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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Part No.	Availability	Partner Available	Price	UOM	Seal Material	Body Material	Maximum Operating Pressure	Division	Maximum Kinematic Viscosity	Minimum Operating Temperature	Flow Rate	Function	Actuation Type	Cavity Size	Operation Type	Adjustment Mechanism	Maximum Tank Pressure	Maximum Pressure Setting	Port Thread Size	Maximum Flow Rate	Maximum Inlet Pressure Rating	Maximum Operating Temperature	For Fluid Type	Valve Material	Operating Temperature	Filter Efficiency Rating	Mounting Type	Weight	Standard Setting Pressure	Cracking Pressure	Leak Rate	Configuration	Reseat Pressure	Installation Torque	Pressure Control Range	Minimum Operating Pressure	Pressure Control Sensitivity	Seal Material	Adjustment Mechanism	Mounting Type	Cracking Pressure	Flow Rate	Maximum Inlet Pressure Rating	Standard Setting Pressure	Pressure Control Range
RDH083T50	Quote Required	Quote Required	TBD		Nitrile	n/a	5500 psi	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-30 °F	12 Gal/min	Direct Acting	Pressure Sensing	C08-2	Automatic	Tamper Resistant	350 bar	5000 psi	n/a	12 Gal/min	380 bar	+121 °C	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-34 to +121 °C	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.19 kg	2500 psi	N/A psi	10 @ 75% Crack Pressure drops/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	75% of pressure setting	31 Nm	2000-5000 psi	380 bar	614 per turn psi	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
RDH083T50V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-15	12	Direct Acting	Pressure Sensing	C08-2	Automatic	Tamper Resistant	5000	5000	n/a	12	5500	+400	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-15 to +400	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.43	2500	n/a	10 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	75% of pressure setting	23	2000-5000	380	614 per turn	Fluorocarbon	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
RDH103F10	Quote Required	Quote Required	TBD		D-Ring (Standard)	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-35	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	1000	n/a	20	5500	+200	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-35 to +200	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	500	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	100-1000	380	n/a	D-Ring (Standard)	Fixed	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
RDH103F10N	Quote Required	Quote Required	TBD		Nitrile	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-30	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	1000	n/a	20	5500	+250	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-30 to +250	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	500	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	100-1000	380	n/a	Nitrile	Fixed	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
RDH103F10V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-15	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	1000	n/a	20	5500	+400	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-15 to +400	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	500	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	100-1000	380	n/a	Fluorocarbon	Fixed	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
RDH103F20	Quote Required	Quote Required	TBD		D-Ring (Standard)	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-35	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	2000	n/a	20	5500	+200	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-35 to +200	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	1000	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	500-2000	380	n/a	D-Ring (Standard)	Fixed	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1000 PSI, 69 BAR	500-2000 PSI, 34.5-138 BAR
RDH103F20N	Quote Required	Quote Required	TBD		Nitrile	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-30	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	2000	n/a	20	5500	+250	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-30 to +250	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	1000	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	500-2000	380	n/a	Nitrile	Fixed	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1000 PSI, 69 BAR	500-2000 PSI, 34.5-138 BAR
RDH103F20V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-15	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	2000	n/a	20	5500	+400	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-15 to +400	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	1000	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	500-2000	380	n/a	Fluorocarbon	Fixed	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1000 PSI, 69 BAR	500-2000 PSI, 34.5-138 BAR
RDH103F30	Quote Required	Quote Required	TBD		D-Ring (Standard)	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-35	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	3000	n/a	20	5500	+200	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-35 to +200	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	1500	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	1000-3000	380	n/a	D-Ring (Standard)	Fixed	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
RDH103F30N	Quote Required	Quote Required	TBD		Nitrile	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-30	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	3000	n/a	20	5500	+250	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-30 to +250	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	1500	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	1000-3000	380	n/a	Nitrile	Fixed	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
RDH103F30V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-15	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	3000	n/a	20	5500	+400	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-15 to +400	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	1500	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	1000-3000	380	n/a	Fluorocarbon	Fixed	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
RDH103F50	Quote Required	Quote Required	TBD		D-Ring (Standard)	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-35	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	5000	n/a	20	5500	+200	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-35 to +200	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	2500	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	2000-5000	380	n/a	D-Ring (Standard)	Fixed	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
RDH103F50N	Quote Required	Quote Required	TBD		Nitrile	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-30	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	5000	n/a	20	5500	+250	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-30 to +250	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	2500	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	2000-5000	380	n/a	Nitrile	Fixed	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
RDH103F50V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-15	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Fixed	5000	5000	n/a	20	5500	+400	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-15 to +400	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	2500	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	2000-5000	380	n/a	Fluorocarbon	Fixed	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
RDH103K10	Quote Required	Quote Required	TBD		D-Ring (Standard)	n/a	5500 psi	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-35 °F	20 Gal/min	Direct Acting	Pressure Sensing	C10-2	Automatic	Knob	350 bar	1000 psi	n/a	20 Gal/min	5500 psi	+200 °F	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-37 to +93 °C	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5 lb	34.5 bar	N/A psi	.33 @ 75% Crack Pressure cm3/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	69-75 Nm	6.9-69 bar	380 bar	9.8 per turn bar	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
RDH103K10N	Quote Required	Quote Required	TBD		Nitrile	n/a	5500 psi	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-34 °C	20 Gal/min	Direct Acting	Pressure Sensing	C10-2	Automatic	Knob	5000 psi	69 bar	n/a	20 Gal/min	380 bar	+250 °F	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-34 to +121 °C	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.23 kg	34.5 bar	N/A psi	5 @ 75% Crack Pressure drops/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55 lb-ft	100-1000 psi	380 bar	143 per turn psi	Nitrile	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
RDH103K10V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	5500 psi	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-26 °C	75 L/min	Direct Acting	Pressure Sensing	C10-2	Automatic	Knob	5000 psi	1000 psi	n/a	20 Gal/min	5500 psi	+400 °F	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-26 to +204 °C	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.23 kg	500 psi	N/A psi	5 @ 75% Crack Pressure drops/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	69-75 Nm	100-1000 psi	380 bar	9.8 per turn bar	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
RDH103K20	Quote Required	Quote Required	$0.01	EA	D-Ring (Standard)	n/a	5500 psi	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-35 °F	75 L/min	Direct Acting	Pressure Sensing	C10-2	Automatic	Knob	350 bar	138 bar	n/a	75 L/min	380 bar	+200 °F	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-35 to +200 °F	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5 lb	1000 psi	N/A psi	.33 @ 75% Crack Pressure cm3/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55 lb-ft	500-2000 psi	380 bar	17 per turn bar	D-Ring (Standard)	Knob	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1000 PSI, 69 BAR	500-2000 PSI, 34.5-138 BAR
RDH103K20N	Quote Required	Quote Required	TBD		Nitrile	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-30	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Knob	5000	2000	n/a	20	5500	+250	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-30 to +250	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	1000	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	500-2000	380	246 per turn	Nitrile	Knob	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1000 PSI, 69 BAR	500-2000 PSI, 34.5-138 BAR
RDH103K20V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	5500	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	-15	20	Direct Acting	Pressure Sensing	C10-2	Automatic	Knob	5000	2000	n/a	20	5500	+400	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	-15 to +400	ISO 4406 18/16/13, SAE Class 4	Screw in cartridge valve	0.5	1000	n/a	5 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	85% of pressure setting	51-55	500-2000	380	246 per turn	Fluorocarbon	Knob	Screw in cartridge valve	N/A	20 GAL/MIN, 75 L/MIN	5500 PSI, 380 BAR	1000 PSI, 69 BAR	500-2000 PSI, 34.5-138 BAR