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NFPA T3.4.7

Revision R2, March 15, 2000

Complete Document

Accumulator – Pressure rating supplement to NFPA/T2.6.1 R2-2000, Fluid power components – Method for verifying the fatigue and establishing the burst pressure ratings of the pressure containing envelope of a metal fluid power accumulator

Includes all amendments and changes through Reaffirmation Notice , 2014


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Product Details:

  • Revision: Revision R2, March 15, 2000
  • Published Date: January 2014
  • Status: Active, Most Current
  • Document Language: English
  • Published By: National Fluid Power Association ((NFPA))
  • Page Count: 9
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

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 fluid power accumulators;

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

− uniform methods of product comparison.

This standard covers the pressure containing envelope of the following accumulator types:

− piston;

− bladder;

− diaphragm;

− direct acting;

− mechanical;

− mechanical spring;

− mechanical weighted;

− metal bellows;

− gas bottles, are also included, only when they are used as an extension of the gas volume of one of the above mentioned accumulators.

This standard limits conditions as follows:

Follow 1.2 from NFPA/T2.6.1 R2. 

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