Product Name: stainless steel round with pressure manhole product line: sanitary manhole Series Product Origin: Wenzhou Products: round under pressure manhole: Application: The product is mainly used in food, wine, beverage, pharmaceutical, chemical and other industrial the field of tank equipment. Sanitary manhole design and features: opening to the outside or within the open manhole cover, wrench handle or lever handle, the inner surface; Ra0.8um-0.5um outside surface: polished, matte treatment, sandblasting Maximum pressure: 3.0bar 0.3M.pa gasket: EPDM, NBR, SILICON, FPM meet FDA177.2600 Material: AISI304 (of 1.4301) 316L (1.4404) Common Specifications: 150 MM 200MM 250MM 300MM 350MM 400MM 450MM 500MM 550MM