Festo AG & Co. KG

571425
vacuum block
VABF-S4-1-V2B1-C-VH-20

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Festo Data sheet

CriterionFeature
Nominal size, Laval nozzle2 mm
Design, silenceropen
Polarity protectedfor all electrical connections
Assembly positionAny
Ejector characteristicHigh vacuum
Standard
Manual overridedetenting
Pushing
Covered
Integrated functionEjector pulse valve, electrical
Flow control valve
Electrical on-off valve
Air saving function, electrical
Non-return valve
Open silencer
Vacuum switch
Design structurenot modular
Short circuit strengthYes
Measured variableRelative pressure
Measuring principlePiezoresistive
Switching functionThreshold value comparator
Valve function5/3 pressurised
Switching element functionNormally open contact
Hysteresis adjustment range [bar]-0,9 - 0 bar
Threshold setting range-0,999 - 0 bar
Operating pressure4 - 8 bar
Nominal operating pressure6 bar
Operating voltage range DC21,6 - 26,4 V
Inductive protective circuitAdapted to MZ-, MY-, ME coils
Idle current50 - 150 mA
Max. output current50 mA
Duty cycle100 %
Voltage drop<= 1,5 V
Characteristic coil data24 V DC: 1.3 W
Overload withstand capabilityAvailable
Operating mediumCompressed air in accordance with ISO8573-1:2010 [7:4:4]
Note on operating and pilot mediumLubricated operation not possible
Corrosion resistance classification CRC0 - No corrosion stress
Medium temperature0 - 50 °C
Sound pressure level78 dB(A)
Protection classIP65
Ambient temperature0 - 50 °C
Product weight1120 g
Pressure measuring range-1 - 0 bar
Accuracy, FS3 %FS
Mounting typeOn sub-base
Pneumatic connection, port 1Manifold block, size 26 mm acc. to ISO 15407-2
Pneumatic connection, port 3Manifold block, size 26 mm acc. to ISO 15407-2
Materials noteConforms to RoHS
Material sealsNBR
Material housingWrought Aluminium alloy
Material screwsSteel
Galvanised
Material connector housingZinc die-casting
Nickel plated
Material electrical contactBrass
Gold plated
Material screenPA
Material keypadTPE-U

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