Manufacturer Part Number: RD-1875-H|Valve Type|Hydraulic ReliefMaximum Flow Rate (Gpm - 2 Decimals)|20.00Inlet Size|3/4Outlet Size|3/4Thread Standard|Thread Size|Flow Regulation Type|Maximum Working Pressure (Psi - 3 Decimals)|2500Number of Positions|Cavity Size|Body Material|Cast IronOverall Length (Decimal Inch)|4.5570Overall Length (Inch)|Overall Length (mm)|Overall Width (Inch)|1-1/2Overall Width (mm)|Overall Width (Decimal Inch - 4 Decimals)|1.5000Overall Height (Inch)|Overall Height (Decimal Inch)|4.5570Overall Height (Mm - 5 Decimals)|Mounting Pattern|Number Of Ports|1Seal Material|Handle Type|Style|Number of Spools|Input Current|Number of Solenoids|Input Voltage|Maximum Temperature (F) ( - 0 Decimals)|Outlet Thread Size|Minimum Temperature (Deg F - 3 Decimals)|Inlet Thread Size|Product Service Code|UNSPSC Code|