FestoClassic
In Stock

hel-3/4-d-maxi

Product ID:4977
Updated: 2026/4/3
Festo hel-3/4-d-maxi

Key Features

  • 1Ensure gradual pressure build-up and exhaust for controlled system operation. 2、Control airflow precisely with a 2/2-way closed, monostable valve function. 3、Actuate the valve pneumatically for reliable and efficient performance. 4、Benefit from a mechanical spring reset for consistent cycling and position. 5、Minimize wear with a soft sealing principle and wide thread compatibility.
Product Details
hel-3/4-d-maxi
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
0.38
C value
33.9l/sbar
Standard nominal flow rate
6000l/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
394g
Type of mounting
Line installation
Pneumatic connection 1
G3/4
Pneumatic connection 2
G3/4
Note on materials
RoHS-compliant
Seals material
NBR
Housing material
Die-cast aluminum
Manufacturer ID
165082

Specifications may be subject to change without notice