The Duplomatic MRQA is an automatic unloading valve designed specifically for hydraulic circuits with accumulators.
The Duplomatic MRQA is an automatic unloading valve designed specifically for hydraulic circuits with accumulators. Its primary function is to optimize energy consumption by diverting pump flow to the tank once a preset pressure is reached, and restoring flow when pressure drops below a defined threshold.
Key Features
Mounting Style: Subplate, ISO 4401-03
Max Operating Pressure: 350 bar
Max Flow Rate: 40 l/min
Pressure Adjustment Range:
25–70 bar
100–280 bar
Reset Thresholds:
63 or 75 of the set pressure, depending on version
Adjustment Options:
Hex screw
SICBLOC knob
Check Valve Option: MRQA/C version includes integrated check valve
