Precision cleaning is critical for finishing aerospace oxygen system components. Oxygen supply and distribution systems play a critical role in supporting passengers and crew of commercial, military and business aircraft for flying at high altitudes and in emergency situations. While vital for life on aircraft, oxygen systems can be a hazard to life if equipment components are not meticulously cleaned and processed properly.
Contamination is a combustion hazard. The manufacturing process of the parts and components in these systems leaves surface contaminants that need to be removed before final assembly of the product. Common manufacturing contaminants include dust, welding dross, metal particulate, greases, oils, acids and solvents. It is critical for the performance and safety of the systems that the parts be completely clean. Any manufacturing residue remaining on parts can cause friction and disastrous results.
While fire safety is the most consequential reason for cleaning oxygen system components, there are other significant reasons as well. Debris or substance that remains after the manufacturing process can impact the ability for sensors, valves, and controls to work properly. Additionally, parts are often required to comply with meticulous industry standards such as the American Society for Testing and Materials ASTM G93 and the Compressed Gas Association G-4.
There are a variety of ways to clean oxygen equipment, including mechanical cleaning, alkaline cleaning, and aqueous cleaning, but vapor degreasing is a common method for addressing the challenges of aerospace parts fabrication and regulatory compliance. The vapor degreasing cleaning process is both effective and convenient for the removal of metalworking fluids, cutting oils, corrosion inhibitors, and waxes. The parts manufacturing process leaves behind these contaminants.
For aerospace oxygen systems, manufactured parts satisfy strict standards and regulations, or they face the risk of fire through auto-ignition or affecting the purity of the oxygen. Vapor degreasing using contemporary agents solves the challenges that fabricators encounter when producing aerospace oxygen system parts. Through this efficient and validated method, companies can be confident that their systems will work consistently and reliably in flight.
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