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NFPA T3.12.10

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Air line filter, regulator and/or lubricator – Pressure rating supplementto NFPA/T2.6.1 R2-2000, Fluid Power Components – Method for verifying thefatigue and establishing the burst pressure ratings of the pressurecontaining envelope of a metal fluid power FRL
Revision R2, 2009
Includes all amendments and changes through Reaffirmation Notice , 2014

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Description

  • Revision:Revision R2, 2009
  • Published Date:January 2014
  • Status:Active, Most Current
  • Document Language:English
  • Published By:National Fluid Power Association ((NFPA))
  • Page Count:10
  • ANSI Approved:No
  • DoD Adopted:No
  • This standard provides:

    − test and statistical methods for generating fatigue distribution data;

    − test and statistical methods for conducting a verification of the pressure ratings on FRLs;

    − common requirements and an industry-wide philosophy in judging one type of pressure capability for FRLs;

    − uniform methods of product comparison.

    This standard limits conditions as follows:

    − constant amplitude, pressure-induced loading of the elements that constitute or maintain the pressure containing envelope;

    − product life of at least 100,000 cycles;

    − defined conditions for pressure levels and pulse durations;

    − temperatures from the charpy impact transition temperature to the threshold of creep sensitivity;

    − environments which are chemically compatible with the materials of the pressure containing envelope;

    − materials that are aluminum, magnesium, steel, iron, copper based alloys, cobalt, titanium, stainless steels, nickel steels and monel. Specifically excluded are creep sensitive materials such as: zinc, plastic, rubber and sealing devices;

    − pressure gauges are specifically excluded.

    This standard encourages manufacturers to use this common method to enhance the credibility of their pressure ratings.