The Festo HE-2-1/2-QS-1/2-U is a reliable, manually actuated pneumatic valve with non-reversing flow and soft sealing. Perfect for precise control in industrial settings.
Product Modelhe-2-1/2-qs-1/2-u
Material Number153992
Product ID3361
Stock on Request
Last updated: 8/29/2026
Key Features
1
Precise ControlThe HE-2-1/2-QS-1/2-U offers precise control over pneumatic flow, ensuring consistent performance in various industrial applications.
2
Non-Reversing FlowThis valve features non-reversing flow, preventing backflow and ensuring that air or gas moves in one direction only, enhancing safety and efficiency.
3
Soft SealingEquipped with soft sealing technology, the valve provides a reliable seal, reducing the risk of leaks and maintaining system integrity.
4
Manual ActuationThe manual actuation mechanism allows for easy operation and control, making it suitable for applications where automated systems are not required.
5
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Valve function
2/2 bistable
Pneumatic connection 1
1/2 NPT
Pneumatic connection 2
QS-1/2
Actuation type
Manual
Type of mounting
Optionally: Direct mounting via through-hole Direct fastening via thread
Standard nominal flow rate
812.7l/min
Durable ConstructionBuilt with high-quality materials, the HE-2-1/2-QS-1/2-U is designed to withstand the demands of industrial environments, ensuring long-lasting performance and reliability.
Nominal width
4.7mm
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)
