Direct Acting Differential Area Relief Valves - RDH083K30

Parker’s direct acting differential area relief valves are for fast response intermittent applications and work up to 380 bar (5500 psi) and 151 lpm (40 gpm). These valves have lower leakage rates and pressure rise than standard direct acting reliefs.
Availability: Backordered
SKU: RDH083K30
$91.50
Products specifications
Attribute nameAttribute value
Body MaterialN/AMaximum Pressure Setting210 bar
Seal MaterialNitrileMaximum Operating Pressure5500 psi
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature-34 °CFlow Rate12 Gal/min
Actuation TypePressure SensingFunctionDirect Acting
Cavity SizeC08-2Operation TypeAutomatic
Adjustment MechanismKnobMaximum Tank Pressure350 bar
Port Thread Sizen/aMaximum Flow Rate45 L/min
Maximum Inlet Pressure Rating5500 psiFor Fluid TypeMineral-based or synthetic hydraulic fluids
Maximum Operating Temperature+121 °CValve MaterialAll parts steel. All operating parts hardened steel
Operating Temperature-34 to +121 °CFilter Efficiency RatingISO 4406 18/16/13, SAE Class 4
Mounting TypeScrew in cartridge valveStandard Setting Pressure1500 psi
Cracking PressureN/A psiLeak Rate10 @ 75% Crack Pressure drops/min
ConfigurationDifferential Area Relief, Differential Relief w/Reverse Flow CheckWeight0.43 lb
Reseat Pressure75% of pressure settingInstallation Torque31 Nm
Pressure Control Range1000-3000 psiPressure Control Sensitivity27 per turn bar
Minimum Operating Pressure380 bar
Seal MaterialNitrileAdjustment MechanismKnob
Mounting TypeScrew in cartridge valveCracking PressureN/A
Flow Rate12 GAL/MIN, 45 L/MINMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Standard Setting Pressure1500 PSI, 103.5 BARPressure Control Range1000-3000 PSI, 69-210 BAR
Product resources

REWARD Status

Previous Reward Dollars Spent: $0.00. Register or Sign In so we can keep track of your Reward dollars spent.
Interchange Lookup

Interchange Lookup

Parker Interchange

Your one-stop-shop for all your filtration, hydraulic, pneumatic, hose, fittings, coupling and other motion control products. Click here for the dedicated page for you cross-reference or replacement search that also shows availability and price.

Exact match Begins with Contains