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

RDH081S50 - Direct Acting Relief Valves

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).

Manufacturer: Parker

Availability:	Backordered Estimated Lead Time: 36 days
Partner Available:	104 in stock

SKU RDH081S50

$52.03/each

Bypass upcharge for backordered quantity

Products specifications

Attribute name	Attribute value
UOM	EA	Adjustment Mechanism	Screw
Seal Material	D-Ring (Standard)	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	200-5000 PSI, 13.8-350 BAR	Flow Rate	0.5 GAL/MIN, 1.9 L/MIN
Division	Hydraulic Systems Division	Operating Temperature	-37 to +93 °C
Flow Rate	1.9 L/min	Actuation Type	Pressure Sensing
Maximum Flow Rate	1.9 L/min	Maximum Operating Pressure	5500 psi
Maximum Operating Temperature	+93 °C	Minimum Operating Temperature	-37 °C
Body Material	N/A	Seal Material	D-Ring (Standard)
Weight	0.09 kg	Mounting Type	Screw in cartridge valve
Operation Type	Automatic	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Configuration	Pressure Relief	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Function	Direct Acting	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Leak Rate	5 @ 75% Crack Pressure drops/min	Cavity Size	C08-2
Valve Material	All parts steel. All operating parts hardened steel	Installation Torque	32-36 lb-ft
Maximum Inlet Pressure Rating	380 bar	Adjustment Mechanism	Screw
Maximum Pressure Setting	350 bar	Reseat Pressure	90% of pressure setting
Maximum Tank Pressure	5000 psi	Pressure Control Range	13.8-350 bar
Standard Setting Pressure	172.4 bar	Wire Mesh Screen Included	N/A
Pressure Control Sensitivity	1910 per turn psi

Product resources

Literature and Reference Materials