Quick-release couplings  series “QS” are designed for operation in hydraulic systems with a working pressure of up to 320 bar, with a working temperature range from -25 to +100 °C. They can be made with various types of fittings and threads (internal or external, metric or inch).
This series has the following characteristics:
    - •	Interchangeability according to ISO 7241-A; 
 
    - •       One-way "connection-disconnection" coupling halves;
 
    - •	Ball fixing of coupling halves;
 
    - •	 Conical valve;
 
 
    
    We remind you that the  quick-release couplings produced by Hydrosila comply with the international standards ISO 16028, ISO 7241-A