Data sheet

VABF-S4-1-V2B1-C-VH-20 (571425) vacuum block
Item number:
OT-FESTO040643
Example illustration
Properties
in­stal­la­tion po­si­tion ar­bi­trary
Op­er­at­ing pres­sure [bar] 4 to 8
Op­er­at­ing medium Com­pressed air to ISO 8573-​1:2010 [7:4:4]
In­for­ma­tion about op­er­at­ing and con­trol medium Oiled op­er­a­tion not pos­si­ble
Cor­ro­sion re­sis­tant class KBK 0 - No cor­ro­sion stress­ing
Pro­tec­tion cat­e­gory IP65
am­bi­ent tem­per­a­ture [°C] 0 to 50
Fas­ten­ing type on con­nec­tion plate
Hous­ing ma­te­r­ial Alu­minium wrought alloy
Pneu­matic con­nec­tion 1 Con­nec­tion plate Size 26 mm to ISO 15407-​2
Ma­te­r­ial in­for­ma­tion RoHs com­pli­ant
Nom­i­nal width laval noz­zle [mm] 2
Con­struc­tion type si­lencer type open
Re­verse po­lar­ity pro­tec­tion for all elec­tri­cal con­nec­tions
Ejec­tor char­ac­ter­is­tic High vac­uum,
Stan­dard
Hand as­sist ac­tu­a­tion Ratch­et­ing,
Cov­ered,
ten­ta­tive
In­te­grated func­tion check valves,
Si­lencer open,
vac­uum switch,
Elec­tri­cal switch on valve,
Ejec­tion im­pulse elec­tri­cal,
flow con­trol valve (both di­rec­tions),
Air-​saving func­tion elec­tri­cal
Con­struc­tion set up Not mod­u­lar
Short cir­cuit re­sis­tance yes
Mea­sured pa­ra­me­ter Rel­a­tive pres­sure
Mea­sure­ment prin­ci­ple Piezore­sis­tive
Switch func­tion Thresh­old com­para­tor
Valve func­tion 5/3 ven­ti­lated
Switch­ing el­e­ment func­tion NO con­tact
Set­tings range hys­tere­sis [bar] [bar] -0,9
Set­tings range thresh­old value [bar] -0,999
Nom­i­nal op­er­at­ing pres­sure [bar] 6
Op­er­at­ing volt­age range DC [V] 21.6 to 26.4
In­duc­tive pro­tec­tion cir­cuit ad­justed to MZ, MY, ME coils
Empty run cur­rent [mA] 50 to 150
Max. out­put cur­rent [mA] 50
Power-​on time 100 %
Volt­age drop [V] <= 1,5 V
Coil char­ac­ter­is­tic value 24 V DC: 1,3 W
Over­load re­sis­tant Avail­able
Medium tem­per­a­ture [°C] 0 to 50
Sound pres­sure level [dB(A)] 78
Pres­sure mea­sure­ment range [bar] -1
Ac­cu­racy FS [%FS] 3
Pneu­matic con­nec­tion 3 Con­nec­tion plate Size 26 mm to ISO 15407-​2
Seals ma­te­r­ial NBR
Screws ma­te­r­ial Zinc plated steel
Plug hous­ing ma­te­r­ial nickel-​plated,
Zinc pres­sure cast
Plug con­tacts ma­te­r­ial brass,
Gold plated
Win­dow ma­te­r­ial PA
But­ton field ma­te­r­ial TPE-U
Further information:
Weight 1,4 kg / pcs
GTIN 4052568217860
Customs duty number 84818079
Manufacturer Festo
More information on this item and the process for ordering it can be found in our online shop https://www.landefeld.de under item number OT-FESTO040643.
Landefeld Druckluft und Hydraulik GmbH · Konrad-Zuse-Straße 1 · 34123 Kassel · Germany
All data are to be understood as non-binding reference values! We do not assume liability for any data selection not confirmed in writing. Unless otherwise specified, pressure values refer to liquids from Group II at +20°C.
As of: 18.05.2025