Virtually any round, oval or rectangular manway that is designed for a pressure of at least 0.5 bar is called a "pressure manway". These units come in a wide variety and are very popular among users. They are well suited for the vast majority of applications, and their undoubted advantage is their affordable price. However, manufacturers of tanks and pressure equipment cannot always be satisfied with such a solution. They then demand "PED manways" or "manways with PED". What is it?
Designing tanks and other process equipment involves a lot of customised solutions. This is because much of their equipment must be specially adapted to the characteristics of the process and customer requirements. In many cases, however, it turns out that some of the design elements are standardised and commonly used in other similar equipment in the industry as well. Very often these very elements include the tank manway.
The way the manway is closed and opened determines many of its technical and functional characteristics. This is because very often the type of closing directly affects the pressure resistance of a manway, as well as the comfort of its current use. It is worth taking a closer look at the types of stainless steel manway closings, as well as learning about their advantages, disadvantages and procedures for use.
Food production requires high standards of cleanliness at every stage. Appropriate standards, procedures and practices guard our health, and promote the maintenance of high quality products. Much is also required of the equipment and machinery involved in food production processes. Already in the phase of their design, many design details are taken into account that promote the preservation of an environment free of unwanted microorganisms. Equipment that is often used in various forms at many stages of production are stainless steel tanks.
Stainless steel tank manways are an important part of many industries – from food to pharmaceuticals and many others. Manway structures, as well as the materials they are made of, are created with longevity in mind. However, it is important to remember that regular maintenance is the key to keeping manways in good condition.
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