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	Minimum Operating Temperature	Division	Maximum Kinematic Viscosity	Weight	Maximum Operating Pressure	Function	Actuation Type	Maximum Pressure Setting	Cavity Size	Operation Type	Maximum Tank Pressure	Pressure Control Sensitivity	Port Thread Size	Cracking Pressure	Flow Rate	Maximum Flow Rate	Adjustment Mechanism	Maximum Inlet Pressure Rating	For Fluid Type	Valve Material	Filter Efficiency Rating	Operating Temperature	Maximum Operating Temperature	Mounting Type	Standard Setting Pressure	Leak Rate	Configuration	Minimum Operating Pressure	Reseat Pressure	Installation Torque	Pressure Control Range	Seal Material	Mounting Type	Cracking Pressure	Adjustment Mechanism	Flow Rate	Maximum Inlet Pressure Rating	Standard Setting Pressure	Pressure Control Range
RDH083F30	Quote Required	Quote Required	TBD		Nitrile	n/a	-30	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43	5500	Direct Acting	Pressure Sensing	3000	C08-2	Automatic	5000	n/a	n/a	n/a	12	12	Fixed	5500	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-30 to +250	+250	Screw in cartridge valve	1500	10 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	380	75% of pressure setting	23	1000-3000	Nitrile	Screw in cartridge valve	N/A	Fixed	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	1000-3000 PSI, 69-210 BAR
RDH083F30V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	-15	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43	5500	Direct Acting	Pressure Sensing	3000	C08-2	Automatic	5000	n/a	n/a	n/a	12	12	Fixed	5500	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-15 to +400	+400	Screw in cartridge valve	1500	10 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	380	75% of pressure setting	23	1000-3000	Fluorocarbon	Screw in cartridge valve	N/A	Fixed	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	1000-3000 PSI, 69-210 BAR
RDH083F50	Quote Required	Quote Required	TBD		Nitrile	n/a	-30	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43	5500	Direct Acting	Pressure Sensing	5000	C08-2	Automatic	5000	n/a	n/a	n/a	12	12	Fixed	5500	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-30 to +250	+250	Screw in cartridge valve	2500	10 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	380	75% of pressure setting	23	2000-5000	Nitrile	Screw in cartridge valve	N/A	Fixed	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	2000-5000 PSI, 138-350 BAR
RDH083F50V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	-15	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43	5500	Direct Acting	Pressure Sensing	5000	C08-2	Automatic	5000	n/a	n/a	n/a	12	12	Fixed	5500	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-15 to +400	+400	Screw in cartridge valve	2500	10 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	380	75% of pressure setting	23	2000-5000	Fluorocarbon	Screw in cartridge valve	N/A	Fixed	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	2000-5000 PSI, 138-350 BAR
RDH083K15	Quote Required	Quote Required	TBD		Nitrile	n/a	-34 °C	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43 lb	5500 psi	Direct Acting	Pressure Sensing	103.5 bar	C08-2	Automatic	350 bar	15 per turn bar	n/a	N/A psi	12 Gal/min	45 L/min	Knob	5500 psi	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-34 to +121 °C	+250 °F	Screw in cartridge valve	51.7 bar	10 @ 75% Crack Pressure drops/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	31 Nm	6.9-103.5 bar	Nitrile	Screw in cartridge valve	N/A	Knob	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	750 PSI, 51.7 BAR	100-1500 PSI, 6.9-103.5 BAR
RDH083K15V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	-15	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43	5500	Direct Acting	Pressure Sensing	1500	C08-2	Automatic	5000	218 per turn	n/a	n/a	12	12	Knob	5500	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-15 to +400	+400	Screw in cartridge valve	750	10 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	380	75% of pressure setting	23	100-1500	Fluorocarbon	Screw in cartridge valve	N/A	Knob	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	750 PSI, 51.7 BAR	100-1500 PSI, 6.9-103.5 BAR
RDH083K30	Quote Required	Quote Required	TBD		Nitrile	n/a	-34 °C	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43 lb	5500 psi	Direct Acting	Pressure Sensing	210 bar	C08-2	Automatic	350 bar	27 per turn bar	n/a	N/A psi	12 Gal/min	45 L/min	Knob	5500 psi	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-34 to +121 °C	+121 °C	Screw in cartridge valve	1500 psi	10 @ 75% Crack Pressure drops/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	31 Nm	1000-3000 psi	Nitrile	Screw in cartridge valve	N/A	Knob	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	1000-3000 PSI, 69-210 BAR
RDH083K30V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	-15 °F	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.19 kg	5500 psi	Direct Acting	Pressure Sensing	3000 psi	C08-2	Automatic	350 bar	27 per turn bar	n/a	N/A psi	12 Gal/min	45 L/min	Knob	380 bar	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-15 to +400 °F	+400 °F	Screw in cartridge valve	1500 psi	10 @ 75% Crack Pressure drops/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	31 Nm	1000-3000 psi	Fluorocarbon	Screw in cartridge valve	N/A	Knob	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	1000-3000 PSI, 69-210 BAR
RDH083K50	Quote Required	Quote Required	TBD		Nitrile	n/a	-30 °F	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43 lb	5500 psi	Direct Acting	Pressure Sensing	350 bar	C08-2	Automatic	350 bar	614 per turn psi	n/a	N/A psi	12 Gal/min	12 Gal/min	Knob	380 bar	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-34 to +121 °C	+250 °F	Screw in cartridge valve	172 bar	.66 @ 75% Crack Pressure cm3/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	31 Nm	138-350 bar	Nitrile	Screw in cartridge valve	N/A	Knob	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	2000-5000 PSI, 138-350 BAR
RDH083K50V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	-15	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43	5500	Direct Acting	Pressure Sensing	5000	C08-2	Automatic	5000	614 per turn	n/a	n/a	12	12	Knob	5500	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-15 to +400	+400	Screw in cartridge valve	2500	10 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	380	75% of pressure setting	23	2000-5000	Fluorocarbon	Screw in cartridge valve	N/A	Knob	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	2000-5000 PSI, 138-350 BAR
RDH083S15	Quote Required	Quote Required	$51.19	EA	Nitrile	n/a	-34 °C	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.19 kg	5500 psi	Direct Acting	Pressure Sensing	1500 psi	C08-2	Automatic	5000 psi	218 per turn psi	n/a	N/A psi	45 L/min	12 Gal/min	Screw	380 bar	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-30 to +250 °F	+250 °F	Screw in cartridge valve	51.7 bar	10 @ 75% Crack Pressure drops/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	31 Nm	100-1500 psi	Nitrile	Screw in cartridge valve	N/A	Screw	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	750 PSI, 51.7 BAR	100-1500 PSI, 6.9-103.5 BAR
RDH083S15V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	-26 °C	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.19 kg	5500 psi	Direct Acting	Pressure Sensing	1500 psi	C08-2	Automatic	5000 psi	218 per turn psi	n/a	N/A psi	45 L/min	12 Gal/min	Screw	380 bar	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-15 to +400 °F	+204 °C	Screw in cartridge valve	750 psi	.66 @ 75% Crack Pressure cm3/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	23 lb-ft	6.9-103.5 bar	Fluorocarbon	Screw in cartridge valve	N/A	Screw	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	750 PSI, 51.7 BAR	100-1500 PSI, 6.9-103.5 BAR
RDH083S30	Quote Required	25 In Stock	$51.19	EA	Nitrile	n/a	-30 °F	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.19 kg	5500 psi	Direct Acting	Pressure Sensing	210 bar	C08-2	Automatic	5000 psi	27 per turn bar	n/a	N/A psi	45 L/min	12 Gal/min	Screw	380 bar	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-34 to +121 °C	+250 °F	Screw in cartridge valve	103.5 bar	.66 @ 75% Crack Pressure cm3/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	23 lb-ft	69-210 bar	Nitrile	Screw in cartridge valve	N/A	Screw	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	1000-3000 PSI, 69-210 BAR
RDH083S30V	Quote Required	5 In Stock	$56.25	EA	Fluorocarbon	n/a	-15 °F	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.19 kg	5500 psi	Direct Acting	Pressure Sensing	3000 psi	C08-2	Automatic	5000 psi	396 per turn psi	n/a	N/A psi	45 L/min	12 Gal/min	Screw	380 bar	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-26 to +204 °C	+400 °F	Screw in cartridge valve	103.5 bar	.66 @ 75% Crack Pressure cm3/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	23 lb-ft	69-210 bar	Fluorocarbon	Screw in cartridge valve	N/A	Screw	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	1000-3000 PSI, 69-210 BAR
RDH083S50	Quote Required	Quote Required	TBD		Nitrile	n/a	-34 °C	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.19 kg	5500 psi	Direct Acting	Pressure Sensing	350 bar	C08-2	Automatic	350 bar	42 per turn bar	n/a	N/A psi	45 L/min	12 Gal/min	Screw	380 bar	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-30 to +250 °F	+121 °C	Screw in cartridge valve	2500 psi	.66 @ 75% Crack Pressure cm3/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	31 Nm	2000-5000 psi	Nitrile	Screw in cartridge valve	N/A	Screw	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	2000-5000 PSI, 138-350 BAR
RDH083S50V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	-26 °C	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43 lb	5500 psi	Direct Acting	Pressure Sensing	5000 psi	C08-2	Automatic	350 bar	614 per turn psi	n/a	N/A psi	45 L/min	12 Gal/min	Screw	5500 psi	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-26 to +204 °C	+400 °F	Screw in cartridge valve	2500 psi	.66 @ 75% Crack Pressure cm3/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	31 Nm	138-350 bar	Fluorocarbon	Screw in cartridge valve	N/A	Screw	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	2500 PSI, 172 BAR	2000-5000 PSI, 138-350 BAR
RDH083T15	Quote Required	Quote Required	TBD		Nitrile	n/a	-34 °C	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.19 kg	5500 psi	Direct Acting	Pressure Sensing	1500 psi	C08-2	Automatic	5000 psi	15 per turn bar	n/a	N/A psi	45 L/min	45 L/min	Tamper Resistant	5500 psi	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-30 to +250 °F	+121 °C	Screw in cartridge valve	750 psi	.66 @ 75% Crack Pressure cm3/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	31 Nm	6.9-103.5 bar	Nitrile	Screw in cartridge valve	N/A	Tamper Resistant	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	750 PSI, 51.7 BAR	100-1500 PSI, 6.9-103.5 BAR
RDH083T15V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	-15	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43	5500	Direct Acting	Pressure Sensing	1500	C08-2	Automatic	5000	218 per turn	n/a	n/a	12	12	Tamper Resistant	5500	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-15 to +400	+400	Screw in cartridge valve	750	10 @ 75% Crack Pressure	Differential Area Relief, Differential Relief w/Reverse Flow Check	380	75% of pressure setting	23	100-1500	Fluorocarbon	Screw in cartridge valve	N/A	Tamper Resistant	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	750 PSI, 51.7 BAR	100-1500 PSI, 6.9-103.5 BAR
RDH083T30	Quote Required	Quote Required	TBD		Nitrile	n/a	-34 °C	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.43 lb	5500 psi	Direct Acting	Pressure Sensing	210 bar	C08-2	Automatic	350 bar	27 per turn bar	n/a	N/A psi	45 L/min	12 Gal/min	Tamper Resistant	380 bar	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-30 to +250 °F	+121 °C	Screw in cartridge valve	1500 psi	.66 @ 75% Crack Pressure cm3/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	31 Nm	1000-3000 psi	Nitrile	Screw in cartridge valve	N/A	Tamper Resistant	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	1000-3000 PSI, 69-210 BAR
RDH083T30V	Quote Required	Quote Required	TBD		Fluorocarbon	n/a	-26 °C	Hydraulic Systems Division	45-2000 SSU (6 to 420 cSt)	0.19 kg	5500 psi	Direct Acting	Pressure Sensing	3000 psi	C08-2	Automatic	5000 psi	27 per turn bar	n/a	N/A psi	45 L/min	12 Gal/min	Tamper Resistant	5500 psi	Mineral-based or synthetic hydraulic fluids	All parts steel. All operating parts hardened steel	ISO 4406 18/16/13, SAE Class 4	-15 to +400 °F	+400 °F	Screw in cartridge valve	1500 psi	10 @ 75% Crack Pressure drops/min	Differential Area Relief, Differential Relief w/Reverse Flow Check	380 bar	75% of pressure setting	23 lb-ft	1000-3000 psi	Fluorocarbon	Screw in cartridge valve	N/A	Tamper Resistant	12 GAL/MIN, 45 L/MIN	5500 PSI, 380 BAR	1500 PSI, 103.5 BAR	1000-3000 PSI, 69-210 BAR