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Parker XRDH101S20-8T - Direct Acting Cross-Over Relief Valves

Cross-Over Relief cartridge valves provide pressure protection to hydraulic motors, cylinders and rotary actuators up to 120 lpm (32 gpm) and 350 bar (5000 psi). Available in single or dual cartridge, in-line, manifold, or motor mount configurations.

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Brand Parker

Part No. XRDH101S20-8T

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Products specifications

Attribute name	Attribute value
Configuration	Dual Cross-over Relief	Port Thread Size	SAE-8
Reseat Pressure	85% of pressure setting	Operating Temperature	-35 to +200 °F
Installation Torque	N/A Nm	Maximum Pressure Setting	2000 psi
Pressure Control Sensitivity	246 per turn psi	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Seal Material	D-Ring (Standard)	Leak Rate	0.33 @ 75% Crack Pressure cm3/min
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Maximum Tank Pressure	350 bar
Maximum Operating Temperature	+200 °F	Minimum Operating Temperature	-37 °C
Operation Type	Automatic	Maximum Inlet Pressure Rating	5000 psi
Valve Material	All parts steel. All operating parts hardened steel	Actuation Type	Pressure Sensing
Standard Setting Pressure	1000 psi	Function	Bi-directional
Body Material	Steel	Division	Hydraulic Systems Division
Mounting Type	Line Mounted	Cavity Size	n/a
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Weight	4.5 lb
Cracking Pressure	N/A psi	Maximum Flow Rate	20 Gal/min
Maximum Operating Pressure	5000 psi	Pressure Control Range	34.5-138 bar
Adjustment Mechanism	Screw	Flow Rate	20 Gal/min
Mounting Type	Line Mounted	Maximum Inlet Pressure Rating	5000 PSI, 350 BAR
Flow Rate	20 GPM, 75 L/MIN	Pressure Control Range	500-2000 PSI, 34.5-138 BAR
Seal Material	D-Ring (Standard)	Cracking Pressure	N/A
Adjustment Mechanism	Screw	Standard Setting Pressure	1000 PSI, 69 BAR

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