4772777 Festo Compressed Air Preparation Units

Product Details

• Type code
  LFR
• Max. condensate volume
  42 ml
• ATEX category for dust
  II 2D
• Operating medium
  Compressed air as per ISO 8573-1:2010 [-:9:-] Inert gas
• Type of mounting
  Optionally: With accessories
• Note on materials
  RoHS-compliant
• Actuator lock
  Rotary knob with detent
• Design
  Filter regulator without pressure gauge
• Operating pressure
  0.1 MPa ... 2 MPa
• ATEX category gas
  II 2G
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Air quality class at the output
  Compressed air as per ISO 8573-1:2010 [7:8:4] Inert gas
• Pneumatic connection 2
  NPT1/2-14
• Series
  D
• Condensate drain
  Manually rotating
• Pressure gauge
  G1/4 prepared
• Standard nominal flow rate
  3400 l/min
• Type of ignition protection for gas
  Ex h IIC T6 Gb X
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Ambient temperature
  -20 °C ... 80 °C
Housing material
Die-cast zinc
Size
Midi
Mounting position
Vertical +/- 5°
Bowl guard
Integrated as metal bowl guard
Pressure regulation range
0.5 bar ... 12 bar
Type of (ignition) protection for dust
Ex h IIIC T85°C Db X
Corrosion resistance class (CRC)
3 - High corrosion stress
Storage temperature
-20 °C ... 80 °C
Product weight
1400 g
Grade of filtration
40 µm
Symbol
00991586
Max. pressure hysteresis
0.2 bar
Explosive ambient temperature
-20°C <= Ta <= +80°C
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
Temperature of medium
-20 °C ... 80 °C
Pneumatic connection 1
NPT1/2-14
Material of bowl
Wrought aluminum alloy

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