Hydraulic quick coupling, M20x1.5 socket, external thread EURO PUSH-PULL (9100822G) (ISO 7241-A) Waryński Waryński hydraulic quick coupling - EURO socket (PUSH-PULL). The most popular hydraulic quick connectors with a very wide range of applications. This type of quick coupler socket protects against cracking/breaking of the hydraulic hose and loss of hydraulic oil in the event of unintentional stretching - e.g. driving away the tractor without disconnecting the hydraulics from the connected machine (installation of the quick coupler socket to the body/housing in the tractor using the locking sleeve). 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.