What is the manhole flange surface treatment method
Our factory has customers and often buy the manhole flange, what is the manhole flange? Large closed containers (tanks, towers, pipes), for maintenance or other need, will leave a hole for personnel or supplies, and the access is in the form of flange connection. Normally closed with a blind plate flange, and open during maintenance. This facility calls manhole flange manhole storage tanks, containers, equipment accessories, especially in dairy, pharmaceutical, chemical, brewing and other equipment are essential accessories.manhole flange different pressure requirements, the price is different, each manhole product has its advantages also has its shortcomings, such as oval manhole is open, with pressure resistance, this is suitable at the bottom of the tank, and often pressure circular manhole is only suitable for the top of the tank, is open, but does not have pressure, manhole flange surface treatment, manhole flange surface treatment is not only related to its appearance, especially some dairy equipment will affect its use. So its surface treatment is also a very important procedure for the production of the above. The surface treatment method of manhole flange is as follows: 1, inside and outside sublight: the relative requirements of live flange manhole are not so high, do not need to achieve the effect of mirror, only need to throw a little thick, the specific customer what requirements, to achieve what effect.2. Acid washing treatment: this kind of manhole French landish is used for industrial level above, the surface can be cleaned directly and acid clean, do not need other treatment, like many construction sites, commonly used this is more, the cost will be relatively reduced.3. Inside and outside mirror: this manhole flange is used for food, dairy machinery and other high-demand equipment, inside and outside bright, the surface is like a mirror, beautiful and smooth in appearance.
