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By Ken Mantle, CEF-2

Solenoids are basically electromagnets and when they are coupled to mechanical devices such as valves, pistons, rollers, etc. they can be used to control specific movements or material flow.

In some aerospace applications these solenoids are used to open and close valve ports and ultimately direct the movement, direction and/or the amount of a specific material. Solenoids are used quite extensively for aerospace applications to control the distribution of hydraulic fluids, fuel, air and other gasses that affect the control of commercial aircraft, space launch vehicles, helicopters and even satellites.

Reaction time in solenoids is a critical factor, especially when the device is controlling the movement of an aircraft.  For that reason every effort is made to reduce the friction between components in solenoid valves and other electromechanical devices used in aerospace applications.  Extra scrutiny is given to the selection of base material and coatings for the individual components that make up the solenoid assembly.

CTI’s NP3 (EN/PTFE composite) coating is used extensively in aerospace solenoid applications.  This unique coating provides self lubrication and a reduced coefficient of friction between coated components thus maximizing the reaction time of the solenoid.

Reaction time is not the only reason that CTI’s NP3 and NP3 Plus coatings are so popular with manufacturers of aerospace solenoid components. NP3 also provides corrosion resistance for the coated components which increases the service life of the solenoids and prevents seizing caused by corrosion products in the assembly.

Whether your application is aircraft, space vehicles, weapons systems or robotic equipment, NP3 and NP3 Plus coatings can make your components work faster and last longer. Give us a call today and let us help with your latest project.  For more information on NP3 and NP3 Plus please visit our website at www.coatingtechnlogiesinc.com.

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