Q/ZB275-77 quick coupler, hose quick connectors, Hydraulic quick connectors 
 Q/ZB275-77 retractable hydraulic quick connector has the following characteristics: 1, connector disconnected, the valve automatically closes to prevent leakage. 
 2, the connector connected, the valve automatically opens, within the rated flow of fluid is always maintained. 
 3, the ball lock mechanism can be thousands of cross-matching the two halves together. 
 4, the female socket and male plug with solid bar precision manufacturing. 
 Q/ZB275-77 hydraulic quick connectors are widely used in various industrial connectors required, mainly for construction equipment, forestry equipment, hydraulic machinery, steel hydraulic equipment and the required application.