Round manway
P42-020 (DN490)
Stainless steel round manway Boyer series P42-020
Series includes: P42-020, P42-020/70
Round manway Boyer P42-020 is designed specifically for installation in cement/concrete tanks. The manway frame allows concrete to be poured around it and connect therefore to the tank wall. The manway cover is equipped with two handles for easy cover removal and four clamps located around the edge.
Manway components are manufactured from stainless steels in grades AISI 304L and/or AISI 316L. They are successfully used in food, cosmetics, biotechnology and related industries.
Round manways P42-020 - application
Round manway P42-020 is installed in various types of non-pressure concrete/cement tanks and other types of structures made of this material. The main areas of application of this manway model are:
- food production industry,
- vegetable and fruit processing,
- concrete/cement tanks for different purposes.
About Boyer products
Products of the French manufacturer Boyer guarantee the highest quality of construction and durability. Attention to every detail in the production process results in extremely high resistance, comfort of use and beautiful design of the manways.
They are excellent for applications where it is necessary to use a product that meets the highest standards. For this reason, Boyer brand manways are among the most popular in Europe.
| Model | A (DN) [mm] | C [mm] | E [mm] | B [mm] | D [mm] | Handwheels | MAX [bar] | Weight [kg] |
|---|---|---|---|---|---|---|---|---|
| P42-020 | 490 | 70 | 3 | 123 | 694 | 4 | 0.1 | 8.0 |
| P42-020/70 | 490 | 70 | 3 | 123 | 694 | 4 | 0.1 | 9.0 |
Technical parameters
| Product series | Boyer |
|---|---|
| Shape | Round manways |
| Type | Non-pressure manway |
| Frame height (in mm) | 70 mm |
| Frame wall thickness (in mm) | 3.0 mm |
| Opening type | Outward |
| Size | DN300 - DN500 |
| Mounting method | in the tank roof (top manways) |
| Pressure | below 0.5 bar |
| Vacuum pressure | not applicable |
| PED certificate | no |
| Steel grade | AISI 304/304L, AISI 316/316L, Other |
| Gasket material | EPDM, NBR, Neoprene, Silicone, Silicone (high temperature - up to 250°C), Viton, Other |
| Handwheel material | INOX, Other |