Butterfly butterfly valve installed in the pipe diameter direction. In the butterfly valve body cylindrical channel, the disc-shaped disc rotates about the axis, the rotation angle is between 0 ° ~ 90 °, when rotated to 90 °, the valve is fully open state card. Butterfly valve structure is simple, small size, light weight, only a few components. And just turn 90 ° to quickly open and close, easy to operate, while the valve has good fluid control features. When the butterfly valve is fully open, the thickness of the disc is the only resistance to the flow of the medium through the valve body, so the pressure drop across the valve is small and therefore has good flow control characteristics. Butterfly valve seal and metal seal two types of seal. Flexible sealing valves, seals can be embedded in the body or attached to the butterfly plate around. Valves with metal seals generally have a longer life than elastomeric valves, but are harder to seal completely. Metal seals can adapt to higher operating temperatures, while flexible seals have temperature-limited defects. If the butterfly valve is required to be used as a flow control, the main choice is the correct size and type of valve. The structural principle of the butterfly valve is especially suitable for making large diameter valves. Butterfly valve not only in the oil, gas, chemicals, water treatment and other general industry has been widely used, but also used in thermal power station cooling water system. Commonly used butterfly valve clamp butterfly valve and flange two. The butterfly valve on the folder is to use double-headed bolts to connect the valve between the two pipe flanges, flanged butterfly valve is equipped with a flange on the valve, with bolts on both sides of the valve flange connected to the pipe flange.
Plating Process Tanks
Most of the materials of the tanks are: PP material, PVC material, PVDF material, FRP tank material, stainless steel tank material, granite material, polytetrafluoroethylene material (can be used in any acid), etc. Tanks of various materials.
What are the types of plating tanks in the electroplating process?The structure of the plating tank varies according to the production situation and the nature of the process. Nowadays, the commonly used plating tanks mainly have the following structural forms:
Cold water tank, hot water tank, acid solution plating tank, electrochemical degreasing tank and alkaline plating tank, chemical degreasing tank (alkali tank), mobile cathode electroplating tank, chrome plating tank(Can be made into rectangular or cylindrical shape according to the purpose).
There are many types of electroplating tanks. The above are several commonly used electroplating tank structures. For large-sized tanks, the structural strength should be strengthened according to the actual situation.
Plating Process Tanks,Tanks Of Plating Plant,Acid Copper Tank,Management Tanks Of Plating Line
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