535974 Festo Directional Control Valves

Product Details

• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db
• Shock resistance
  Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27
• Product weight
  1040 g
• Pilot air port 14
  Sub-base, size 3 as per ISO 5599-1
• Pneumatic connection 1
  Sub-base, size 3 as per ISO 5599-1
• Valve function
  5/3, closed
• Width
  65 mm
• Pneumatic working port
  Sub-base, size 3 as per ISO 5599-1 G1/2
• Operating voltage
  Via solenoid coil, to be ordered separately
• Type code
  MFH
• Sealing principle
  Soft
• Flow direction
  Reversible
• Switching time off
  77 ms
• ATEX category gas
  II 2G
• Explosive ambient temperature
  -5°C <= Ta <= +40°C
• Information on operating and pilot media
  Operation with oil lubrication possible (required for further use)
• Pilot medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Type of mounting
  On sub-base With through-hole and screw
• Actuation type
  Electrical
• Operating pressure
  -0.9 bar ... 16 bar
Design
Piston gate valve
Degree of protection
IP65
Conforms to standard
ISO 5599-1
Pilot air supply port
External
ISO code
369
Max. negative test pulse on 1 signal
3700 µs
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Vibration resistance
Transport application test with severity level 1 as per FN 942017-4 and EN 60068-2-6
Ambient temperature
-5 °C ... 40 °C
Pilot exhaust air port 82
M5
Pneumatic connection 2
Sub-base, size 3 as per ISO 5599-1
Pneumatic connection 4
Sub-base, size 3 as per ISO 5599-1
Note on materials
RoHS-compliant
Exhaust air function
With flow control option
Manual override
Detenting via accessory Non-detenting
Type of control
Pilot-controlled
On switching time
36 ms
Symbol
00991076
Type of ignition protection for gas
Ex h IIC T4 Gb
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Noise level
85 dB(A)
Electrical connection
Via F coil, to be ordered separately
Pilot exhaust air port 84
M5
Pneumatic connection 5
Sub-base, size 3 as per ISO 5599-1
Housing material
Die-cast aluminum
Lap
Overlap
Standard nominal flow rate
4100 l/min
Reset method
Mechanical spring
Nominal width
14.5 mm
Width dimension
71 mm
Mounting position
Any
Pilot pressure
3 bar ... 10 bar
Max. positive test pulse with 0 signal
2200 µs
ATEX category for dust
II 2D
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Temperature of medium
-10 °C ... 60 °C
Pilot air port 12
Sub-base, size 3 as per ISO 5599-1
Pneumatic connection 3
Sub-base, size 3 as per ISO 5599-1
Seals material
HNBR NBR

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