Northern Engineering (Sheffield) Ltd, or NES as we are known are a leading manufacturer of elastomeric sealing technologies,

Our product range includes The Astra Seal® Comprising 302 stainless flat wound ribbon springs encapsulated in either a FEP or PFA Teflon™ jacket to form an O Ring, NESAstra Seals® span a temperature range from -250˚C to +260˚C.

We are also leaders in encapsulated seals, Polymer O-Rings, Inflatable seals, Extruded parts and custom mouldings. 

Capable of providing effective solutions to high value engineering challenges, NES combines in-depth experience in working with advanced materials with an unswerving commitment to service and quality. This has made us a key partner for many major OEMs.