sealing surface and accelerate wear and tear. The gate valve and the upper threaded globe valve are provided with an inverted sealing device, and the handwheel is turned to tighten at the uppermost position to prevent the medium from leaking from the packing.
  4. Apply the handwheel to the stainless steel elbow, do not use lever or other tools to avoid damaging the valve parts. The handwheel is clockwise rotated to be closed and vice versa. Son, fair use, ensure accurate use of methods and means.
  5. Stainless steel elbow valve packing cap bolts should be tightened evenly, should not be pressed into a crooked state, in order to avoid damage to hinder stem movement or cause leakage.
  6. Stainless steel elbows should always be kept clean during use. Transmission threads must be lubricated on schedule. When faults are found, the elbows should be stopped immediately to find out the causes and remove the faults.

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