DS/EN ISO 1179-4:2008

Connections for general use and fluid power - Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing - Part 4: Stud ends for general use only with metal-to-metal sealing (type B)

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This part of ISO 1179 specifies dimensions, performance requirements and test procedures for stud ends with ISO 228-1 threads and metal-to-metal sealing for general use only. These stud ends should not be used for leak-free hydraulic fluid power applications.
Stud ends in accordance with this part of ISO 1179 may be used at working pressures up to 40 MPa (400 bar) for the S series, up to 25 MPa (250 bar) for the L series, and up to 10 MPa (100 bar) for the LL series. The permissible working pressure depends upon size, materials, design, working conditions, application, etc.
Conformance to the dimensional information in this part of ISO 1179 does not guarantee rated performance.
Each manufacturer shall perform tests according to the specification contained in this part of ISO 1179 in order to ensure that components made to this part of ISO 1179 comply with the performance ratings.
NOTE 1 – This part of ISO 1179 applies to connectors detailed in ISO 8434-1 and ISO 8434-2.
NOTE 2 – The introduction of this part of ISO 1179 gives recommendations for ports and stud ends to be used for new designs in hydraulic and pneumatic fluid power applications.

Number of pages: 20

Published: 2008-06-06

Date of approval: 2008-05-15

International relationships : EN ISO 1179-4:2008 IDT ISO 1179-4:2007 IDT

ICS: 23.100.40 - Piping and couplings

Item number: M227016



  • CEN/ECISS/TC 29/SC 3
  • ISO/TC 131/SC 4/WG 1

Danish committee