Round manway
P31-080 (DN790)
Stainless steel round manway Boyer series P31-080
Series includes: P31-080, P31-081
Round manway Boyer P31-080, -081 with an opening diameter of 790 mm is equipped with a cover with two handles and a special closing system. The handles make it easy to lift and move the cover, while the quick-closing system improves daily operation. The surfaces of the cover and the frame (flange) are electropolished as standard to achieve an extremely smooth structure to prevent adhesion of working medium particles.
The structural elements of the manway are manufactured from stainless steels in AISI 304L or AISI 316L grades. Boyer P31-080 round manway is most often installed in tanks and process equipment used in pharmaceutical, biotechnology and related industries.
Round manways P31-080 - application
Round manways of the series P31-080 are installed in various types of non-pressure tanks and process equipment. The main areas of application for this manway model are:
-
pharmaceutical and biotechnology industry,
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production of cosmetics, supplements, etc.
Due to its universal design and wide range of available sealing materials, this manway can also be used in the areas of:
- food and dairy industry,
- beverage and alcohol production industry,
- vegetable and fruit processing.
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] |
|---|---|---|---|---|---|---|---|---|
| P31-080 | 790 | 100 | 3 | 170 | 884 | 8 | 0.1 | 25.0 |
| P31-081 | 790 | 100 | 3 | 170 | 928 | 8 | 0.1 | 25.0 |
Technical parameters
| Product series | Boyer |
|---|---|
| Shape | Round manways |
| Type | Non-pressure manway |
| Frame height (in mm) | 100 mm |
| Frame wall thickness (in mm) | 3.0 mm |
| Opening type | Outward |
| Size | above DN700 |
| 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 |
| Gasket material | EPDM, NBR, Neoprene, Silicone, Silicone (high temperature - up to 250°C), Viton, Other |
| Handwheel material | Plastic, Other |