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Parker PR103S21 - Direct Acting Pressure Reducing Relieving Valves

Parker’s direct acting reducing & relieving valves are used in intermittent duty applications where specific functions require reduced and regulated pressure. Capable of flows up to 56 lpm (13 gpm) and pressures up to 420 bar (6000 psi).

AFP Availability:	Quote Required
Partner Available:	19 In Stock

Brand Parker

Part No. PR103S21

$83.30/each

Products specifications

Attribute name	Attribute value
UOM	EA	Installation Torque	50-56 Nm
Operating Temperature	-37 to +93 °C	Division	Hydraulic Systems Division
Operation Type	Automatic	Minimum Operating Temperature	-37 °C
Maximum Drain Flow Rate	0.03 Gal/min	Flow Rate	56 L/min
Weight	0.5 lb	Maximum Pressure Differential	69 bar
Seal Material	D-ring (Standard)	Actuation Type	Pressure Sensing
Valve Material	All parts steel. All operating parts hardened steel.	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Maximum Pressure Setting	1800 psi	Maximum Operating Pressure	210 bar
Maximum Inlet Pressure Rating	3000 psi	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Adjustment Mechanism	Screw	Configuration	Pressure Reducing/Relieving
Maximum Tank Pressure	124 bar	Function	Direct Acting
Pressure Control Sensitivity	250 per turn psi	Maximum Operating Temperature	+93 °C
Cavity Size	C10-3	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Pressure Control Range	600-1800 psi	Body Material	N/A
Mounting Type	Screw in cartridge valve	Maximum Flow Rate	15 Gal/min
Standard Setting Pressure	69 bar	Maximum Inlet Pressure Rating	3000 PSI, 210 BAR
Adjustment Mechanism	Screw	Flow Rate	15 GAL/MIN, 56 L/MIN
Seal Material	D-Ring (Standard)	Pressure Control Range	600-1800 PSI, 41.4-124 BAR

Product resources

Literature and Reference Materials