Festo HE-2-1/2-QS-12: High-Quality Pneumatic Shut-Off Valve

Selling Points

1The Festo HE-2-1/2-QS-12 is a 2/2-way manually-actuated pneumatic shut-off valve designed for reliable operation in compressed air applications.
2This valve features soft sealing and non-reversible flow, ensuring efficient and precise control of pneumatic systems.
3With a nominal size of 7.7 mm and a standard nominal flow rate of 834.3 l/min, the HE-2-1/2-QS-12 is suitable for a wide range of pneumatic system requirements.
4The valve is constructed with PBT-reinforced housing and features a nickel-plated brass screwed plug, ensuring durability and corrosion resistance.
5The HE-2-1/2-QS-12 is compliant with RoHS regulations and meets cleanroom class 4 standards according to ISO 14644-1, making it suitable for various industrial environments.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Valve function	2/2 bistable	Pneumatic connection 1	R1/2
Pneumatic connection 2	QS-12	Actuation type	Manual
Type of mounting	Optionally: Direct mounting via through-hole Direct fastening via thread	Standard nominal flow rate	834.3l/min
Nominal width	7.7mm	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:-:-]	Sealing principle	Soft
Mounting position	Any	Structural design	Piston gate valve
Type of control	Direct	Flow direction	Reversible
Symbol	00997328	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
Cleanroom class	Class 4 according to ISO 14644-1	Temperature of medium	0°C 60°C
Product weight	86g	Material of screwed plug	Brass, nickel-plated
Note on materials	RoHS-compliant	Seals material	NBR
Manufacturer ID	153474

Specifications may be subject to change without notice