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Parker MHB-030-WEBE-52E - 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-WEBE-52E

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Products specifications

Attribute name	Attribute value
Seal Material	Nitrile	Minimum Operating Temperature	-30
Division	Hydraulic Valve Systems Division	Division	Hydraulic Systems Division
Pilot Location	External	Maximum Kinematic Viscosity	45-2000 SSU (6 to 420 cSt)
Body Material	Aluminum	Maximum Operating Pressure	3000
Cavity Size	n/a	Flow Rate	30
Maximum Flow Rate	30	Adjustment Mechanism	Tamper Resistant
Pressure Control Sensitivity	n/a	Weight	2.5
Function	Counterbalance Valve	Maximum Inlet Pressure Rating	3000
For Fluid Type	Mineral-based or synthetic hydraulic fluids	Valve Material	All parts steel. All operating parts hardened steel
Filter Efficiency Rating	ISO 4406 18/16/13, SAE Class 4	Operating Temperature	-30 to +250
Maximum Operating Temperature	+250	Actuation Type	Pilot Operated, Vented
Leak Rate	5 @ 80% of setting	Flow Direction	Cylinder port C, Valve port V, Pilot port P
Installation Torque	N/A	Port Size	SAE-8
Mounting Type	Single Gasket	Holding Pressure	1500
Pilot Pressure Ratio	6:1	Pressure Control Range	500-1500
Seal Material	Nitrile	Adjustment Mechanism	Tamper Resistant
Pressure Control Range	500-1500 PSI, 34.5-103.4 BAR	Port Size	SAE-8
Mounting Type	Single Gasket	Holding Pressure	1500 PSI, 105 BAR
Pilot Pressure Ratio	6:1	Maximum Flow Rate	30 GAL/MIN, 112.5 L/MIN

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