What should be paid attention to in the maintenance of stainless steel cap?

　　There are many matters to be paid attention to when using and maintaining the stainless steel cap. Users need to use it according to certain methods and use and maintain it according to accurate and fair methods. Precautions are as follows:

　　1. The stainless steel cap stored for a long time shall be inspected on schedule. The exposed processing surfaces shall be kept clean, and the dirt shall be removed. They shall be stored in a clean and dry place indoors. Stacking or outdoor storage is strictly prohibited. Always keep the 4 Inch Butt Welded Sch80 Stainless Steel Cap dry and ventilated, keep the device clean and tidy, and store it according to the accurate storage method.

　　2. During installation, the stainless steel cap can be directly installed on the pipeline according to the connection mode, and installed according to the use position. In general, it can be installed at any position of the pipeline, but it is necessary to facilitate the inspection of operation. Note that the flow direction of the medium of the stop stainless steel cap should be upward under the longitudinal valve flap, and the stainless steel cap can only be installed horizontally. When installing the stainless steel cap, pay attention to the leakproofness to prevent spillage and affect the normal operation of the pipe.

　　3. When the ball valve, stop valve and gate valve with stainless steel cap are used, they are only used for full opening or full closing, and they are not allowed to be used for regulating flow, so as to avoid erosion of sealing surface and accelerated wear. The gate valve and the upper thread stop valve are provided with back sealing devices, and the hand wheel is screwed to the super upper position to prevent the medium from leaking from the packing.

　　4. Stainless steel cap shall be equipped with hand wheel. Do not use lever or other tools to avoid damage to valve parts. Turn the hand wheel clockwise to close, otherwise to open. Son ah should be fair in use, and ensure accurate use methods and means.

　　5. The bolts of the packing gland of the stainless steel cap shall be tightened evenly, and shall not be pressed into a skew state, so as to avoid being damaged and hindering the stem movement or causing leakage.

　　6. During the use of stainless steel cap, it should always be kept clean. The transmission thread must be lubricated on schedule. In case of any fault, it should stop using immediately and find out the cause to clear the fault.