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You are here: VOFA-L26-T32C-M-G14-1C1-APP FESTO

Pneumatic safety valve (norm: EN 60947-5-2)

VOFA-L26-T32C-M-G14-1C1-APP FESTO

574011 FESTO 574011 FESTO
Weight 1.314 kg
country of origin
direction of flow non-reversible
duty cycle 100 %
max. operating frequency [Hz] 5000
norm EN 60947-5-2
pilot air supply internal
pilot pressure [bar] 3÷10
type pneumatic safety valve
valve function 3/2-way, closed, single solenoid
working medium Sprężone powietrze wg ISO8573-1:2010 [7:4:4]
working pressure [bar] 3÷10

VOFA-L26-T32C-M-G14-1C1-APP FESTO

Pneumatic safety valve (norm: EN 60947-5-2)

Data sheet:




Feature Value
Valve function 3/2 closed, monostable
Type of actuation electrical
Width 65 mm
Standard nominal flow rate 1,050 l/min
Operating pressure 3 ... 10 bar
Design structure Piston slide
Type of reset mechanical spring
Protection class IP65
NEMA 4
Authorisation c UL us - Recognized (OL)
KC mark KC-EMV
CE mark (see declaration of conformity) to EU directive for EMC
to EU directive for machinery
Certificate issuing department UL MH19482
Exhaust-air function throttleable
Sealing principle soft
Assembly position Any
Conforms to standard EN 60947-5-2
Manual override None
Type of piloting Piloted
Pilot air supply Internal
Flow direction non reversible
Measuring principle Inductive
Overlap Positive overlap
Reverse polarity protection sensor For all electrical connections
Safety function Exhausting
Manipulation/start-up protection
Performance level (PL) Vent/up to Category 4, PL e
Protection against manipulation, prevention of unexpected start-up, up to Category 4, Performance Level e
Note on forced dynamisation Switching frequency at least once a week
Signal status display with accessories
Switching position sensing Normal position with sensor
Switching status display sensor LED
Pilot pressure 3 ... 10 bar
Suitability for vacuum No
Standard flow rate exhaust 0.6->0 MPa (6->0 bar, 87->0 psi) 2,650 l/min
Standard flow rate exhaust 0.6->0 MPa (6->0 bar, 87->0 psi) in the event of a fault 1,050 l/min
Switching time off 54 ms
Switching time on 24 ms
Valve - sensor switching time on 58 ms
Valve - sensor switching time off 11 ms
Duty cycle 100 %
Max. positive test pulse with logic 0 1,000 µs
Max. negative test pulse with logic 1 800 µs
Switch output PNP
Characteristic coil data 24 V DC: 1.8 W
Permissible voltage fluctuation -15 % / +10 %
Operating medium Compressed air in accordance with ISO8573-1:2010 [7:4:4]
Note on operating and pilot medium Lubricated operation possible (subsequently required for further operation)
Vibration resistance Transport application test at severity level 2 in accordance with FN 942017-4 and EN 60068-2-6
Shock resistance Shock test with severity level 2 in accordance with FN 942017-5 and EN 60068-2-27
Corrosion resistance classification CRC 0 - No corrosion stress
Max. magnetic interference field 60 mT
Medium temperature -5 ... 50 °C
Sound pressure level 85 dB(A)
Protection against direct and indirect contact Protective extra-low voltage with safe disconnection (PELV)
Protected to EN 60950/IEC 950
Pilot medium Compressed air in accordance with ISO8573-1:2010 [7:4:4]
Ambient temperature -5 ... 50 °C
Nominal altitude of use 1000m in accordance with VDE 0580
Product weight 1,134 g
Operating voltage range, DC sensor 10 ... 30 V
Short-circuit strength sensor Pulsing
Idle current sensor <= 10 mA
Max. output current sensor 200 mA
Max. switching frequency sensor 5,000 Hz
Residual ripple sensor ± 10 %
Voltage drop sensor <= 2 V
Electrical connection Plug pattern type C to EN 175301-803
to EN 175301-803
Without mains earth
Sensor connection Plug
3-pin
M8x1
Mounting type with through hole
Pneumatic connection, port 1 G1/4
Pneumatic connection, port 2 G1/4
Pneumatic connection, port 3 G1/4
Materials note Conforms to RoHS
Material seals FPM
HNBR
NBR
Material housing Aluminium die cast
PA
Material screws Steel
Galvanised
Switching element function Normally closed contact
manufacturer FESTO
dimensions 0 x 0 x 0
Weight 1.314 kg
working pressure [bar] 3÷10
norm EN 60947-5-2
type pneumatic safety valve
country of origin
valve function 3/2-way, closed, single solenoid
direction of flow non-reversible
max. operating frequency [Hz] 5000
pilot air supply internal
pilot pressure [bar] 3÷10
duty cycle 100 %
working medium Sprężone powietrze wg ISO8573-1:2010 [7:4:4]

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