534342

Name: Festo 534342 One-way flow control valve GRLA-3/8-QS-8-RS-D
Brand: Festo

One-way flow control valve GRLA-3/8-QS-8-RS-D

The Festo 534342 is a one-way flow control industrial component featuring a QS-8 pneumatic connection 1 and a G3/8 pneumatic connection 2, adjusted via a knurled screw for screw-in mounting with an external thread. It delivers a standard nominal flow rate of 820 l/min in the flow control direction and 450 l/min to 850 l/min in the non-return direction, operating across an ambient temperature range of -10 °C to 60 °C and an operating pressure of 0.2 bar to 10 bar. The unit operates with compressed air as per ISO 8573-1:2010 [7:4:4] and accommodates oil lubrication, meeting ISO 14644-1 cleanroom Class 4 suitability and VDMA24364-B1/B2-L LABS conformity. Submit the exact part number, quantity, and application requirements to receive a quote.

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Manufacturer: Festo
Part number: 534342
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Technical Specifications

Valve function: One-way ow control function
Pneumatic connection 1: QS-8
Pneumatic connection 2: G3/8
Adjusting element: Knurled screw
Type of mounting: Screw-in | With external thread
Standard nominal ow rate in ow control direction: 820 l/min
Standard nominal ow rate in non-return direction: 450 l/min...850 l/min
Operating pressure: 0.2 bar...10 bar
Ambient temperature: -10 °C...60 °C
Maritime classication: See certicate
Mounting position: Any
Operating pressure for entire temperature range: 0.2 bar...10 bar
Standard ow rate in ow control direction 6 -> 0 bar: 1300 l/min
Standard ow rate in non-return direction at 6 -> 0 bar: 1080 l/min...1420 l/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 suitability, measured according to ISO 14644-14: Class 4 according to ISO 14644-1
Storage temperature: -10 °C...40 °C
Temperature of medium: -10 °C...60 °C
Nominal tightening torque: 10 Nm
Product weight: 72 g
Note on materials: RoHS compliant
Seals material: NBR
Hollow bolt material: Wrought aluminum alloy | Anodized

Engineering context

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Technical verification

Our sourcing response is prepared against Festo 534342. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.