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Direct Acting Differential Area Relief Valves - RDH103K30

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
Partner Available:	Backordered

SKU: RDH103K30

$66.50

Products specifications

Attribute name	Attribute value
Body Material	n/a	Maximum Operating Pressure	5500 psi
Minimum Operating Temperature	-35 °F	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Division	Hydraulic Systems Division	Maximum Operating Temperature	+200 °F
Weight	0.5 lb	Function	Direct Acting
Actuation Type	Pressure Sensing	Maximum Pressure Setting	3000 psi
Cavity Size	C10-2	Operation Type	Automatic
Adjustment Mechanism	Knob	Maximum Tank Pressure	5000 psi
Port Thread Size	n/a	Seal Material	D-Ring (Standard)
Maximum Flow Rate	20 Gal/min	Maximum Inlet Pressure Rating	380 bar
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Mounting Type	Screw in cartridge valve
Operating Temperature	-35 to +200 °F	Flow Rate	75 L/min
Installation Torque	69-75 Nm	Standard Setting Pressure	103.5 bar
Cracking Pressure	N/A psi	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Reseat Pressure	85% of pressure setting	Leak Rate	.33 @ 75% Crack Pressure cm3/min
Pressure Control Range	69-210 bar	Pressure Control Sensitivity	25.8 per turn bar
Minimum Operating Pressure	380 bar
Mounting Type	Screw in cartridge valve	Adjustment Mechanism	Knob
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
Standard Setting Pressure	1500 PSI, 103.5 BAR	Pressure Control Range	500-3000 PSI, 34.5-210 BAR

Product resources

Literature and Reference Materials