Compact, pneumatic on-off valve for gradual pressure build-up. Soft-sealing principle, direct piloting, and mechanical spring reset. Ideal for various pneumatic systems.
Product Modelhel-3/8-d-mini-npt
Material Number173918
Product ID5824
Stock on Request
Last updated: 8/29/2026
Key Features
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Compact DesignThe Festo HEL-3/8-D-MINI-NPT boasts a compact design with a grid dimension of 40 mm, making it perfect for space-constrained applications.
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Soft-Sealing PrincipleEquipped with a soft-sealing principle, this valve ensures reliable sealing and minimal leakage, extending the lifespan of your pneumatic system.
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Direct PilotingThe valve features direct piloting, which simplifies the control process and enhances the overall efficiency of your pneumatic setup.
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Mechanical Spring ResetThe mechanical spring reset mechanism provides a stable and consistent operation, ensuring the valve returns to its original position after each cycle.
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Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Width dimension
40mm
Exhaust air function
With flow control option
Actuation type
Pneumatic
Sealing principle
Soft
Mounting position
Any
Manual override
None
Versatile ApplicationDesigned for various pneumatic systems, the Festo HEL-3/8-D-MINI-NPT is versatile and can be used in a wide range of applications, from industrial automation to precision engineering.
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Feature### Additional Information
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- Operating Pressure3 to 16 bar
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
