A blind coupling is used when testing the pressure of the pressure hose, hydrant valve, or closing the opening of the device (hydraulic attachment, pump, hydrant, etc.) to prevent the deterioration of mechanical impurities.
Firefighting equipment:
A blind coupling is used when testing the pressure of the pressure hose, hydrant valve, or closing the opening of the device (hydraulic attachment, pump, hydrant, etc.) to prevent the deterioration of mechanical impurities.