Design of pressure-ring type quick-opening blind flange

A pressure-ring type quick-acting blind flange is an emergency shutdown device commonly used in pipeline systems, and its design requires consideration of various factors such as pressure, temperature, and the medium. Here is some information on the design of pressure ring-type quick-opening blind flanges for your reference: 1. \"Pressure Vessel Design Manual\", which covers the design of pressure vessels as well as the relevant standards and specifications. 2. “Design Manual for Metal Seals” mainly introduces the design and selection principles for metal seals. 3. The standard GB/T 9113-2010 \"Steel Flanges\" specifies the dimensions, materials, and connection methods of steel flanges, providing a reference for design purposes. 4. The standard “JB/T9197-1999 Quick-opening blind flanges” specifies the design, selection, and performance requirements for quick-opening blind flanges; it serves as an important reference for their design. 5. Standards such as ANSI, API, and ASME in the United States also provide information on the design and selection of pressure ring-type quick-acting blind flanges. I hope this information can help you with the design of pressure ring-type quick-opening blind flanges. It should be noted that due to safety concerns, it is essential to carry out the design and use under the guidance of professionals. .

To design a quick-opening blind flange, a separate design certificate is required; just knowing how to design it isn’t enough, and it cannot be used in production either

This post was last edited by hongym on 2023-5-22 17:46. Thank you for your help! However, the standard \"JB/T9197-1999 Quick-Open Blind Flanges\" could not be found; could the standard number be incorrect?

What is the full name of this certificate, which department is responsible for issuing it, and how can one obtain it? Please advise

I just inquired – for quick-opening blind plates, it’s no longer necessary to obtain a separate design certificate; having the appropriate container certificate is sufficient. However, quick-opening blind plates, together with the interlock mechanisms, must undergo type testing. Our company sometimes handles tasks related to ball receiving and sending cylinders; the door-opening mechanisms and interlock systems are all purchased externally. It is the supplier who provides the certification, and only then can our equipment obtain a supervision and inspection certificate before being shipped. It’s roughly that process. So I won’t design a quick-opening door either. I’m sorry; I can’t help you with that

There are such design elements, but you can’t create them on your own; just copying isn’t enough.

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