Stainless Steel Sanitary Tank Manway
- Model:
- JOF-MHS002
- Brand:
- J&O
- Material:
- SS304/SS316L
- Connection:
- Weld
- Gasket:
- EPDM / Silicon / NBR / FKM
- Payment:
- T/T, L/C, Western Union
A stainless steel manway is a sealed access opening used for inspection, cleaning, maintenance, and internal access to a storage or process vessel. Its suitability depends on the opening dimensions, cover geometry, gasket compatibility, surface finish, and specified pressure or vacuum rating. Selecting these features together supports reliable sealing and appropriate sanitary performance.
Stainless steel manways for tanks are available in square, rectangular, oval, and circular configurations. A square cover may suit a rectangular access opening, while the final choice depends on available clearance, vessel construction, and whether the cover opens inward or outward. Welded installation also requires the neck dimensions and tank opening to match the fabrication drawing.
Material and Seal Compatibility
A stainless manway made from SS304 or SS316L should be selected according to the process medium and corrosion exposure. The listed construction options include silicone, EPDM, NBR, and Viton seals. For the EPDM configuration, the stated operating temperature range is -10°C to +120°C. Actual limits depend on the selected gasket and service conditions.
| Selection factor | What to verify | Why it matters |
|---|---|---|
| Steel grade | Medium composition and corrosion exposure | Supports material compatibility |
| Surface finish | Specified roughness of wetted surfaces | Affects cleaning and residue retention |
| Gasket material | Chemical compatibility and temperature | Supports sealing reliability |
| Cover design | Opening direction and available clearance | Prevents installation conflicts |
| Pressure rating | Exact model rating and operating conditions | Protects vessel integrity |
Hygienic Design and Pressure Requirements
Sanitary tank manways require more than a polished exterior. The wetted surface finish, gasket contact area, weld quality, and cleaning procedure all affect hygienic performance. A listed surface finish of Ra≤0.8 and available standards such as 3A, SMS, DIN, RJT, or IDF should be matched to the actual model and project requirements.
Pressure-rated, non-pressure, and vacuum-resistant designs are not interchangeable. Before installation, the cover's rated conditions, opening direction, gasket compression, and connection dimensions should be checked against the vessel specification. CIP or SIP suitability should also be confirmed rather than assumed from stainless steel construction alone.
Confirm Manway Fit Before Ordering
A suitable stainless steel manway should match the tank opening, operating pressure, gasket material, and cleaning process. Confirm the dimensional drawing and model-specific ratings before ordering to reduce installation issues and support reliable sealing.
Technical Data
| Material: | SS304 or SS316L |
| Standard: | 3A, SMS, DIN, RJT, IDF |
| 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


