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FIBER-REINFORCED PLASTIC STANDARDS FOR PRESSURE VESSELS

In 1974 ASME published Section X of the Boiler and Pressure Vessel Code to ensure safe Fiber Reinforced Plastic pressure vessels. This code required that a test vessel be made exactly as the intended vessel, the test vessel was over pressured to destruction to demonstrate the safety of the design and fabrication of the vessel. The production could proceed. Many small vessels for air, pure water, etc. were fabricated. However, if a single tank was desired for atmospheric pressure, this code was not applicable nor economical.


SECTION X – FIBER-REINFORCED PLASTIC PRESSURE VESSELS

Provides requirements for the construction of a fiber-reinforced plastic pressure vessel (FRP) in conformance with a manufacturer’s design report. It includes production, processing, fabrication, inspection, and testing methods required for the vessel. Section X includes three Classes of vessel design: Class I and Class III – qualification through the destructive test of a prototype; and Class II – mandatory design rules and acceptance testing by nondestructive methods. These vessels are not permitted to store, handle or process lethal fluids. Vessel fabrication is limited to the following processes: bag molding, centrifugal casting and filament-winding, and contact molding. Rules pertaining to the use of the single ASME certification mark with the RP designator are also included.


REFERENCED BPVC SECTIONS

  • BPVC-V

  • Nondestructive Examination


REFERENCED ASME STANDARDS

  • B16.1 Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250

  • B16.5 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard

  • B18.22.1 Plain Washers

  • CA-1 Conformity Assessment Requirements


Universal Engineering Services has more than a decades experience in the pressure vessel design for customers in UAE, Oman, Qatar, Kuwait, Bahrain, Saudi Arabia, and many more countries all over the world. UES work to many ASME standards to design and validate pressure vessels, boiler, fittings and piping systems. We are also experts in Stress analysis of piping, structural design, ASME Joint review, Design of Storage tanks, code calculations, FEA/FEM, and spotless service on design management.


**The content of this article is taken from web open source. The blogs are intended only to give technical knowledge to young engineers. Any engineering calculators, technical equations, and write-ups are only for reference and educational purposes.

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