Hydraulic quick connector, G3/4'BSP plug, internal thread ISO 7241-A WaryńskiHydraulic quick connector Waryński - ISO-7241-A plug. The most popular hydraulic quick connectors with a very wide range of applications. The quick couplings are designed in accordance with the dimensional and quality requirements of the ISO 7241 Series A standard, which specifies in detail the characteristics and dimensions to enable compatibility of quick couplings produced by different manufacturers in accordance with this standard. Interchangeable with ISO-A quick connectors from other manufacturers such as: Parker, Faster, Stucchi, DNP, Tema and others.