151191

Name: Festo 151191 One-way flow control valve GRLZ-1/8-PK-6-B
Brand: Festo

One-way flow control valve GRLZ-1/8-PK-6-B

The Festo part number 151191 is an industrial component featuring a supply air flow control non-return function, a PK-6 pneumatic connection with union nut, and a G1/8 pneumatic connection. It utilizes a slotted screw adjusting element for screw-in mounting, offering a standard nominal flow rate of 300 l/min in the flow control direction and 210 l/min to 290 l/min in the non-return direction across an operating pressure range of 0.3 bar to 10 bar. Designed for compressed air media according to ISO 8573-1:2010 [7:4:4] with possible oil lubrication, this component supports ATEX explosion protection for zones 1, 2, 21, and 22, and operates within an ambient and medium temperature range of -10 °C to 60 °C. Submit the exact part number, quantity, and application requirements to request a formal quotation.

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Manufacturer: Festo
Part number: 151191
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Technical Specifications

Valve function: Supply air flow control non-return function
Pneumatic connection 1: PK-6 with union nut
Pneumatic connection 2: G1/8
Adjusting element: Slotted screw
Type of mounting: Screw-in
Standard nominal flow rate in flow control direction: 300 l/min
Standard nominal flow rate in non-return direction: 210 l/min...290 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: 455 l/min
Standard flow rate in non-return direction at 6 -> 0 bar: 320 l/min...440 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
Max. tightening torque: 6 Nm
Product weight: 26 g
Material of screwed plug: Wrought aluminum alloy
Note on materials: RoHS-compliant
Seals material: NBR

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Our sourcing response is prepared against Festo 151191. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.