1. What is casting
The liquid metal is poured into a mold cavity with a shape suitable for the part, and after it solidifies, a part product with a certain shape, size and surface quality is obtain...
The advantages and uses of the electric butterfly valve have:
Electric butterfly valve is a very common pipeline flow regulation device, which is widely used and involves many fields, such as the ...
Hard sealed butterfly valve:
Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...
In many parts of the world, desalination is ceasing to be a luxury, it is becoming a necessity. Lack of drinking water is the no. 1 factor adversely affecting health in areas without water security...
The lug butterfly valve is a quarter-turn valve used to control the flow of fluids. They are often used in industrial applications that require tight control of fluids. The valve consists of a meta...
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...