Forged steel globe valve maintenance are generally in the open position when the state, maintenance of special circumstances, choose to close. Other valves can not be any open
1 hand wheel, lever operated valves can be installed in any position in the pipeline.2 hand wheels, handles and Wei moving body does not allow for lifting purposes.3 medium as
(1) according to different requirements, ammonia valve has many specifications. Most of the maximum inlet pressure, the minimum inlet pressure of not less than the outlet press
