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Saint-Gobain's OmniSeal® Spring-Energized Metal-Band Seal Qualified for Aircraft Micro Fuel Pumps
Saint-Gobain Seals Group’s OmniSeal® spring-energized metal-band seal has been qualified as a dynamic seal in micro fuel pumps for the aerospace industry.
Many micro pumps use elastomeric seals; however, as operating conditions become extreme with low temperature, aggressive chemicals, high speed and minimal wear requirements, these seals fail prematurely. In order to solve these challenges, the Seals Group has developed a custom version of their OmniSeal® APS (Advanced Pitch Spring) seal (http://www.seals.saint-
This custom APS seal is a very small shaft seal designed for dynamic sealing of motors at very high rpm and includes an aluminum metal band, a spring and a Fluoroloy® (http://www.seals.saint-
In a typical operating environment, the shaft operates around 14,000 rpm which is equivalent to 458 ft/min (2.3 m/s) on a 1/8”shaft. The operating differential pressure ranges from 100 psi to 250 psi (689 kPa to 1,724 kPa) when sealing media such as jet propellant fluid and kerosene. In addition to the operating temperature ranging from -35°F to 185°F (-37°C to 85°C), the seal is required to be wear-resistant against a hard steel shaft. To withstand these conditions, a lubricated proprietary Fluoroloy® material with excellent wear characteristics and low coefficient of friction (CoF) is used.
Aside from the APS design, OmniSeal® spring-energized seals are available in multiple designs such as 103A, Spring Ring II, 400A, RP II and RACO™ 1100A and are also offered in various custom designs. These designs include seal jackets in various Fluoroloy® materials and springs in various configurations. The Seals Group’s sealing solutions have been used in a variety of applications such as the Delta IV heavy rocket with a reconnaissance satellite, the world’s first subsea gas compression station, harmonic scalpels, vqzai chemical analyzing equipment, and environmentally-
Please contact the Saint-Gobain Seals Group at sealsmarketing@
About Saint-Gobain Seals Group (www.seals.saint-
Saint-Gobain Seals Group 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® (high-performance custom-formulated compounds and alloys), 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