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Parker RDCH103S30P20-8T - 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. RDCH103S30P20-8T

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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
Maximum Operating Pressure	5500	Function	Direct Acting
Actuation Type	Pressure Sensing	Maximum Pressure Setting	3000
Operation Type	Automatic	Adjustment Mechanism	Screw
Maximum Tank Pressure	5000	Seal Material	D-Ring (Standard)
Maximum Flow Rate	16	Flow Rate	16
Cracking Pressure	20	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	Port Thread Size	SAE-8
Standard Setting Pressure	1500	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	500-3000	Minimum Operating Pressure	380
Pressure Control Sensitivity	375 per turn	Adjustment Mechanism	Screw
Seal Material	D-Ring (Standard)	Flow Rate	16 GAL/MIN, 60 L/MIN
Cracking Pressure	20 PSI, 1.4 BAR	Maximum Inlet Pressure Rating	5500 PSI, 380 BAR
Mounting Type	Line Mounted	Pressure Control Range	500-3000 PSI, 34.5-210 BAR
Standard Setting Pressure	1500 PSI, 103.5 BAR

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