he-3a-3/8-qs-3/8-u

Product ID:6891
Updated: 2026/4/3
Festo he-3a-3/8-qs-3/8-u

Key Features

  • 1Ensure reliable compressed air shut-off with 3/2-way manual actuation. 2、Integrate easily using QS-3/8 and 3/8 NPT thread connections. 3、Operate consistently within a 0°C to 60°C temperature range. 4、Meet ISO 14644-1 Class 4 standards for cleanroom applications. 5、Switch positions easily with the bistable valve design.
Product Details
he-3a-3/8-qs-3/8-u
Festo

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Valve function
3/2, bistable
Selection of additional function
with exhaust function
Pneumatic connection 1
QS-3/8
Pneumatic connection 2
3/8 NPT
Actuation type
Manual
Type of mounting
Optionally: Direct mounting via through-hole Direct fastening via thread
Standard nominal flow rate
768.6l/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-B1/B2-L
Cleanroom class
Class 4 according to ISO 14644-1
Temperature of medium
0°C 60°C
Product weight
62g
Pneumatic connection 3
Not ducted
Note on materials
RoHS-compliant
Seals material
NBR
Manufacturer ID
190875

Specifications may be subject to change without notice