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Saint-Gobain's Rulon® Cup Seals Continue to Improve Reliability in Portable Oxygen Concentrators
Saint-Gobain Seals’ Rulon® cup seals continue to contribute to improving the quality of life for many users of portable oxygen concentrators (POC).
By: Saint-Gobain Seals
The equipment typically utilizes an air compressor along with other parts such as a cylinder, valve and tubes. The Rulon® cup seal is a crucial component of the compressor and serves a dual purpose: as a bearing to optimize piston movement up and down the cylinder wall and as a seal to prevent air from escaping the chamber while it is being compressed by the piston movement. Because of its very low friction, low heat, low noise, long wear life, and low maintenance, the Rulon® material (http://www.seals.saint-
Although this equipment has been available for several decades, earlier versions were bulky and unreliable and did not improve until after 2000. According to WinterGreen Research’s 2013 study of Oxygen Concentrators:
Several benefits for manufacturers to use Rulon® cup seals include:
• Increased durability and reliability of the concentrators due to the material’s long wear life and low friction/heat
• Decreased total costs due to decreased post-sale costs
• Potential for lighter and smaller concentrators due to Saint-Gobain Seals’ ability to formulate optimal material and manufacture specific shapes
Saint-Gobain Seals’ Rulon® high-performance fluoropolymer compounds have also been used in other life sciences applications such as harmonic scalpels and chemical analyzers. There are more than 100 standard Fluoroloy® and Rulon® grades available, several of which are FDA compliant and USP Class VI certified, making them well suited for medical and analytical equipment applications.
To learn more about Saint-Gobain Seals’ Rulon® product line, other product lines and its strategic business unit, visit www.seals.saint-
About Saint-Gobain Seals (http://www.seals.saint-
Saint-Gobain Seals is a strategic business unit under Saint-Gobain Performance Plastics’ Engineered Components SOA (sector of activity); our parent company, Saint-Gobain, is one of the world’s top 100 industrial groups and is celebrating its 350th Anniversary of manufacturing excellence in 2015. 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
• Rulon® High-Performance Fluoropolymer Compounds
• Meldin® 7000 Thermoset Polyimide Materials
• Meldin® HT High-Performance Thermoplastic Materials
Other products include Fluoroloy® (high-performance custom-formulated compounds), cup seals, hydraulic seals, metal seals, v-packings, piston rings, Marathon® (valves and vacuum pump diaphragms), Transband® (PTFE creepage band), custom parts, polymer bearings and stock shapes.
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.
+1 800 544 0080