Expander Plugs

September 27, 2017

Jennifer Shuttleworth

SFC Koenig (North Haven, CT) recently developed seals for an automotive manufacturer’s new anti-lock brake and traction control systems. The supplier of sealing and flow control solutions assisted the customer in the selection of an MB 850-040E Koenig Expander plug based on size requirements, materials, pressures, installation processes and the overall safety-critical nature of the application. As opposed to ball plugs, the Koenig Expander used an engineered expansion principle. According to SFC Koenig, when inserted, the plug’s serrated sleeve was expanded into the base material and formed a reliable, secure and leak-free seal that required no sealant or additional machining processes. The customer’s initial testing of the MB 850 showed improved pressure performance capabilities and no pressure loss, even after anticipated lifetime cycle testing.