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Parker RD102S09 - 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).

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Brand Parker

Part No. RD102S09

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Products specifications

Attribute name	Attribute value
Body Material	n/a	Division	Hydraulic Systems Division
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-35 °F
Maximum Operating Temperature	+200 °F	Weight	0.5 lb
Function	Direct Acting	Configuration	Pressure Relief
Actuation Type	Pressure Sensing	Operation Type	Automatic
Adjustment Mechanism	Screw	Wire Mesh Screen Included	n/a
Cavity Size	C10-2	Flow Rate	10 Gal/min
Seal Material	D-Ring (Standard)	Maximum Flow Rate	38 L/min
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	Maximum Operating Pressure	3600 psi
Maximum Inlet Pressure Rating	250 bar	Maximum Tank Pressure	210 bar
Installation Torque	37-41 lb-ft	Leak Rate	5 @ 75% Crack Pressure drops/min
Reseat Pressure	85% of pressure setting	Pressure Control Range	6.9-62 bar
Maximum Pressure Setting	62 bar	Standard Setting Pressure	31 bar
Pressure Control Sensitivity	7.2 per turn bar	Adjustment Mechanism	Screw
Seal Material	D-Ring (Standard)	Flow Rate	10 GAL/MIN, 38 L/MIN
Maximum Inlet Pressure Rating	3600 PSI, 250 BAR	Pressure Control Range	100-900 PSI, 7-62 BAR

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