Festo HEL-D-MAXI Pneumatic On/Off Valve

Selling Points

1The Festo HEL-D-MAXI is a pneumatic on/off valve designed for compressed air systems, ensuring reliable operation with soft sealing and pneumatic actuation.
2This valve features a throttleable exhaust-air function, allowing for precise control over airflow, making it suitable for various applications.
3The HEL-D-MAXI is versatile in its mounting position, allowing it to be installed in any location, making it a flexible solution for different setups.
4With a mechanical spring reset and direct piloting, this valve provides consistent performance and easy maintenance, ensuring minimal downtime.
5Operating within a pressure range of 3 to 16 bar, the HEL-D-MAXI supports a variety of compressed air applications, including those requiring lubricated operation.

Detailed engineering parameters based on manufacturer documentation

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
Reset method	Mechanical spring	Type of control	Direct
Flow direction	Non-reversible	Symbol	00991513
Valve function	2/2, closed, monostable	Operating pressure	3bar 16bar
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	Note on materials	RoHS-compliant
Seals material	NBR	Housing material	Die-cast aluminum
Manufacturer ID	170692

Specifications may be subject to change without notice