Gate valves and butterfly valves are used as switches to regulate the flow rate in pipeline use. Of course, there are still methods in the selection process of butterfly valves and gate valves.
In ...
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1. Principle of Y-strainer
Y-strainer is an indispensable Y-strainer device in the pipeline system for conveying fluid medium.
Y-strainers are usually installed at the inlet of pressure reducing va...
I. Principles for Selecting Butterfly Valves
1. Structure type selection
Center butterfly valve (center line type): The valve stem and butterfly disc are centrally symmetrical, with simple structur...
At this beautiful moment of saying goodbye to the old and welcoming the new, we stand hand in hand, standing at the intersection of time, looking back on the ups and downs of the past year, and loo...
The initial stage of the valve industry (1949-1959)
01Organize to serve the recovery of the national economy
The period from 1949 to 1952 was the period of my country’s national economic reco...