Hydraulic quick couplings
Hydraulic quick couplings
Hydraulic quick couplings allow fast and tool-free connection and disconnection of hydraulic hoses with minimal risk of oil leakage. In modern hydraulic power systems, connection tightness, contamination control and operator safety are critical factors.
Flat-face quick couplings ISO 16028
In many industrial and mobile applications, flat-face quick couplings compliant with ISO 16028 are the standard solution. Their flat-face design eliminates leakage during disconnection and reduces the entry of contaminants into the hydraulic system. This is especially important in applications requiring high fluid cleanliness and environmental protection.
Types of hydraulic quick couplings
| Coupling type | Standard | Advantages | Working pressure |
|---|---|---|---|
| Flat-Face (FF) | ISO 16028 | No leakage, easy cleaning | Up to 700 bar |
| Poppet type | ISO 7241-A / ISO 7241-B | Low cost, common in agriculture | Up to 350 bar |
| Screw type | ISO 14541 | Can be connected under residual pressure | Up to 700 bar |
| Multi-couplings | - | Simultaneous connection of multiple lines | Depends on the inserts used |
Safety and strength margin
New generations of flat-face quick couplings can reach burst pressures of up to 1400 bar, providing a high safety margin in applications with strong pressure pulsation. Proper selection of coupling type according to the system working parameters is essential for hose durability and the reliability of the entire hydraulic installation.
