Stainless Steel Sanitary Inward Opening Elliptical Manway Manhole

The stainless steel sanitary inward opening elliptical manway manhole is designed to provide secure and hygienic access to tanks and vessels used in sanitary processing systems. Its inward-opening structure allows for convenient inspection, cleaning, and maintenance while maintaining reliable sealing performance during operation.

Manufactured from high-quality stainless steel (SS304 or SS316L), this manway offers excellent corrosion resistance, durable construction, and compliance with strict sanitary standards required in hygienic industries. The smooth polished surfaces help reduce contamination risks and support efficient cleaning procedures.

Sanitary inward elliptical manway manholes are widely used in food processing, beverage production, dairy systems, pharmaceutical manufacturing, biotechnology facilities, and other hygienic processing environments, where safe tank access and sanitary design are essential.

Product Name
430 × 330mm SS304 Sanitary Stainless Steel Inward Elliptical Manhole

Material
Contact parts: AISI304 / AISI316L
Other parts: AISI304

Pressure
Standard pressure: 1–3 bar

Welding Size
430 × 330 mm
530 × 430 mm
635 × 525 mm
(Custom sizes available upon request)

Height
Standard 100 mm (customizable)

Wall Thickness of Neck
Standard 3 mm (customizable)

Wall Thickness of Cover
Standard 8 mm / 10 mm (customizable)

Gasket Material
Silicone, EPDM, NBR, PTFE

Internal Surface Finish
Ra 0.8 μm – 0.4 μm

External Surface Finish
Mirror polished / Matte / Sandblasted

Applications

• Food Processing Tanks
• Beverage Production Equipment
• Dairy Processing Systems
• Pharmaceutical Manufacturing Tanks
• Biotechnology Processing Vessels
• Hygienic Storage Tanks
• Fermentation and Brewing Tanks