FestoClassic
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hel-3/8-d-midi

Product ID:4974
Updated: 2026/7/8
Festo hel-3/8-d-midi

Key Features

  • 1Ensure precise control with the 2/2 closed, monostable HEL-3/8-D-MIDI valve.
  • 2Operate reliably across a wide -5°C to +50°C temperature range.
  • 3Handle maximum pressures up to 8 bar for demanding applications.
  • 4Benefit from the durable G 3/8 thread and mechanical spring reset.
  • 5Reduce downtime in automation and manufacturing systems.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Exhaust air function
With flow control option
Actuation type
Pneumatic
Sealing principle
Soft
Mounting position
Any
Manual override
None
Structural design
Piston gate valve
Reset method
Mechanical spring
Type of control
Direct
Flow direction
Non-reversible
Symbol
00991513
Valve function
2/2, closed, monostable
Operating pressure
3bar 16bar
b-value
0.39
C value
16.5l/sbar
Standard nominal flow rate
3200l/min
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4] Inert gas
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
LABS (PWIS) conformity
VDMA24364-B1/B2-L
Air quality class at the output
Compressed air as per ISO 8573-1:2010 [7:4:4] Inert gas
Temperature of medium
-10°C 60°C
Ambient temperature
-10°C 60°C
Product weight
270g
Type of mounting
Line installation
Pneumatic connection 1
G3/8
Pneumatic connection 2
G3/8
Note on materials
RoHS-compliant
Seals material
NBR
Housing material
Die-cast aluminum
Manufacturer ID
165079

Specifications may be subject to change without notice

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