Direct Acting Relief Valves - RDH042S30

Parker’s direct acting relief valves are available in several cavity sizes and are designed for continuous duty applications with pressures up to 420 bar (6000 psi) and flows up to 200 lpm (53 gpm).
Availability: Backordered
SKU: RDH042S30
$67.80
Products specifications
Attribute nameAttribute value
Body MaterialN/AWeight0.03 kg
Seal MaterialNitrileMinimum Operating Temperature-30 °F
DivisionHydraulic Systems DivisionMaximum Kinematic Viscosity45-2000 SSU (6 to 420 cSt)
Maximum Operating Pressure380 barActuation TypePressure Sensing
FunctionDirect ActingConfigurationPressure Relief
Maximum Pressure Setting3000 psiOperation TypeAutomatic
Adjustment MechanismScrewWire Mesh Screen Includedn/a
Maximum Tank Pressure350 barCavity SizeC04-2
Maximum Flow Rate1 Gal/minMaximum Inlet Pressure Rating380 bar
Flow Rate3.8 L/minInstallation Torque7 lb-ft
For Fluid TypeMineral-based or synthetic hydraulic fluidsMaximum Operating Temperature+250 °F
Valve MaterialAll parts steel. All operating parts hardened steelOperating Temperature-34 to +121 °C
Filter Efficiency RatingISO 4406 18/16/13, SAE Class 4Mounting TypeScrew in cartridge valve
Standard Setting Pressure1500 psiReseat Pressure80% of pressure setting
Leak Rate0.66 @ 75% Crack Pressure cm3/minPressure Control Range6.9-210 bar
Pressure Control Sensitivity1522 per turn psi
Seal MaterialNitrileAdjustment MechanismScrew
Flow Rate1 GAL/MIN, 3.8 L/MINMaximum Inlet Pressure Rating5500 PSI, 380 BAR
Pressure Control Range100-3000 PSI, 6.9-210 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