Festo HE-3A-1/2-QS-1/2-U: Reliable 3/2-Way Pneumatic Valve

Selling Points

1The Festo HE-3A-1/2-QS-1/2-U is a 3/2-way manually actuated pneumatic shut-off valve designed for precise control in industrial applications.
2This valve features soft sealing technology, ensuring reliable operation and minimizing leakage.
3With non-reversing flow, the HE-3A-1/2-QS-1/2-U provides consistent and predictable performance in pneumatic systems.
4The valve is part of the HE series, known for its high-quality components and robust design, making it suitable for demanding industrial environments.
5The HE-3A-1/2-QS-1/2-U is backed by Festo's reputation for reliability and safety, ensuring it meets stringent industry standards.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Valve function	3/2, bistable	Selection of additional function	with exhaust function
Pneumatic connection 1	QS-1/2	Pneumatic connection 2	1/2 NPT
Actuation type	Manual	Type of mounting	Optionally: Direct mounting via through-hole Direct fastening via thread
Standard nominal flow rate	770.4l/min	Nominal width	4.6mm
Operating pressure	-0.95bar 10bar	Ambient temperature	0°C 60°C
Housing material	PBT-reinforced	Operating medium	Compressed air as per ISO 8573-1:2010 [7:-:-]
Exhaust air function	Without flow control option	Sealing principle	Soft
Mounting position	Any	Structural design	Piston gate valve
Type of control	Direct	Flow direction	Non-reversible
Symbol	00997329	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-B2-L
Cleanroom class	Class 4 according to ISO 14644-1	Temperature of medium	0°C 60°C
Product weight	87g	Pneumatic connection 3	Not ducted
Note on materials	RoHS-compliant	Seals material	NBR
Manufacturer ID	190876

Specifications may be subject to change without notice