197581

Name: Festo 197581 One-way flow control valve GRLA-1/8-QS-6-RS-D
Brand: Festo

One-way flow control valve GRLA-1/8-QS-6-RS-D

The Festo 197581 is an industrial component featuring an exhaust air flow control non-return function with a QS-6 pneumatic connection 1 and a G1/8 pneumatic connection 2. Featuring a screw-in mounting type and a knurled screw adjusting element, this part operates within a pressure range of 0.2 bar to 10 bar and an ambient temperature range of -10 °C to 60 °C. It delivers a standard nominal flow rate of 185 l/min in the flow control direction and 160 l/min to 240 l/min in the non-return direction using compressed air as per ISO 8573-1:2010 [7:4:4]. Submit the exact part number, quantity, and application requirements to request a quote.

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Manufacturer: Festo
Part number: 197581
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Technical Specifications

Valve function: Exhaust air ow control non-return function
Pneumatic connection 1: QS-6
Pneumatic connection 2: G1/8
Adjusting element: Knurled screw
Type of mounting: Screw-in
Standard nominal ow rate in ow control direction: 185 l/min
Standard nominal ow rate in non-return direction: 160 l/min...240 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: 370 l/min
Standard ow rate in non-return direction at 6 -> 0 bar: 330 l/min...390 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
Temperature of medium: -10 °C...60 °C
Nominal tightening torque: 3 Nm
Product weight: 23 g
Material of screwed plug: Wrought aluminum alloy
Note on materials: RoHS compliant
Seals material: NBR
Releasing ring material: POM
Material of adjusting screw: high-alloy stainless steel

Engineering context

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Our sourcing response is prepared against Festo 197581. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.