Stainless Steel Manway Lids Sanitary Tank Manways
- Model:
- JOF-MHRWSG
- Brand:
- J&O
- Material:
- SS304/SS316L
- Connection:
- Weld
- Gasket:
- EPDM / Silicon / NBR / FKM
- Code:
- JOF-MHRWSG
- Operation:
- Manual
- Payment:
- T/T, L/C, Western Union
A stainless steel manway with an integrated sight glass provides sanitary tank access and internal visual inspection through one round assembly. It suits non-pressurized tanks used for storage, mixing, fermentation, and process handling. The sight glass allows interior observation without opening the main cover, while the sanitary construction supports routine cleaning and inspection.
How a Round Manway Supports Tank Access
A stainless manway creates a sealed opening for personnel access, cleaning, inspection, or maintenance. A welded connection can integrate the assembly into the tank wall, while the round cover provides a practical opening shape for sanitary vessel construction.
The cover and sealing area should match the tank opening and gasket arrangement. For sanitary service, smooth contact surfaces and controlled gasket compression reduce areas where residue can remain after cleaning cycles.
Sight Glass Function During Tank Inspection
The integrated sight glass adds visual access without requiring repeated removal of the cover. This can allow operators to observe liquid level, product condition, or cleaning progress during routine process checks.
| Design feature | Practical function |
|---|---|
| Round access geometry | Fits common circular tank openings |
| Integrated viewing section | Permits visual inspection through the closed assembly |
| Welded vessel connection | Provides fixed integration with the tank |
| Replaceable gasket interface | Allows sealing material to match process conditions |
| Smooth sanitary surfaces | Reduce locations where residue can accumulate |
Sanitary Tank Manways and Cleaning Conditions
Sanitary tank manways require attention to the vessel opening, gasket material, internal finish, and cleaning procedure. EPDM, Silicone, NBR, and FKM can be used for different process and temperature requirements, so compatibility should be checked against the actual medium and cleaning cycle.
The sight glass also changes the inspection method. Instead of removing the cover for every visual check, internal conditions can be viewed through the glass. This can reduce unnecessary opening of the vessel during routine operation and cleaning.
Pressure and Installation Boundaries
Stainless steel manway lids should not be treated as pressure components unless the selected design has a documented pressure or vacuum rating. The sanitary round configuration discussed here is intended for non-pressurized tanks. Installation should account for vessel geometry, opening dimensions, sealing requirements, and the intended cleaning process.
Technical Data
| Material: | SS304 or SS316L |
| Size: | 300mm-600mm |
| Height: | 100mm |
| Thickness: | 3mm |
| Handle Material : | Stainless steel and plastic |
| Seal Material: | Silicone, EPDM, Viton, NBR |
| Surface Finishing: | Ra≤0.8 |
| Working Temperature: | -10 degree to +120 degree (EPDM) |
| Packing Details: | Carton box,plywood case or customized |
Product Parameter


