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Standard Pilot Vented Load Control Valves - MHB-030-WABC-52E

Name: Standard Pilot Vented Load Control Valves - MHB-030-WABC-52E
SKU: MHB-030-WABC-52E

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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SKU MHB-030-WABC-52E

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Adjustment Mechanism	Tamper Resistant
Port Size	SAE-8	Mounting Type	Single Gasket
Holding Pressure	500 PSI, 34.5 BAR	Pilot Pressure Ratio	1:1
Pressure Control Range	250-500 PSI, 17.2-34.5 BAR	Maximum Flow Rate	30 GAL/MIN, 112.5 L/MIN
Maximum Operating Pressure	3000 psi	Seal Material	Nitrile
Division	Hydraulic Cartridge Systems Division	Division	Hydraulic Systems Division
Pilot Location	External	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Body Material	Aluminum	Minimum Operating Temperature	-34 °C
Cavity Size	n/a	Adjustment Mechanism	Tamper Resistant
Weight	1.13 kg	Maximum Flow Rate	30 Gal/min
Function	Counterbalance Valve	Maximum Operating Temperature	+121 °C
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	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
Maximum Inlet Pressure Rating	210 bar	Installation Torque	N/A lb-ft
Actuation Type	Pilot Operated, Vented	Port Size	SAE-8
Mounting Type	Single Gasket	Flow Direction	Cylinder port C, Valve port V, Pilot port P
Pilot Pressure Ratio	1:1	Leak Rate	5 @ 80% of setting drops/min
Pressure Control Sensitivity	N/A bar	Flow Rate	112.5 L/min
Holding Pressure	500 psi	Pressure Control Range	250-500 psi

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