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Parker RDH103S30 - Direct Acting Differential Area Relief Valves

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.

AFP Availability:	Quote Required
Partner Available:	6 In Stock

Brand Parker

Part No. RDH103S30

$65.60/each

Products specifications

Attribute name	Attribute value
UOM	EA	Maximum Operating Pressure	5500 psi
Actuation Type	Pressure Sensing	Seal Material	D-Ring (Standard)
Weight	0.23 kg	Maximum Inlet Pressure Rating	380 bar
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Cracking Pressure	N/A psi
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Adjustment Mechanism	Screw
Valve Material	All parts steel. All operating parts hardened steel	Maximum Pressure Setting	210 bar
Pressure Control Sensitivity	375 per turn psi	Function	Direct Acting
Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check	Maximum Tank Pressure	350 bar
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Pressure Control Range	1000-3000 psi
Cavity Size	C10-2	Maximum Operating Temperature	+93 °C
Mounting Type	Screw in cartridge valve	Standard Setting Pressure	1500 psi
Maximum Flow Rate	20 Gal/min	Leak Rate	5 @ 75% Crack Pressure drops/min
Operation Type	Automatic	Body Material	N/A
Minimum Operating Temperature	-37 °C	Installation Torque	51-55 lb-ft
Operating Temperature	-35 to +200 °F	Minimum Operating Pressure	380 bar
Division	Hydraulic Systems Division	Reseat Pressure	85% of pressure setting
Flow Rate	20 Gal/min	Port Thread Size	N/A
Adjustment Mechanism	Screw	Mounting Type	Screw in cartridge valve
Cracking Pressure	N/A	Seal Material	D-Ring (Standard)
Flow Rate	20 GAL/MIN, 75 L/MIN	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	500-3000 PSI, 34.5-210 BAR	Standard Setting Pressure	1500 PSI, 103.5 BAR

Product resources

Literature and Reference Materials