4414859 Festo Mechanical & Manual Valves

Product Details

• Width
  20 mm
• Type code
  VHEF
• Flow direction
  Reversible
• Corrosion resistance class (CRC)
  1 - Low corrosion stress
• Type of mounting
  Optionally: With through-hole
• Cover material
  PA-reinforced
• Operating pressure
  -0.95 bar ... 10 bar
• Design
  Piston gate valve
• Exhaust air function
  With flow control option
• Mounting position
  Any
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Product weight
  265 g
• Seals material
  NBR
• Max. force on actuator
  200 N
• Pneumatic working port
  1/8 NPT
• Application note
  Operate by hand only
• Symbol
  00995891
• Information on operating and pilot media
  Operation with oil lubrication possible (required for further use)
• Actuating torque
  0.7 Nm
• Pneumatic connection 3
  1/8 NPT
Housing material
Wrought aluminum alloy, anodized
Valve function
5/3, exhausted
Max. transverse load on actuator
200 N
Standard nominal flow rate
530 l/min
Nominal width
5.2 mm
Type of control
Direct
Operating medium
Compressed air as per ISO 8573-1:2010 [7:-:-]
Ambient temperature
-10 °C ... 60 °C
Pneumatic connection 2
1/8 NPT
Pneumatic connection 4
1/8 NPT
Note on materials
RoHS-compliant
Lap
Overlap
Actuation type
Manual
Reset method
Mechanical spring
Sealing principle
Soft
Max. switching frequency
0.5 Hz
Temperature of medium
-10 °C ... 60 °C
Pneumatic connection 1
1/8 NPT
Pneumatic connection 5
1/8 NPT
Lever material
PA-reinforced

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