The Festo HGL-1/4-NPT piloted non-return valve ensures reliable one-way flow control in pneumatic systems, perfect for applications needing high efficiency and precision.
Product Modelhgl-1/4-npt
Material Number34878
Product ID8735
Stock on Request
Last updated: 8/29/2026
Key Features
1
Reliable One-Way Flow ControlThe HGL-1/4-NPT valve is engineered to provide consistent and reliable one-way flow control, ensuring that air or gas flows in the desired direction without backflow.
2
Precise Pneumatic System ManagementDesigned for precise management of pneumatic systems, this valve helps maintain system integrity by preventing backflow, which can lead to inefficiencies and damage.
3
High-Pressure CompatibilityThe valve is compatible with operating pressures up to 8 bar, making it suitable for a wide range of industrial applications that require high-pressure pneumatic systems.
4
Easy Installation and ConfigurationThe HGL-1/4-NPT valve features a user-friendly design, making it easy to install and configure. It comes with a module connector and sub-base-SET for straightforward integration into your system.
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
1/4 NPT
Pneumatic connection 2
1/4 NPT
Type of mounting
Screw-in
Standard nominal flow rate
0l/min 490l/min
Operating pressure
0.3bar 10bar
5
Durable ConstructionBuilt with high-quality materials, the HGL-1/4-NPT valve is designed to withstand the demands of industrial environments, ensuring long-lasting performance and reliability in your pneumatic systems.
Pilot pressure MPa
0.18MPa 1MPa
Pilot pressure
1.8bar 10bar
Pilot pressure psi
26.1psi 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
Seals material
NBR
Manufacturer ID
34878
Piloted Non-Return Valve HGL-1/4-NPT by Festo - Reliable One-Way Flow Control | INDSLT
