Direct Acting Differential Area Relief Valves

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker's selection of differential area relief valves provide excellent pressure control in applications where a fast acting, low leakage relief valves are needed with operating pressures up to 380 bar (5500 psi) and flows up to 151 lpm (40 gpm) through a wide selectin of cartridge sizes. Unlike the direct acting family of relief valves, Parker's differential area relief valves are designed to have the pressure controlled at port 2 of the cavity. This ensures low leakage across the valve, essential in some holding applications. Designed using industry common cavities, Parker’s line of differential area reliefs can easily be used in various mobile and industrial system applications.

Markets:
• Agriculture
• Aerial
• Construction Equipment
• Industrial
• Miscellaneous Manufacturing
• Miscellaneous Mobile

Features/Benefits:
• Fast acting differential area reliefs for high flow capacity
• Low leak spherical poppets
• High flow capacity
• Mechanical stops eliminate spring solidification
• All external parts zinc plated

Applications:
• Port relief
• Swing relief
• Motor braking
• Cross port relief applications

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SKU	Availability	Partner Available	Price	UOM	Seal Material	Adjustment Mechanism	Mounting Type	Cracking Pressure	Flow Rate	Maximum Inlet Pressure Rating	Standard Setting Pressure	Pressure Control Range	Cavity Size	Cracking Pressure	Minimum Operating Temperature	Adjustment Mechanism	Mounting Type	Port Thread Size	Flow Rate	Maximum Kinematic Viscosity	Configuration	Pressure Control Sensitivity	Operating Temperature	Pressure Control Range	Filter Efficiency Rating	Maximum Operating Pressure	Weight	Body Material	Actuation Type	Operation Type	Standard Setting Pressure	Division	Installation Torque	Reseat Pressure	Maximum Flow Rate	For Fluid Type	Minimum Operating Pressure	Maximum Pressure Setting	Seal Material	Leak Rate	Maximum Inlet Pressure Rating	Maximum Operating Temperature	Valve Material	Maximum Tank Pressure	Function
RDH083T50	Backordered	Backordered	$73.08/each	EA	Nitrile	Tamper Resistant	Screw in cartridge valve	N/A	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	2000-5000 PSI, 138-350 BAR	C08-2	N/A psi	-30 °F	Tamper Resistant	Screw in cartridge valve	N/A	12 Gal/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	614 per turn psi	-34 to +121 °C	2000-5000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.19 kg	N/A	Pressure Sensing	Automatic	2500 psi	Hydraulic Systems Division	31 Nm	75% of pressure setting	12 Gal/min	Mineral-based or synthetic hydraulic fluids	380 bar	5000 psi	Nitrile	10 @ 75% Crack Pressure drops/min	380 bar	+121 °C	All parts steel. All operating parts hardened steel	350 bar	Direct Acting
RDH103K10	Backordered	Backordered	$60.68/each	EA	D-Ring (Standard)	Knob	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	500 PSI, 34.5 BAR	100-1000 PSI, 6.9-69 BAR	C10-2	N/A psi	-35 °F	Knob	Screw in cartridge valve	N/A	20 Gal/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	9.8 per turn bar	-37 to +93 °C	6.9-69 bar	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	34.5 bar	Hydraulic Systems Division	69-75 Nm	85% of pressure setting	20 Gal/min	Mineral-based or synthetic hydraulic fluids	380 bar	1000 psi	D-Ring (Standard)	.33 @ 75% Crack Pressure cm3/min	5500 psi	+200 °F	All parts steel. All operating parts hardened steel	350 bar	Direct Acting
RDH103K10V	Backordered	Backordered	$65.47/each	EA	Fluorocarbon	Knob	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	500 PSI, 34.5 BAR	100-1000 PSI, 6.9-69 BAR	C10-2	N/A psi	-26 °C	Knob	Screw in cartridge valve	N/A	75 L/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	9.8 per turn bar	-26 to +204 °C	100-1000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.23 kg	N/A	Pressure Sensing	Automatic	500 psi	Hydraulic Systems Division	69-75 Nm	85% of pressure setting	20 Gal/min	Mineral-based or synthetic hydraulic fluids	380 bar	1000 psi	Fluorocarbon	5 @ 75% Crack Pressure drops/min	5500 psi	+400 °F	All parts steel. All operating parts hardened steel	5000 psi	Direct Acting
RDH103K30	Backordered	Backordered	$60.68/each	EA	D-Ring (Standard)	Knob	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	500-3000 PSI, 34.5-210 BAR	C10-2	N/A psi	-35 °F	Knob	Screw in cartridge valve	N/A	75 L/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	25.8 per turn bar	-35 to +200 °F	69-210 bar	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	103.5 bar	Hydraulic Systems Division	69-75 Nm	85% of pressure setting	20 Gal/min	Mineral-based or synthetic hydraulic fluids	380 bar	3000 psi	D-Ring (Standard)	.33 @ 75% Crack Pressure cm3/min	380 bar	+200 °F	All parts steel. All operating parts hardened steel	5000 psi	Direct Acting
RDH103K30V	Backordered	Backordered	$65.47/each	EA	Fluorocarbon	Knob	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	500-3000 PSI, 34.5-210 BAR	C10-2	N/A psi	-15 °F	Knob	Screw in cartridge valve	N/A	20 Gal/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	375 per turn psi	-15 to +400 °F	1000-3000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.23 kg	N/A	Pressure Sensing	Automatic	1500 psi	Hydraulic Systems Division	69-75 Nm	85% of pressure setting	20 Gal/min	Mineral-based or synthetic hydraulic fluids	380 bar	210 bar	Fluorocarbon	.33 @ 75% Crack Pressure cm3/min	5500 psi	+400 °F	All parts steel. All operating parts hardened steel	350 bar	Direct Acting
RDH103K50	Backordered	1 Limited Stock	$78.89/each	EA	D-Ring (Standard)	Knob	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	500-5000 PSI, 34.5-350 BAR	C10-2	N/A psi	-35 °F	Knob	Screw in cartridge valve	N/A	20 Gal/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	589 per turn psi	-37 to +93 °C	2000-5000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	172 bar	Hydraulic Systems Division	51-55 lb-ft	85% of pressure setting	20 Gal/min	Mineral-based or synthetic hydraulic fluids	380 bar	5000 psi	D-Ring (Standard)	.33 @ 75% Crack Pressure cm3/min	380 bar	+93 °C	All parts steel. All operating parts hardened steel	5000 psi	Direct Acting
RDH103K50V	Backordered	Backordered	$65.47/each	EA	Fluorocarbon	Knob	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	500-5000 PSI, 34.5-350 BAR	C10-2	N/A psi	-15 °F	Knob	Screw in cartridge valve	N/A	75 L/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	589 per turn psi	-15 to +400 °F	2000-5000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	2500 psi	Hydraulic Systems Division	51-55 lb-ft	85% of pressure setting	75 L/min	Mineral-based or synthetic hydraulic fluids	380 bar	350 bar	Fluorocarbon	.33 @ 75% Crack Pressure cm3/min	5500 psi	+204 °C	All parts steel. All operating parts hardened steel	350 bar	Direct Acting
RDH103S10	Backordered	Backordered	$46.76/each	EA	D-Ring (Standard)	Screw	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	500 PSI, 34.5 BAR	100-1000 PSI, 6.9-69 BAR	C10-2	N/A psi	-35 °F	Screw	Screw in cartridge valve	N/A	75 L/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	143 per turn psi	-35 to +200 °F	100-1000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	34.5 bar	Hydraulic Systems Division	69-75 Nm	85% of pressure setting	75 L/min	Mineral-based or synthetic hydraulic fluids	380 bar	1000 psi	D-Ring (Standard)	5 @ 75% Crack Pressure drops/min	5500 psi	+93 °C	All parts steel. All operating parts hardened steel	350 bar	Direct Acting
RDH103S10V	Backordered	Backordered	$53.72/each	EA	Fluorocarbon	Screw	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	500 PSI, 34.5 BAR	100-1000 PSI, 6.9-69 BAR	C10-2	N/A psi	-26 °C	Screw	Screw in cartridge valve	N/A	20 Gal/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	143 per turn psi	-26 to +204 °C	100-1000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	34.5 bar	Hydraulic Systems Division	51-55 lb-ft	85% of pressure setting	20 Gal/min	Mineral-based or synthetic hydraulic fluids	380 bar	1000 psi	Fluorocarbon	5 @ 75% Crack Pressure drops/min	380 bar	+204 °C	All parts steel. All operating parts hardened steel	5000 psi	Direct Acting
RDH103S30	12 in stock	12 in stock	$46.76/each	EA	D-Ring (Standard)	Screw	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	500-3000 PSI, 34.5-210 BAR	C10-2	N/A psi	-37 °C	Screw	Screw in cartridge valve	N/A	20 Gal/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	375 per turn psi	-35 to +200 °F	1000-3000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.23 kg	N/A	Pressure Sensing	Automatic	1500 psi	Hydraulic Systems Division	51-55 lb-ft	85% of pressure setting	20 Gal/min	Mineral-based or synthetic hydraulic fluids	380 bar	210 bar	D-Ring (Standard)	5 @ 75% Crack Pressure drops/min	380 bar	+93 °C	All parts steel. All operating parts hardened steel	350 bar	Direct Acting
RDH103S30V	Backordered	Backordered	$53.72/each	EA	Fluorocarbon	Screw	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	500-3000 PSI, 34.5-210 BAR	C10-2	N/A psi	-26 °C	Screw	Screw in cartridge valve	N/A	75 L/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	375 per turn psi	-15 to +400 °F	1000-3000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	103.5 bar	Hydraulic Systems Division	51-55 lb-ft	85% of pressure setting	75 L/min	Mineral-based or synthetic hydraulic fluids	380 bar	3000 psi	Fluorocarbon	5 @ 75% Crack Pressure drops/min	5500 psi	+204 °C	All parts steel. All operating parts hardened steel	350 bar	Direct Acting
RDH103S50	111 in stock	56 in stock	$46.76/each	EA	D-Ring (Standard)	Screw	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	500-5000 PSI, 34.5-350 BAR	C10-2	N/A psi	-37 °C	Screw	Screw in cartridge valve	N/A	75 L/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	40.6 per turn bar	-35 to +200 °F	138-350 bar	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	2500 psi	Hydraulic Systems Division	51-55 lb-ft	85% of pressure setting	75 L/min	Mineral-based or synthetic hydraulic fluids	380 bar	5000 psi	D-Ring (Standard)	5 @ 75% Crack Pressure drops/min	5500 psi	+93 °C	All parts steel. All operating parts hardened steel	5000 psi	Direct Acting
RDH103S50V	Backordered	Backordered	$53.72/each	EA	Fluorocarbon	Screw	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	500-5000 PSI, 34.5-350 BAR	C10-2	N/A psi	-26 °C	Screw	Screw in cartridge valve	N/A	75 L/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	589 per turn psi	-26 to +204 °C	2000-5000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	172 bar	Hydraulic Systems Division	51-55 lb-ft	85% of pressure setting	75 L/min	Mineral-based or synthetic hydraulic fluids	380 bar	350 bar	Fluorocarbon	5 @ 75% Crack Pressure drops/min	380 bar	+400 °F	All parts steel. All operating parts hardened steel	350 bar	Direct Acting
RDH103T10	Backordered	Backordered	$59.60/each	EA	D-Ring (Standard)	Tamper Resistant	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	500 PSI, 34.5 BAR	100-1000 PSI, 6.9-69 BAR	C10-2	N/A psi	-37 °C	Tamper Resistant	Screw in cartridge valve	N/A	75 L/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	9.8 per turn bar	-37 to +93 °C	100-1000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.23 kg	N/A	Pressure Sensing	Automatic	500 psi	Hydraulic Systems Division	69-75 Nm	85% of pressure setting	20 Gal/min	Mineral-based or synthetic hydraulic fluids	380 bar	69 bar	D-Ring (Standard)	.33 @ 75% Crack Pressure cm3/min	380 bar	+200 °F	All parts steel. All operating parts hardened steel	350 bar	Direct Acting
RDH103T30	4 in stock	Backordered	$59.60/each	EA	D-Ring (Standard)	Tamper Resistant	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	500-3000 PSI, 34.5-210 BAR	C10-2	N/A psi	-35 °F	Tamper Resistant	Screw in cartridge valve	N/A	75 L/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	375 per turn psi	-37 to +93 °C	1000-3000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	1500 psi	Hydraulic Systems Division	51-55 lb-ft	85% of pressure setting	75 L/min	Mineral-based or synthetic hydraulic fluids	380 bar	3000 psi	D-Ring (Standard)	.33 @ 75% Crack Pressure cm3/min	5500 psi	+200 °F	All parts steel. All operating parts hardened steel	350 bar	Direct Acting
RDH103T30V	Backordered	Backordered	$64.60/each	EA	Fluorocarbon	Tamper Resistant	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	500-3000 PSI, 34.5-210 BAR	C10-2	N/A psi	-15 °F	Tamper Resistant	Screw in cartridge valve	N/A	20 Gal/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	375 per turn psi	-26 to +204 °C	1000-3000 psi	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	103.5 bar	Hydraulic Systems Division	51-55 lb-ft	85% of pressure setting	75 L/min	Mineral-based or synthetic hydraulic fluids	380 bar	210 bar	Fluorocarbon	.33 @ 75% Crack Pressure cm3/min	380 bar	+400 °F	All parts steel. All operating parts hardened steel	350 bar	Direct Acting
RDH103T50	Backordered	Backordered	$59.60/each	EA	D-Ring (Standard)	Tamper Resistant	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	500-5000 PSI, 34.5-350 BAR	C10-2	N/A psi	-35 °F	Tamper Resistant	Screw in cartridge valve	N/A	20 Gal/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	589 per turn psi	-35 to +200 °F	138-350 bar	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.23 kg	N/A	Pressure Sensing	Automatic	172 bar	Hydraulic Systems Division	51-55 lb-ft	85% of pressure setting	75 L/min	Mineral-based or synthetic hydraulic fluids	380 bar	350 bar	D-Ring (Standard)	.33 @ 75% Crack Pressure cm3/min	5500 psi	+93 °C	All parts steel. All operating parts hardened steel	5000 psi	Direct Acting
RDH103T50V	Backordered	Backordered	$64.60/each	EA	Fluorocarbon	Tamper Resistant	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	500-5000 PSI, 34.5-350 BAR	C10-2	N/A psi	-26 °C	Tamper Resistant	Screw in cartridge valve	N/A	20 Gal/min	45-2000 SSU (6 to 420 cSt)	Differential Area Relief, Differential Relief w/Reverse Flow Check	589 per turn psi	-15 to +400 °F	138-350 bar	ISO 4406 18/16/13, SAE Class 4	5500 psi	0.5 lb	N/A	Pressure Sensing	Automatic	172 bar	Hydraulic Systems Division	51-55 lb-ft	85% of pressure setting	20 Gal/min	Mineral-based or synthetic hydraulic fluids	380 bar	5000 psi	Fluorocarbon	5 @ 75% Crack Pressure drops/min	380 bar	+204 °C	All parts steel. All operating parts hardened steel	5000 psi	Direct Acting