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Parker MHB-030-LBDH-52N - 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. MHB-030-LBDH-52N

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Products specifications

Attribute name	Attribute value
Maximum Operating Pressure	3000 psi	Seal Material	Nitrile
Actuation Type	Pilot Operated	Division	Hydraulic Cartridge Systems Division
Division	Hydraulic Systems Division	Pilot Location	Internal
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Minimum Operating Temperature	-30 °F
Body Material	Aluminum	Cavity Size	n/a
Adjustment Mechanism	Tamper Resistant	Maximum Flow Rate	30 Gal/min
Weight	4.5 lb	Function	Counterbalance Valve
Pilot Pressure Ratio	3:1	Holding Pressure	3000 psi
Maximum Inlet Pressure Rating	210 bar	Maximum Operating Temperature	+121 °C
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Operating Temperature	-30 to +250 °F	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Installation Torque	N/A Nm	Leak Rate	5 @ 80% of setting drops/min
Port Size	SAE-8	Mounting Type	Double Inline
Flow Direction	Cylinder port C, Valve port V	Pressure Control Range	105-210 bar
Pressure Control Sensitivity	N/A psi	Flow Rate	112.5 L/min
Seal Material	Nitrile	Adjustment Mechanism	Tamper Resistant
Holding Pressure	3000 PSI, 210 BAR	Pilot Pressure Ratio	3:1
Port Size	SAE-8	Mounting Type	Double Inline
Pressure Control Range	1500-3000 PSI, 105-210 BAR	Maximum Flow Rate	30 GAL/MIN, 112.5 L/MIN

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