Selection of copper valves: 1. Based on the selection of control functions, all kinds of valves have their own functions, the selection should pay attention to its corresponding function.
2. According to the conditions of selection, the commonly used valve technical parameters include pressure, the maximum allowable working pressure, the working temperature (minimum and maximum temperature) and the medium (corrosive, flammable), the selection should pay attention to the above parameters and conditions The technical parameters of the valve match.
3. According to the device structure selection. Pipe system of the device structure pipe thread, flange, ferrule, welding, hoses and so on. Therefore, the construction of the valve device is necessary with the pipe structure consistent with the device, and the standard to be consistent.
Tianjin Railway Station Group Co., Ltd. was founded in 1976, is a collection of scientific research, production, sales, import and export business as one of the company. Company is located in Tianjin Jinnan District Station East Station, covering 300,000 square meters, construction area of ​​170,000 square meters, the total assets of 500 million yuan, annual sales income of more than 1 billion yuan. The company east of Tianjin Binhai New Area, south of Dagang Oilfield, north of Tianjin Binhai International Airport, and was surrounded by a number of highway east and west. Company-owned railway line, cargo transport convenient, superior geographical environment.
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