Maintenance knowledge summary of medium frequency bending pipe
1.The ball valve, globe valve and gate valve of the intermediate frequency bend pipe shall be fully opened or fully closed when used. It is not allowed to adjust the flow rate.Gate valve and upper thread stop valve have reverse sealing device. Tighten handwheel to the top position to prevent the media from leaking from the packing.
2.The long-term storage medium frequency bend, should be timely check, often appear the processing surface should be clean, remove dirt, neatly stored in a dry indoor drafty place, it is strictly prohibited stacking or in open air.
3. The bolts of the stuffing gland of the intermediate frequency bend valve shall be tightened evenly, and shall not be pressed into an oblique state, so as to avoid collision, obstructing stem movement or causing leakage.
4. Use hand wheel for medium frequency bending pipe.Do not use lever or other tools to avoid damaging valve parts.The handwheel turns clockwise to be closed and vice versa. to ensure accurate use of methods and means. |
