FestoClassic
In Stock

hel-3/8-d-mini

Product ID:4973
Updated: 2026/4/3
Festo hel-3/8-d-mini

Key Features

  • 1Ensure precise gradual pressure control with this 2/2-way soft-start valve. 2、Enhance system durability via a reliable soft sealing principle. 3、Select from three compact sizes (40/55/66 mm) for space-constrained layouts. 4、Connect easily using five thread options including G and NPT types. 5、Simplify installation with direct-pilot operation for inline mounting.
Product Details
hel-3/8-d-mini
Festo

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
0.3
C value
7.6l/sbar
Standard nominal flow rate
1600l/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
126g
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
165078

Specifications may be subject to change without notice