The pressure rating of a glass reactor varies depending on its design and construction, but typically ranges from normal atmospheric pressure up to a maximum of around 0.0098MPa (0.1 bar) for single layer glass reactors. This pressure rating is suitable for reactions under normal or low pressures.
Single Layer Glass Reactor: The single layer glass reactor, as described, is designed for reactions under normal pressures or low pressures. It can reach up to a pressure range of 0.0098MPa (0.1 bar) when in a stationary state. This reactor is made from GG17, G3.3 borosilicate glass, which offers good chemical and physical resistance, making it suitable for various solvent synthesis reactions under controlled temperatures. The reactor's design includes a controllably sealed system that allows for the continuous inhalation of various gases and liquids, and it can also facilitate distillation under different temperatures.
Double Jacketed Agitated Glass Reactor: While the provided text does not specify the pressure rating for the double jacketed agitated glass reactor, it is noted that this type is mostly used for chemical reactions involving high temperatures. The presence of an interior jacket for regulated heating and cooling, along with an external jacket for better vacuum insulation, suggests that this reactor might be capable of handling higher pressures than the single layer reactor, although specific pressure ratings are not detailed in the text.
Safety and Operational Considerations: It is crucial to adhere to the manufacturer's instructions and safety guidelines when operating a high-pressure glass reactor. The design limits, which include pressure and temperature specifications, are stamped on the identification plate of each reactor. Exceeding these limits can lead to damage to the reactor or unexpected behavior of the reaction. Additionally, the reactor should be operated at the appropriate pressure for the specific reaction being run, and temperature control is essential to maintain the desired reaction conditions.
Material Considerations: At lower pressures (around 5 bar), glass is preferred due to its transparency, allowing direct observation of the reaction. However, for higher pressures, materials like stainless steel, Hastelloy, or Inconel are used due to their higher strength and resistance to corrosion and oxidation. These materials are capable of withstanding pressures up to a few thousand bars, significantly higher than what glass reactors can handle.
In summary, the pressure rating of a glass reactor is generally limited to low pressures, with single layer reactors typically operating up to 0.0098MPa (0.1 bar). Higher pressure applications require more robust materials and designs.
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