When the valve is installed on the horizontal pipe, the ball valve, valve stem, globe valve stem, butterfly valve stem and other direction can go down? People stand under the action. Higher pipe
The ball valve and butterfly valve stem can be level downward, the installation angle is unrestricted. Globe valves are mounted horizontally or vertically.
To the first party to do, or as requested, the handle is not down, easy to pass the acceptance. Operation is inconvenient, can add chain wheel or add operation platform.
Traditionally, the handle is not allowed to go down. Now the advanced processing technology, down there is no problem.How to transform the factory itself, how to facilitate the operation of how to install.
