Round manway
P31-498 (DN430-DN595)
Stainless steel round manway Boyer series P31-498
Series includes: P31-498, P31-598, P31-698
The Boyer P31-498 round manway is the smallest one in the series, which includes a total of three items with opening diameters: 430, 500 i 595 mm.
All manways in this series are equipped with a double-hinged cover for quick and easy access.
The structural components of the manways are manufactured from stainless steels in AISI 304L and/or AISI 316L grades. Both the Boyer P31-498 circular manway and the other models included in this series belong to the group of highly versatile, hygienic circular manways, which are widely used in the food and related industries.
Round manways P31-498 - application
Round manways of the P31-498 series are installed in various types of non-pressure tanks and process equipment. The main areas of application for this manway model are:
- food and dairy industry,
- beverage and alcohol production industry,
- vegetable and fruit processing.
Due to its universal design and wide range of available sealing materials, this manway can also be used in the areas of:
- biotechnology,
- chemical industry,
- cosmetic industry and similar areas.
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] | MAX [bar] | Weight [kg] |
|---|---|---|---|---|---|---|---|
| P31-498 | 430 | 100 | 3 | 235 | 547 | 0.2 | 13.0 |
| P31-598 | 500 | 100 | 3 | 235 | 620 | 0.1 | 15.0 |
| P31-698 | 595 | 100 | 3 | 235 | 720 | 0.05 | 18.0 |
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 | DN300 - DN500, DN501 - 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, INOX |