535973 Festo Directional Control Valves

Product Details

• Operating pressure
  -0.9 bar ... 16 bar
• Exhaust air function
  With flow control option
• Symbol
  00991076
• Type of ignition protection for gas
  Ex h IIC T4 Gb
• Vibration resistance
  Transport application test with severity level 1 as per FN 942017-4 and EN 60068-2-6
• Product weight
  820 g
• Pilot exhaust air port 82
  M5
• Pneumatic connection 3
  Sub-base, size 2 as per ISO 5599-1
• Lap
  Overlap
• Pneumatic working port
  Sub-base, size 2 as per ISO 5599-1 G3/8
• Degree of protection
  IP65
• Sealing principle
  Soft
• Conforms to standard
  ISO 5599-1
• Type of control
  Pilot-controlled
• On switching time
  33 ms
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db
• Valve function
  5/3, closed
• Width
  54 mm
• Design
  Piston gate valve
• Type code
  MFH
Flow direction
Reversible
Switching time off
63 ms
ATEX category for dust
II 2D
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Pilot medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Pilot exhaust air port 84
M5
Pneumatic connection 1
Sub-base, size 2 as per ISO 5599-1
Note on materials
RoHS-compliant
Actuation type
Electrical
Operating voltage
Via solenoid coil, to be ordered separately
Nominal width
11.5 mm
Width dimension
56 mm
Manual override
Detenting via accessory Non-detenting
Pilot air supply port
External
Max. positive test pulse with 0 signal
2200 µs
Explosive ambient temperature
-5°C <= Ta <= +40°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Temperature of medium
-10 °C ... 60 °C
Ambient temperature
-5 °C ... 40 °C
Pilot air port 12
Sub-base, size 2 as per ISO 5599-1
Pneumatic connection 5
Sub-base, size 2 as per ISO 5599-1
Standard nominal flow rate
2300 l/min
Reset method
Mechanical spring
Mounting position
Any
ISO code
269
Pilot pressure
3 bar ... 10 bar
Max. negative test pulse on 1 signal
3700 µs
ATEX category gas
II 2G
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
Noise level
85 dB(A)
Type of mounting
On sub-base With through-hole and screw
Pneumatic connection 4
Sub-base, size 2 as per ISO 5599-1
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Shock resistance
Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27
Electrical connection
Via F coil, to be ordered separately
Pneumatic connection 2
Sub-base, size 2 as per ISO 5599-1
Seals material
HNBR NBR
Pilot air port 14
Sub-base, size 2 as per ISO 5599-1
Housing material
Die-cast aluminum

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