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

Selling Points
- 1The Festo HE-3A-3/8-QS-3/8-U is a 3/2-way manually-actuated pneumatic shut-off valve designed for reliable operation in compressed air applications. It features soft sealing and non-reversible flow, ensuring precise control and minimal leakage.
- 2This valve is equipped with a QS-3/8 connection on one side and a 3/8 NPT connection on the other, providing flexibility in pneumatic system configurations. It supports direct mounting via through-holes or threads, making installation straightforward.
- 3The HE-3A-3/8-QS-3/8-U operates within a wide temperature range of 0°C to 60°C, ensuring its performance remains consistent in various environmental conditions. It is also RoHS-compliant, meeting stringent environmental standards.
- 4This valve is designed for cleanroom applications, meeting Class 4 cleanliness standards according to ISO 14644-1. It is suitable for use in environments requiring high levels of cleanliness and precision.
- 5The Festo HE-3A-3/8-QS-3/8-U is a bistable valve, allowing for easy switching between two positions. It supports additional functions like exhaust, enhancing its versatility in pneumatic control systems.
Technical Specifications
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-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