The Festo HGL-1/2-NPT piloted non-return valve provides efficient and secure air flow control, ensuring that air flows in one direction only. Ideal for pneumatic systems.
Product Modelhgl-1/2-npt
Material Number34880
Product ID8737
Stock on Request
Last updated: 8/29/2026
Key Features
1
Reliable Non-Return FunctionThe HGL-1/2-NPT features an unlockable non-return function, ensuring that air flows in one direction only, preventing backflow and maintaining system integrity.
2
Pneumatic Connection FlexibilityCompatible with G1/4 and NPT 1/4 connections, offering flexibility in system design and integration.
3
Efficient OperationDesigned for efficient operation, the valve minimizes energy loss and maximizes system performance, making it a reliable choice for pneumatic applications.
4
Easy InstallationThe valve is designed for straightforward installation, with clear instructions and easy-to-use components, reducing setup time and increasing productivity.
5
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Valve function
Unlockable non-return function
Pneumatic connection 1
1/2 NPT
Pneumatic connection 2
1/2 NPT
Type of mounting
Screw-in
Standard nominal flow rate
0l/min 1600l/min
Operating pressure
0.2bar 10bar
High-Quality ConstructionBuilt with high-quality materials, the HGL-1/2-NPT ensures durability and longevity, even in demanding pneumatic environments. Its robust construction withstands various operating pressures, ensuring consistent performance over time.
Pilot pressure MPa
0.1MPa 1MPa
Pilot pressure
1bar 10bar
Pilot pressure psi
14.5psi 145psi
Ambient temperature
-20°C 80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Symbol
00991456
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
LABS (PWIS) conformity
VDMA24364-B1/B2-L
Temperature of medium
-20°C 80°C
Note on materials
RoHS-compliant
Manufacturer ID
34880
Festo HGL-1/2-NPT Piloted Non-Return Valve - Reliable Air Flow Control | INDSLT
