grla-1/4-qs-8-d

Product ID:7262
Updated: 2026/4/3
Festo grla-1/4-qs-8-d

Key Features

  • 1Optimize pneumatic system performance with precise slotted screw flow adjustment. 2、Ensure versatile integration via 8mm Ø x G1/4 BSPP male thread compatibility. 3、Rely on durable metal construction and piloted non-return valve for longevity. 4、Simplify installation and maintenance with a recessed screwdriver slot design. 5、Benefit from Festo's industry-leading quality for consistent, reliable operation.
Product Details
grla-1/4-qs-8-d
Festo

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Valve function
Exhaust air flow control non-return function
Pneumatic connection 1
QS-8
Pneumatic connection 2
G?
Adjusting element
Slotted screw
Type of mounting
Screw-in
Standard nominal flow rate in flow control direction
475l/min
Standard nominal flow rate in non-return direction
325l/min 500l/min
Ambient temperature
-10°C 60°C
Maritime classification
See certificate
Mounting position
Any
Symbol
00991452
Operating pressure for entire temperature range
0.2bar 10bar
Standard flow rate in flow control direction 6 -> 0 bar
720l/min
Standard flow rate in non-return direction at 6 -> 0 bar
610l/min 760l/min
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Information on operating and pilot media
Operation with oil lubrication possible (required for further use)
LABS (PWIS) conformity
VDMA24364-B1/B2-L
Cleanroom class
Class 4 according to ISO 14644-1
Temperature of medium
-10°C 60°C
Nominal tightening torque
5Nm
Tolerance for nominal tightening torque
± 10%
Product weight
42g
Material of screwed plug
Wrought aluminum alloy
Note on materials
RoHS-compliant
Seals material
NBR
Releasing ring material
POM
Material of adjusting screw
Brass
Swivel joint material
Die-cast zinc Chromated
Manufacturer ID
193147

Specifications may be subject to change without notice