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EHV50 Series Load Sensitive Multi-way Valve

Summary

Closed center for variable pump systems

Rated pressure: 375 bar

Rated flow: 500 L/min

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Serial Advantage

· High efficiency

· Precise flow control

· Low pressure loss, saving fuel consumption

· Good control

Technical Specification

General
StructureMonoblock,Load sensing
PortInlet port PSAE 1 1/4"-H(ISO 6162)M14
Work port A1, B1, A2, B2SAE 1"-H(ISO 6162)M12
Tank port TSAE 1 1/2"-S(ISO 6162)M12
Pilot inlet port PS
Pilot tank port D
M14x1.5(ISO-9974-1)
Port LSM14x1.5(ISO-9974-1)
Pressure measurement port
MA1,MB1,MA2,MB2
M14x1.5(ISO-9974-1)
Additional inlet port AP
Pressure measurement port MT
3/4-16 UNF
Additional port AA2,AB21 1/16-12 UN
Weight kg95
Hydraulic
pressureInlet portP(bar)375
Work portA/B(bar)400
Tank portT(bar)20
Drain line pressureD(bar)1
FlowFrom inlet to working portl/min500
From working port to tankl/min1000
Electric
· Electrical on/of:
·Connection:Deutsch DT04-2P
·Protection class: IP69k 
··Supply voltage:12 or 24VDC
·Electrical proportional:
·Dither frequency required:100-200Hz
·Hysteresis: Less than 3%(at valid range)
·Connection:Deutsch DT04-2P/AMP Junior Timer
·Protection class:IP69k
·Control current @12VDC:0~1500mA;
@24VDC:0~750mA
Using environment
Hydraulic fluidMineral oil (HL, HLP) according to DIN 51524. Other hydraulic fluids, such as HEES (Synthetic Ester) according to VDMA 24568.
Pressure fluid temperature range (℃)20 ~ 90
Viscosity range ν (mm2/s)15 ~ 380
Maximum permissible degree of contamination of the pressure fluid cleanliness class to ISO 4406 (C)Class 20/18/15, we therefore recommend a filter with a minimum retention rate of β10 ≥ 75


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