I set up factories that insufficient funds so plant pipe valve is used the ordinary valve, pipe pressure is relatively large, so often gives an issue, but no way, then no money installation is not good. Later earn money, I put all the valves are replaced with the Triple offset butterfly valve. This can be considered is to solve a lot of trouble, operation more smoothly, not only is my happy, employees also happy, after replacement of the triple offset butterfly valve, is for employees to save a lot of trouble. Way is had set up factories and the lack of experience, and secondly is the limited funds, or else a start I installed triple offset butterfly valve the.