ISO 1179-1:2013规定了带有ISO 228？1螺纹的端口的尺寸，用于ISO 1179？2、ISO 1179？3和ISO 1179？4中所述的不可调螺柱端部，以及ISO 1179？3中所述的可调螺柱端部。 符合ISO 1179-1:2013的端口适用于在工作压力高达63 MPa（630巴）的情况下使用ISO 1179-2重型（S系列）螺柱端头，在工作压力高达25 MPa（250巴）的情况下使用轻型（L系列）螺柱端头，在工作压力高达31.5 MPa（315巴）的情况下使用ISO 1179-3轻型（L系列）螺柱端头，使用G型密封，以及ISO 1179？3轻型（L系列）可调螺柱端，H型密封，工作压力高达20 MPa（200巴），ISO 1179？4螺柱端，B型密封，工作压力高达40 MPa（400巴），L系列高达25 MPa（250巴），LL系列高达10 MPa（100巴），G2尺寸端口除外，在液压流体动力系统中，主要与蓄能器一起使用，ISO 1179-3和ISO 1179-4没有规定螺柱端。 允许工作压力取决于尺寸、材料、设计、工作条件、应用等。

ISO 1179-1:2013 specifies dimensions for ports with ISO 228？1 threads for use with non-adjustable stud ends described in ISO 1179？2, ISO 1179？3 and ISO 1179？4 and with adjustable stud ends described in ISO 1179？3. Ports in accordance with ISO 1179-1:2013 are applicable for use with ISO 1179？2 heavy-duty (S series) stud ends with type E sealing at working pressures up to 63 MPa (630 bar) and light-duty (L series) stud ends at working pressures up to 25 MPa (250 bar), ISO 1179？3 light-duty (L series) stud ends with type G sealing at working pressures up to 31,5 MPa (315 bar), and with ISO 1179？3 light-duty (L series) adjustable stud ends with type H sealing at working pressures up to 20 MPa (200 bar), and ISO 1179？4 stud ends with type B sealing 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, except for the G2 size port, which in hydraulic fluid power systems is used mainly with accumulators and for which ISO 1179？3 and ISO 1179？4 do not specify stud ends. The permissible working pressure depends upon size, materials, design, working conditions, application, etc.