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HVSP Series Load Sensing Multi-way Control Valve

Summary

Suitable for load independent flow distribution system, with a wealth of pilot control methods, widely used in construction machinery, agricultural machinery and other mobile equipment.

DN: 12/15/20/25

Pump-side pressure rating: 350bar

Actuator-side pressure rating: 420/420/420/350 bar

Rated flow: 120/150L/400/400min

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Serial Advantage

  • Priority function

  • Various pilot control methods

  • Sandwich plate of design

  • Primary and secondary pressure relief valve

  • Load pressure compensated

  • Quick response

  • Low hysteresis

Technical Specification

General
Nominal   Size12152025
StructureStackable,   proportional, load sensing, pre-compensated
Type   of connectionISO BSP thread, metric   thread,ISO 6162 flange interface
    (Please contact our company for other connection methods )
Mass (kg)Inlet elementOpen center5.53/5.299.81726.2
Closed center4.346.513.525.3
Middle sectionHydraulic operation4.255.4/61.8
Normal E-H operation4.656.512.5137.5
Super E-H operation4.957.513.5148.8
End element3.094.5814.5
Hydraulic
Nominal   Size12152025
Rated flow
    Q(L/min)
With load-holding   function,
    without pressure compensator
140200400500
Without   load-holding function,
    with pressure compensator.
120190400
With   load-holding function,
    with pressure compensator.
120150400
Max. operating
    pressure at port
    (bar)
P350
LS330
A/B420350
T30
YLess than 2
Pilot pressure
    (bar)
a/bLess than 35
X30
Pilot   pressure control
    range
For Hydraulic control 7~22bar (102~319psi)8.5 ~22.5 bar (123 ~   330 psi)
Required control Δp at the control blockCompensator-S; C; T:   15bar
    (218psi)Recommended
    variable pump set pressure
    difference:
    18~20bar (261~290psi)
Compensator-S;   C:
    18bar (260psi)
    Compensator-T: 25bar
    (360psi)
pressure
    difference:
    25bar
    (261~290psi)
Compensator-T:
    25bar (360psi)
Recommended   hydraulic pilot control unitsSee H-2TH6   characteristic curve 97
LS pressure relief function (adjustment ranges)50 ~ 149 bar (725 ~   2160psi);50 ~ 350 bar 
 150   ~ 350bar (2175 ~ 4800psi))
Electric
Normal E-H
    operation
·Electrical on/off   valve:
    Installed on the 'A'side cover
    ·Connection: Deutsch DT04-2P
    or AMP Junior-Timer
    ·Protection class: IP67
    ·Supply voltage: 12 or 24VDC
·Electrical   proportional valve: Installed on the 'A' side cover
    ·Dither frequency required: 150Hz
    ·Hysteresis: Less than 3%(at valid range)
    ·Connection: Deutsch DT04-2P or AMP Junior-Timer
    ·Protection class: IP67
    ·Reducing pressure range: 0~30 bar
    ·Control current@24VDC: 0~750mA, @12VDC: 0~1500mA
Using   environment
Hydraulic   fluidMineral oil (HL, HLP)   according to DIN 51524.
    Other hydraulic fluids, such as HEES (Synthetic Ester)
    according to VDMA 24568.
Hydraulic   fluid temperature range(℃ )-20 to + 80
Viscosity   range ν (mm2/s)10 to 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


Application Industry

Be mainly used in Mining and Extraction Equipment,Agricultural machinery,Material Handling,Construction MachineryApplications
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