151197

Name: Festo 151197 One-way flow control valve GRLZ-1/4-PK-6-B
Brand: Festo

One-way flow control valve GRLZ-1/4-PK-6-B

The Festo part number 151197 is an industrial component featuring a supply air flow control non-return function with a G1/4 external thread and a 6 mm barbed fitting connection that includes a union nut. This screw-in component operates across a temperature range of -10 °C to 60 °C and an operating pressure range of 0.3 bar to 10 bar, delivering a standard nominal flow rate of 540 l/min in the flow control direction. It is equipped with a slotted screw adjusting element and is certified for use in ATEX Zones 1, 2, 21, and 22 in accordance with its documentation. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 151197
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Technical Specifications

Valve function: Supply air flow control non-return function
Pneumatic connection 1: For barbed fitting, inside diameter 6 mm, with union nut
Pneumatic connection 2: External thread G1/4
Adjusting element: Slotted screw
Type of mounting: Screw-in
Standard nominal flow rate in flow control direction: 540 l/min
Standard nominal flow rate in non-return direction: 410 l/min...585 l/min
Ambient temperature: -10 °C...60 °C
Explosion prevention and protection: Observe the information on the certificate | Zone 1 (ATEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 22 (ATEX)
Mounting position: Any
Operating pressure for entire temperature range: 0.3 bar...10 bar
Standard flow rate in flow control direction 6 -> 0 bar: 840 l/min
Standard flow rate in non-return direction at 6 -> 0 bar: 635 l/min...910 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 class: Class 4 according to ISO 14644-1
Temperature of medium: -10 °C...60 °C
Nominal width: 6 mm
Max. tightening torque: 11 Nm
Product weight: 45 g
Material of screwed plug: Wrought aluminum alloy
Note on materials: RoHS-compliant

Engineering context

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Our sourcing response is prepared against Festo 151197. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.