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Parker MHB-030-WADC-52N - Standard Pilot Vented Load Control Valves

Parker’s vented load control valves are designed to operate independent of downstream pressure to prevent runaway loads under all dynamic conditions, handling pressures up to 350 bar (5000 psi) and flows up to 113 lpm (30 gpm).

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Brand Parker

Part No. MHB-030-WADC-52N

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Division	Hydraulic Cartridge Systems Division
Division	Hydraulic Systems Division	Pilot Location	Internal
Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)	Body Material	Aluminum
Maximum Operating Pressure	210 bar	Minimum Operating Temperature	-34 °C
Cavity Size	n/a	Adjustment Mechanism	Tamper Resistant
Maximum Inlet Pressure Rating	3000 psi	Maximum Flow Rate	30 Gal/min
Function	Counterbalance Valve	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	-34 to +121 °C	Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4
Flow Rate	30 Gal/min	Actuation Type	Pilot Operated, Vented
Installation Torque	N/A lb-ft	Pilot Pressure Ratio	1:1
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 Sensitivity	N/A bar	Weight	2.05 kg
Holding Pressure	500 psi	Pressure Control Range	250-500 psi
Seal Material	Nitrile	Adjustment Mechanism	Tamper Resistant
Port Size	SAE-8	Holding Pressure	500 PSI, 34.5 BAR
Pilot Pressure Ratio	1:1	Pressure Control Range	250-500 PSI, 17.2-34.5 BAR
Mounting Type	Double Inline	Maximum Flow Rate	30 GAL/MIN, 112.5 L/MIN

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