NFPA T3.6.54

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Hydraulic fluid power – Cylinders ports – SAE straight thread O-ring andfour-bolt flange ports – ISO straight thread O-ring and four-bolt flangeports – Heavy duty and light duty square head tie rod cylinders
Revision R1, July 22, 1997
Includes all amendments and changes through Reaffirmation Notice , 2014

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  • Revision:Revision R1, July 22, 1997
  • 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 includes recommended sizes of SAE and ISO slraightthread O·ring and four·bolt flange ports in NFPA standard heavyduty and light duty hydraulic cylin· ders.

    This standard intends to:

    – encourage the use of SAE O·ring sealed ports;

    – promote cylinder interchangeability by establishing uniformO-ring port recommendations.

    This standard only applies to the dimensional criteria efproducts manufactured in conformance with this standard. It doesnot apply to their functional characteristics.