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Direct Acting Differential Area Relief Valves - RDH083S50

Name: Direct Acting Differential Area Relief Valves - RDH083S50
SKU: RDH083S50

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

SKU RDH083S50

$59.38

Products specifications

Attribute name	Attribute value
UOM	EA	Seal Material	Nitrile
Adjustment Mechanism	Screw	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	2500 PSI, 172 BAR
Pressure Control Range	2000-5000 PSI, 138-350 BAR	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	Function	Direct Acting
Actuation Type	Pressure Sensing	Cavity Size	C08-2
Operation Type	Automatic	Adjustment Mechanism	Screw
Maximum Tank Pressure	350 bar	Port Thread Size	n/a
Maximum Flow Rate	12 Gal/min	Flow Rate	45 L/min
Maximum Inlet Pressure Rating	380 bar	Maximum Operating Temperature	+121 °C
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Valve Material	All parts steel. All operating parts hardened steel	Operating Temperature	-30 to +250 °F
Mounting Type	Screw in cartridge valve	Weight	0.19 kg
Maximum Pressure Setting	350 bar	Standard Setting Pressure	2500 psi
Cracking Pressure	N/A psi	Leak Rate	.66 @ 75% Crack Pressure cm3/min
Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check	Reseat Pressure	75% of pressure setting
Installation Torque	31 Nm	Pressure Control Range	2000-5000 psi
Pressure Control Sensitivity	42 per turn bar	Minimum Operating Pressure	380 bar

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