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Tuesday, May 19, 2020 | History

3 edition of Effect of temperature and O-ring gland finish on sealing ability of Viton V747-75 found in the catalog.

Effect of temperature and O-ring gland finish on sealing ability of Viton V747-75

Effect of temperature and O-ring gland finish on sealing ability of Viton V747-75

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Published by National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, National Technical Information Service, distributor] in [Washington, DC], [Springfield, Va .
Written in English

    Subjects:
  • Sealing (Technology) -- Materials -- Testing.,
  • Rockets (Aeronautics) -- Thermodynamics.

  • Edition Notes

    StatementCynthia L. Lach.
    SeriesNASA technical paper -- 3391., NASA technical paper -- 3391.
    ContributionsUnited States. National Aeronautics and Space Administration. Scientific and Technical Information Program.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14700767M

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Effect of temperature and O-ring gland finish on sealing ability of Viton V747-75 Download PDF EPUB FB2

The effect of surface finish on the sealing performance and wear characteristics of the O-rings was evaluated during simulated launch conditions which included low-frequency vibrations, gap openings, and rapid pressurizations. The effect of contanfination on the sealing performance File Size: 1MB.

ture feature O-ring glands of the solid roekct booster (SRB) eld joint. estsT were conducted in ariousv face seal xtures to aluateev the ability of Viton V O-rings to seal for a range of temperatures and surface n-ishes of the redesigned O-ring gland.

The e ect of surface nish on the sealing. Tests were conducted in various face seal fixtures to evaluate the ability of Viton V O-rings to seal for a range of temperatures and surface finishes of the redesigned O-ring gland.

The effect of surface finish on the sealing performance and wear characteristics of the O-rings was evaluated during simulated launch conditions that included low-frequency vibrations, gap openings, and rapid Author: Cynthia L. Lach. Get this from a library.

Effect of temperature and O-ring gland finish on sealing ability of Viton V [Cynthia L Lach; United States. National Aeronautics and Space Administration. Scientific and Technical Information Program.]. @MISC{Lach93effectof, author = {Cynthia L. Lach and Cynthia L. Lach}, title = {Effect of Temperature and O-Ring Gland Finish on Sealing Ability of Viton V}, year = {}} Share OpenURL.

Effect of Temperature and O-Ring Gland Finish on Sealing Ability of Viton V By and Cynthia L. Lach and Cynthia L. Lach. Abstract. this report is for accurate reporting and does not constitute an offic ial endorsement, e ither expressed or i mplied, of such products or manufacturers by the Nat ional Aeronaut ics and Space Administration Author: and Cynthia L.

Lach and Cynthia L. Lach. The O-ring seals and glands for the eld joint were designed both to accommodate structural de ections and to promote pressure-assisted sealing.

A metal lip or \capture feature " was added to the eld joint tang to sti en the wall, thus minimizing joint de ection due. [7] Lach C L. Effect of temperature and O-ring gland finish on sealing ability of Viton V NASA TP, ().

NASA TP, (). Cited byAuthor: Xin Jie Shao, Guang Tian, Jin Hua Liu, Jian Bin Zhang, Li Li Yang, Yun Guang Qi.

Figure 1a illustrates the O-ring as installed, before the application of pressure. Figure 1b illustrates the application of fluid pressure on the O-ring.

Figure 1c shows the O-ring at its pressure limit, with a small portion of the seal material entering the narrow gap between the inner and outer members of the gland. Figure 1d illustrates the result of increasing the pressure further and the Cited by: 1. O-ring VITON.

materials › O-ring VITON. Viton rubber (fluorinated rubber) Viton, FKM, FPM rubber – is the trade mark of fluorinated rubber of DuPont company, but nowadays among the all types of fluorinated rubber Viton is the rubber detail is produced of rubber mixture, that is made on fluorine base.

OEM order of Oil Seal,Rubber Oil Seal,Rubber Seal or O-Ring and Rubber Gasket is welcomed as well. for: Auto, motorcycle, machinery, water pumps, valves, etc. The Viton O-ring withstands a condition of °C × 24 h. Viton is a common name for the copolymer of hexafluoropropylene and vinylidene difluoride.

The material designation given by the ASTM to this copolymer is FKM. The quality standard of the O-ring used for the closed cell is JIS (the Japanese Industrial Standard) B D-p ♦Low Temperature Sealing ♦2K molding Index Index. 3 Shaft seals 12% Valve stem seals 4% Gaskets 9% Expansion Sealing —dry O-ring Sealing —soaked in unleaded fuel Sealing —soaked in fuel C All Viton ®products have.

Viton® temperature rating Depending on the grade the working temperature range is considered to be °C to +°/°C (°F to +°/°F). But for short working periods it. A Viton™ o ring will tend to be significantly more expensive than the equivalent nitrile component.

This is because it simply does the job where other products cannot. In comparison to nitrile, Viton™ has a larger operating temperature range, better resistance to degradation from exposure to weather and ozone and is more chemically.

Viton ring White FDA Viton O-Rings Viton Rubber Profiles Viton DuPont seal Viton Gasket Viton product FDA Compliant Viton GFS Viton GFS Viton Gf Grade Rubber O Ring Viton Fluoroelastomers. Viton fluoroelastomer was introduced in to meet the needs in the aerospace industry for a high-performance sealing elastomer.

Since then, the use of Viton fluoroelastomer has spread quickly to many other industries, especially in the automotive, fluid power, appliance, and chemical industries.

With 40 years of field-proven performance File Size: KB. Technical Information Introduction Viton™ fluoroelastomer was introduced in to meet the needs of the aerospace industry for a high-performance seal elastomer. Since then, the use of Viton™ fluoroelastomer has expanded to many other industries, especially in the automotive, fluid power, appliance, and chemical fields.

With over half a File Size: KB. Inormation 5 O-Ring Chemical Compatibility FETFE FKM + PTFE as an internal lubricant Temperature range: 18 to °C Durometer: 70 Resistance to compression set: 2 Color: Black or White An ACE Glass exclusive fluroelastomer compound with TFE additives.

Viton withstands high temperature better than most other elastomers, and retains its good mechanical properties. Oil and chemical resistance are also essentially unaffected by elevated temperatures. Compounds of Viton remain substantially elastic indefinitely when exposed to laboratory air oven aging up to °C or to intermittent exposures up.

Products made with Viton™ high-performance fluoroelastomers last longer and retain their flexibility, strength, and shape in the most extreme environments.

Their durability and reliability ensures higher performance, less downtime, and a competitive advantage for designers and engineers using Viton™ fluoroelastomer products.The three main factors for heat sealing—dwell time, temperature and pressure—can produce significant variability in seal strength.

However, there are other factors related to time, temperature and pressure that can also affect heat seals. Some common factors include: • Variation in platen temperature—“hot spots” or “cold spots”.Viton Rubber Sheet YodaRubber T+ Project Description YodaRubber is proud of its leading role in FKM sheet market, and the brand is highly recognized by our clients, including end users as well traders.