In industry, flanges form a vital connecting link for piping, valves and other equipment. They provide an easy point of access for cleaning, inspection, modification, and for necessary repairs. A flanged joint provides a strong seal in a closed system, and is made by bolting together a gasket flanked by two flanges.
In heavy industry, these flanges need to be especially resilient or they can prove to be the weak point in a system. It is important therefore, to ensure that the flanges you are choosing are up to the task.
Why are stainless steel flanges preferred for industrial use?
In all metal applications, corrosion is a constant consideration. Rust, chemicals and other environmental factors all take their toll on metals. Therefore, the choice of flange would need to be resistant to these factors. Stainless steel outperforms other metal flanges – including carbon steel – due to its high resistance to corrosion.
Stainless steel is incredibly strong and durable, capable of withstanding immense pressures. By comparison, aluminium may be a cheaper option but it is softer and not as reliable under heavy stress.
Any system or piece of equipment is only as strong as its weakest part. Joins and welds are traditionally a weak point, so it would be wise to make sure that your choice of metal is correct for the application.
Depending its use, a flange may need to withstand high very temperatures. The correct grade of stainless steel flange would ensure that there is no warping or deformation which would compromise the system.
Cheaper, lower grade metal flanges may be fine for certain applications, but if you want your system or equipment to work at maximum capacity, then you should consider spending a little more on stainless steel flanges.
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