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Title:
Connections for general use and fluid power – Ports and stud ends with ISO 725 threads and O-ring sealing – Part 3: Light-duty (L series) stud ends, 11 pgs.
Scope:
This part of ISO 11926 specifies dimensions, performance requirements and test procedures for adjustable and non-adjustable light-duty (L series) stud ends complying with ISO 725 and for their related O-rings, for general use and fluid power applications. It also specifies the designation of these stud ends.
Stud ends in accordance with this part of ISO 11926 may be used at working pressures up to 31,5 MPa (315 bar). The permissible working pressure depends upon the stud ends size, materials, design, working condition, application, etc.
For threaded ports and stud ends specified in new designs in hydraulic fluid power applications, only ISO 6149 is to be used. Threaded ports and stud ends in accordance with ISO 1179, ISO 9974 and ISO 11926 are not to be used for new designs in hydraulic fluid power applications.
Conformance to the dimensional information in this part of ISO 11926 does not guarantee rated performance. Each manufacturer should perform testing according to the specification contained in this part of ISO 11926 to assure that components comply with the performance ratings.
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