2-and 3-way high-response flow valve

NG 32~50

Up to 420 bar , Up to 4000 L/min

  • Pilot operated 2- and 3-way high-response valve in block installation design
  • Suitable for closed-loop controlling of position, pressure, force and velocity
  • Pilot control valve (pilot): Directly actuated controlled directional valve, with control spool and sleeve in servo quality
  • Main stage: closed-loop position controlled
  • Integrated open and closed-loop control electronics (OBE)
  • Typical applications: ·Plastic injection machines ·Die-casting machines ·Ceramics machines
General
Sizes 32 40 50
Weight kg 12.6 18.3 25.6
Weight with shut-off valve …../…WK or …/…WL… kg 13.9 19.6 26.9
Size of the pilot control valve (pilot) Size 6 6 6
Installation position Any, preferably horizontal
Storage temperature range –20 to +80
Ambient temperature range –20 to +50
Hydraulic (measured with HLP32,ϑoil=40℃±5℃)
Maximum operating pressures – Main stage ports A, B bar 350 for NG32~40,420 for NG50
– Pilot control valve port X bar 315
– Pilot control valve port Y bar 210
Rated flow at Δp = 5 bar – Design …S…L (linear) L/min 330 420 780
– Design …S…R (linear with progressive fine control range) 280 360 670
Nominal flow of pilot valve at Δp=70 bar L/min 12 24 40
Leakage of pilot valve at P = 100 bar L/min 0.3 0.5 0.7
Hydraulic fluid Mineral oil (HL,HLP) to DIN 51524
Hydraulic fluid temperature range –20 to +80; preferably +40 to +50
Viscosity range mm2/s 20 to 380; preferably 30 to 45
Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) Class 20/18/15
Hysteresis % ≤0.2
Range of inversion % ≤0.1
Response sensitivity % ≤0.1
Response time 0 ~ 100% step signal ms ≤28
Electric 
Voltage type Direct voltage
Type of signal Analog
Opening point calibration % ≤1
Zero shift upon change of: – Hydraulic fluid temperature %/10 K ≤0.3 ≤0.3 ≤0.3
– Pilot pressure in X %/100 bar ≤0.7 ≤0.7 ≤0.7
– Return flow pressure in Y %/bar ≤0.3 ≤0.3 ≤0.3
Protection class of the valve according to EN60529 IP65 with mating connector mounted and locked

WRCE...L2X High-Response Cartridge Valve

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