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butterfly valve installation with flange welding 2012-05-21
When butterfly valves are to be installed between welding type flanges, care should be taken to ensure no damage will occur to the seat
two kinds of butterfly valves 2012-05-17
two kinds of butterfly valves, one is double-offset butterfly valve, another is triple-offset butterfly valve.
butterfly valves can be used in many industries 2012-05-16
This butterfly valve is specifically used in large pipes, and is described as a disk rotating on a diametrical axis inside a pipe, also used as a throttle valve or a damper.
Installation and maintenance of electric butterfly valve 2012-05-15
Installation and maintenance of electric butterfly valve should note something.
butterfly valve in the opening 2012-05-14
Butterfly valve in the opening, the valve body and disc shape of the front-end to form an opening to the valve shaft as the center, on both sides to complete the formation of different states
butterfly regulator valves are extensively used in dusty cold or hot gas pipes 2012-05-11
butterfly regulator valves are extensively used in dusty cold or hot gas pipes
