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Parker RDH101T20 - 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. RDH101T20

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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
Weight	0.4 lb	Function	Direct Acting
Configuration	Pressure Relief	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Tamper Resistant
Wire Mesh Screen Included	n/a	Cavity Size	C10-2
Maximum Tank Pressure	350 bar	Seal Material	D-Ring (Standard)
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
Maximum Operating Temperature	+93 °C	Installation Torque	50-56 Nm
Maximum Operating Pressure	380 bar	Flow Rate	1.9 L/min
Maximum Flow Rate	1.9 L/min	Standard Setting Pressure	69 bar
Maximum Pressure Setting	2000 psi	Pressure Control Sensitivity	570 per turn psi
Reseat Pressure	90% of pressure setting	Leak Rate	0.33 @ 75% Crack Pressure cm3/min
Pressure Control Range	100-2000 psi	Adjustment Mechanism	Tamper Resistant
Seal Material	D-Ring (Standard)	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Pressure Control Range	100-2000 PSI, 6.9-138 BAR	Flow Rate	0.5 GAL/MIN, 1.9 L/MIN

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