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Follow on Google News | Saint-Gobain Seals' Rulon® J Polymer Material Used in Bogie of New 7000 Series Trains in WashingtonSaint-Gobain Seals’ Rulon® J sliding elements will be utilized on the bogie of the newest 7000 series trains in the Washington DC metropolitan area.
By: Saint-Gobain Seals Attached underneath the train cars, a bogie is a key element on the cars carrying the wheelset and suspension and serves a number of purposes: · Support of the rail vehicle body. · Stability on both straight and curved tracks. · Ensuring ride comfort by absorbing vibration and minimizing the impact of centrifugal forces when the train runs on curves at high speed. · Minimizing generation of track irregularities and rail abrasion. The purpose of Saint-Gobain Seals’ Rulon® J sliding elements in the bogie of these 7000 series trains is demonstrated when traveling on curved tracks. The bogie frame turns into the curve through the wheels guided by the rails. To allow the bogie to follow the curved track, a degree of movement is required. This movement is supported by the Rulon® J sliding elements, making the train more stable. As part of their polymer product line, the Rulon® J material was selected due to its very low friction, high resistance to wear and resistance to deformation. Another important feature of the material is its compliance with FST (Flame, Smoke and Toxicity) regulation in accordance with ASTM E662-09 and ASTM E162-11 standards. Because the material performs to ASTM FST flame and smoke standards, it is considered to have flame spread and smoke concentration rates slow enough to give passengers sufficient time to disembark the vehicle more safely. Rulon® The Rulon® product line includes a variety of high-performance bearings and components, which meet today's need for enhanced wear performance in a PTFE-based material. Primarily used in mechanical, electrical and chemical applications, Rulon® withstands a variety of harsh environments such as extreme dryness, cryogenic temperatures, water, steam and hydrocarbon fuel. Some applications include ball bearings on the Mars Rover Curiosity (http://www.seals.saint- About Saint-Gobain Seals (www.seals.saint- Saint-Gobain Seals is a business unit under Saint-Gobain Performance Plastics’ Engineered Components division; our parent company is one of the world’s top 100 industrial groups. With more than 50 years of manufacturing experience and an established global presence (with strategic sites in Garden Grove, California, USA; Kontich, Belgium; and Minhang, Shanghai, China), we offer a diverse range of innovative sealing and polymer solutions: · OmniSeal® Spring–Energized Seals · OmniLip™ PTFE Rotary Shaft Seals · OmniFlex™ Fluoroelastomer Seals · OmniShield® EMI / RFI Shielding Solutions · Rulon® High-Performance Fluoropolymer Compounds · Meldin® 7000 Thermoset Polyimide Materials · Meldin® HT High-Performance Thermoplastic Materials Other products include Fluoroloy® (http://www.seals.saint- The majority of seals and polymer components manufactured are custom designed and matched with the best materials to optimize their performance in various applications and markets. End
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