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Parker E2C300ZNMK2 - Standard Pilot Assisted Load Control Valves

Parker’s piloted load control valves are designed to operate independent of downstream pressure to prevent runaway loads under dynamic conditions using a pilot signal, handling pressures up to 420 bar (6000 psi) and flows up to 350 lpm (90 gpm).

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Brand Parker

Part No. E2C300ZNMK2

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Actuation Type	Pilot Operated
Port Size	n/a	Body Material	n/a
Maximum Operating Pressure	5000 psi	Division	Hydraulic Cartridge Systems Division
Pilot Location	External	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Minimum Operating Temperature	-34 °C	Division	Mobile Hydraulic Systems Division Europe
Maximum Inlet Pressure Rating	5000 psi	Port Thread Size	n/a
Installation Torque	30 Nm	Function	Counterbalance Valve
Mounting Type	Threaded Cartridge Valve	Pilot Pressure Ratio	3:01
Filter Efficiency Rating	ISO 4406:1999 Code 18/16/13	Adjustment Mechanism	Screw Adjustment
Operating Temperature	-34° to +121° °C	Maximum Operating Temperature	+250 °F
Flow Rate	350 L/min	For Fluid Type	Mineral-based or synthetic hydraulic fluids
Valve Material	All parts steel. All operating parts hardened steel	Maximum Flow Rate	350 L/min
Leak Rate	6 @ 1450 PSI (100 BAR) drops/min	Cavity Size	3K
Flow Direction	Cylinder port 1, Valve port 2, Pilot port 3	Weight	3.17 lb
Holding Pressure	215 bar	Pressure Control Range	50-350 bar
Pressure Control Sensitivity	45 per turn bar	Seal Material	Nitrile
Port Size	n/a	Adjustment Mechanism	Screw
Pilot Pressure Ratio	3:1	Mounting Type	Flanged Cartridge Valve
Holding Pressure	3120 PSI, 215 BAR	Maximum Flow Rate	92 GAL/MIN, 350 L/MIN
Pressure Control Range	725-5000 PSI, 50-350 BAR

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