When selecting round sanitary manhole, the following points should be paid attention to

1, should fully understand the specifications of manholes nominal size, standard, permitted to use after the approval of the manhole can be selected suitable for the corresponding requirements;

2. Confirm the applicable medium, working pressure and temperature of the manhole, or select the corresponding manhole style and material according to the specific working conditions of the medium;

3. Determine the material of the manhole body: 304 stainless steel, 316L stainless steel, etc.

4. Determine whether manholes need special attention: such as temperature resistance, corrosion resistance and height requirements of barrel joints, etc.

5, in the use of sanitary manhole, supporting the use of the visual mirror, need to confirm the medium, pressure requirements, and explosion-proof, anti-corrosion and so on.