Oval manway
A311 (305x430)
Oval manway A311
Oval manway A311 with compact and strong construction. It is mounted in the side wall of the tank as standard. It can also be used as a top manway. This model is manufactured from two grades of stainless steel - AISI 304/304L (standard), AISI 316 (optional).
An external hinge holds and stabilizes the cover when opened. A large plastic handwheel allows quick loosening and tightening of the cover. Standard handwheel can be replaced with a stainless steel option if necessary.
The use of stainless steel oval manway A311
The main areas of application are:
- food industry,
- beverage and alcohol production,
- chemical and biotechnology industries,
- all kinds of non-pressure tanks.
| Model | A [mm] | B [mm] | HxSP1 [mm] | HT [mm]* | SP2 [mm] | MAX [bar]* |
Weight [kg] |
|---|---|---|---|---|---|---|---|
| A311 | 305 | 430 |
60x6** 80x6 100x6 150x6 |
210 | 2.0 | 0.4 | 11.0 |
*For the standard version (HxSP1 = 60x6 mm).
**Standard version.
| Symbol | Element |
|---|---|
| V | handwheel |
| C | cover |
| G | gasket |
| T | frame |
| B | arm |
Technical parameters
| Product series | Series A |
|---|---|
| Size | M (longer manway side between 300-500 mm) |
| Shape | Oval manways |
| Type | Non-pressure manway |
| Frame height (in mm) | 60-150 mm |
| Frame wall thickness (in mm) | 6.0 mm |
| Opening type | Outward |
| Mounting method | in the tank roof (top manways), in the tank side wall (side 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, Viton |
| Handwheel material | Plastic, INOX |