hgl-1/8-qs-6

Product ID:9274
Updated: 2026/7/4
Festo hgl-1/8-qs-6

Key Features

  • 1Ensure reliable one-way flow control in pneumatic systems.
  • 2Enhance safety by allowing flow only with a pilot signal.
  • 3Install flexibly in any position using screw-in mounting.
  • 4Resist moderate corrosion for longer service life.
  • 5Operate smoothly in lubricated air with compact NBR seals.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Valve function
Unlockable non-return function
Pneumatic connection 1
QS-6
Pneumatic connection 2
G1/8
Pilot air port 21
M5
Actuation type
Pneumatic
Type of mounting
Screw-in With external thread
Operating pressure
0.5bar 10bar
Pilot pressure MPa
0.2MPa 1MPa
Pilot pressure
2bar 10bar
Pilot pressure psi
29psi 145psi
Ambient temperature
-10°C 60°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Maritime classification
See certificate
Mounting position
Any
Symbol
00991456
Standard flow rate 1->2 (6-0)
400l/min
Standard nominal flow rate 1->2 (6-5)
270l/min
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-B2-L
Cleanroom class
Class 4 according to ISO 14644-1
Storage temperature
-10°C 60°C
Temperature of medium
-10°C 60°C
Pilot medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Nominal tightening torque
3.5Nm
Tolerance for nominal tightening torque
± 10%
Product weight
21.4g
Note on materials
RoHS-compliant
Seals material
NBR
Hollow bolt material
Wrought aluminum alloy Anodized
Releasing ring material
POM
Non-return collar material
NBR
Swivel joint material
Die-cast zinc
Manufacturer ID
530040

Specifications may be subject to change without notice

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