1, Before install the butterfly valve,it is wise to confirm the performance and arrow of medium flow in line with the movement condition, and clean the valve plug cavity, the board is not allowed in the ring and the butterfly are impurities with a foreign body, Butterfly Valvesit is absolutely not allowed to close the butterfly before clearing to avoid damaging the ring of seals.

2, The disc supporting flange plate installed special flange butterfly valve is recommended,that is HGJ54-91 type socket welding steel flange.

3, Installed in the pipeline location, the best location for the stand installed, but can not flip.

4, It need to adjust the flow with gear box in service.

5, If open and close the butterfly valve more frequently, in two months or so, Safety valves open the worm wheel cover, and check the butter is normalto maintain the right amount of butter.

6, Check the connection parts for the requirements of compaction, it is to ensure the tightness of the padding, but also to ensure the stem rotation flexibly.

7, Metal sealed butterfly valve products are not suitable for installation in the pipeline at the end, if it must be installed in the end of the pipe,MUD VALVES it is wise to be equipped with outlet flange to prevent the seals backlog, over bit.

8, It need to check the using effect of butterfly valve regularly, if find any fault, please eliminate the fault timely.

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