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What are the factors that affect the performance of marine flanges?
Release time:
2022-08-16
Source:
In the production of marine flanges, there are many factors that affect its performance. Let's follow the editor of aluminum alloy flanges to see what are the commonly used factors!
1. Annealing temperature: The annealing temperature is a temperature parameter for the binding of primers and templates, and is an important factor affecting the specificity of PCR. Ideally, the annealing temperature is low enough to ensure efficient annealing of the primer sequence to the target sequence, and high enough to reduce nonspecific binding. Reasonable annealing temperatures range from 55°C to 70°C.
2. Furnace body sealing: The furnace shell is welded by steel plate and section steel, and the trolley is welded by section steel and steel plate. The trolley is in soft contact with the furnace lining and the sealing sand mechanism to reduce heat radiation and convection losses and effectively ensure the sealing of the furnace body. Bright annealing furnaces should be closed and isolated from the outside air. When using hydrogen as the protective gas, only one exhaust port is open (used to ignite the exhausted hydrogen). The inspection method can be smeared with soapy water on the joints of the annealing furnace to see if the gas escapes. Among them, the place where the gas is easy to escape is the place where the annealing furnace enters the pipe and the place where the pipe comes out. The sealing ring in this place is particularly prone to wear and tear, and it should be checked and replaced frequently.
3. Shielding gas pressure, in order to prevent micro-leakage, the shielding gas in the furnace should maintain a certain pressure. If the shielding gas is hydrogen, the general requirement above is 20kBar. Annealing atmosphere: Pure hydrogen is usually used as the annealing atmosphere, the atmosphere is preferably 99.99% pure or higher, when the other part is an atmosphere of inert gas, then the purity may be lower, but it cannot contain too much oxygen and water vapor.
The above is the introduction of the aluminum alloy flange small series about the performance factors affecting the marine flange, I hope it can help you.
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