The Festo HEL-1/2-D-MAXI on-off valve provides efficient pneumatic control with in-line installation, ensuring reliable operation in various automation tasks.
Product Modelhel-1/2-d-maxi
Material Number186522
Product ID6665
Stock on Request
Last updated: 8/29/2026
Key Features
1
Reliable OperationThe HEL-1/2-D-MAXI on-off valve from Festo ensures consistent and reliable operation, making it a trusted choice for automation tasks. Its robust design withstands the demands of continuous use, providing uninterrupted performance.
2
Efficient InstallationDesigned for in-line installation, the HEL-1/2-D-MAXI valve simplifies integration into your system. Its compact size and straightforward mounting process save time and effort, allowing you to focus on other critical tasks.
3
Pneumatic Connection FlexibilityWith pneumatic connections on both ports (G1/2), the HEL-1/2-D-MAXI valve offers flexibility in system design. This versatility ensures that the valve can be easily integrated into a wide range of pneumatic circuits, enhancing system flexibility.
4
High-Quality ConstructionConstructed with high-quality materials, the HEL-1/2-D-MAXI valve is built to last. Its durable design ensures that it can withstand the rigors of industrial environments, providing long-lasting performance and minimizing maintenance needs.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Exhaust air function
With flow control option
Actuation type
Pneumatic
Sealing principle
Soft
Mounting position
Any
Manual override
None
Structural design
Piston gate valve
5
Easy MaintenanceThe HEL-1/2-D-MAXI valve is designed with maintenance in mind. Its accessible design and easy-to-clean components make routine maintenance tasks straightforward, reducing downtime and ensuring continuous operation.
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
0.36
C value
26.9l/sbar
Standard nominal flow rate
5600l/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
G1/2
Pneumatic connection 2
G1/2
Note on materials
RoHS-compliant
Seals material
NBR
Housing material
Die-cast aluminum
Manufacturer ID
186522
Festo HEL-1/2-D-MAXI On-Off Valve - Reliable Pneumatic Control | INDSLT