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Parker RDCH103K20-8T - Direct Acting Differential Area Relief Valves

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.

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Brand Parker

Part No. RDCH103K20-8T

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Products specifications

Attribute name	Attribute value
Minimum Operating Temperature	-35	Body Material	Steel
Division	Hydraulic Systems Division	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Weight	2.7	Cavity Size	n/a
Cracking Pressure	5	Maximum Operating Pressure	5500
Function	Direct Acting	Actuation Type	Pressure Sensing
Operation Type	Automatic	Adjustment Mechanism	Knob
Maximum Tank Pressure	5000	Seal Material	D-Ring (Standard)
Maximum Flow Rate	16	Flow Rate	16
Maximum Inlet Pressure Rating	5500	Mounting Type	Line Mounted
Maximum Operating Temperature	+200	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
Operating Temperature	-35 to +200	Installation Torque	N/A
Standard Setting Pressure	1000	Port Thread Size	SAE-8
Maximum Pressure Setting	2000	Leak Rate	5 @ 75% Crack Pressure
Reseat Pressure	85% of pressure setting	Configuration	Differential Area Relief, Differential Relief w/Reverse Flow Check
Pressure Control Range	500-2000	Minimum Operating Pressure	380
Pressure Control Sensitivity	246 per turn	Adjustment Mechanism	Knob
Seal Material	D-Ring (Standard)	Flow Rate	16 GAL/MIN, 60 L/MIN
Cracking Pressure	5 PSI, 0.3 BAR	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Mounting Type	Line Mounted	Pressure Control Range	500-2000 PSI, 34.5-138 BAR
Standard Setting Pressure	1000 PSI, 69 BAR

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