Yokoma 500mm/19.69in 304 Stainless Steel Circular Atmospheric Manhole - Quick-Open Manway Tank Cover for Food, Dairy & Brewery Industry - 212℉ Heat Resistant Access Port with Sanitary Seal

Yokoma 500mm/19.69in 304 Stainless Steel Circular Atmospheric Manhole - Quick-Open Manway Tank Cover for Food, Dairy & Brewery Industry - 212℉ Heat Resistant Access Port with Sanitary Seal

• Premium 304 Stainless Steel Construction: Crafted from high-grade 304 stainless steel, this circular atmospheric manhole offers superior corrosion resistance and structural stability against oxidation. The precision-cast material ensures durability in demanding environments, making it a reliable for long-term use in industrial storage tanks and piping systems.
• Hygienic Mirror Polished Surface: Designed for sanitary applications, the interior features a fine mirror polish with a roughness average of Ra≤0.8μm, while the exterior has a satin finish. This smooth, seamless surface prevents bacterial buildup and allows for easy cleaning, making it ideal for the food, dairy, and beverage industries where hygiene is critical.
• Efficient Quick-Open Mechanism: Featuring a user-friendly single-handle locking system, this 500mm manway allows for rapid and safe access to tank interiors. The quick-opening structure simplifies maintenance and inspection tasks, significantly reducing downtime for workers who need frequent entry into storage vessels or pressure containers.
• Reliable Sealing Performance: Equipped with a high-quality sealing rubber ring, this tank access port ensures a tight, leak-proof closure under atmospheric pressure. It maintains integrity up to a maximum working temperature of 212℉ (100℃), effectively preventing fluid leakage during steam cleaning or hot liquid storage processes.
• Versatile Industrial Application: This stainless steel manhole is widely used across chemical, pharmaceutical, and water treatment sectors. Its robust design supports standard 300mm connections, serving as an essential safety ventilation and access device for various tanks, silos, and containers requiring regular internal monitoring or cleaning.