*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker RDH083K30 - 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.

Availability:	Quote Required
Partner Available:	Quote Required

Brand Parker

Part No. RDH083K30

Ship to

Shipping Method

Estimated Delivery

Price

No shipping options

Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Body Material	n/a
Maximum Operating Pressure	5500 psi	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-34 °C
Flow Rate	12 Gal/min	Function	Direct Acting
Actuation Type	Pressure Sensing	Maximum Pressure Setting	210 bar
Cavity Size	C08-2	Operation Type	Automatic
Adjustment Mechanism	Knob	Maximum Tank Pressure	350 bar
Port Thread Size	n/a	Maximum Flow Rate	45 L/min
Maximum Inlet Pressure Rating	5500 psi	Maximum Operating Temperature	+121 °C
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Operating Temperature	-34 to +121 °C	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Mounting Type	Screw in cartridge valve	Standard Setting Pressure	1500 psi
Cracking Pressure	N/A psi	Leak Rate	10 @ 75% Crack Pressure drops/min
Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check	Reseat Pressure	75% of pressure setting
Weight	0.43 lb	Installation Torque	31 Nm
Pressure Control Range	1000-3000 psi	Minimum Operating Pressure	380 bar
Pressure Control Sensitivity	27 per turn bar	Seal Material	Nitrile
Adjustment Mechanism	Knob	Mounting Type	Screw in cartridge valve
Cracking Pressure	N/A	Flow Rate	12 GAL/MIN, 45 L/MIN
Maximum Inlet Pressure Rating	5500 PSI, 380 BAR	Standard Setting Pressure	1500 PSI, 103.5 BAR
Pressure Control Range	1000-3000 PSI, 69-210 BAR

Product resources

Literature and Reference Materials