151189

Name: Festo 151189 One-way flow control valve GRLZ-1/8-PK-3-B
Brand: Festo

One-way flow control valve GRLZ-1/8-PK-3-B

The Festo 151189 is an industrial component featuring a supply air flow control non-return function with a PK-3 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 110 l/min in the flow control direction and an operating pressure range of 0.3 bar to 10 bar across an ambient temperature range of -10 °C to 60 °C. Certified for ATEX Zone 1, 2, 21, and 22 environments, this 22 g unit operates with compressed air as per ISO 8573-1:2010 [7:4:4] and permits oil lubrication. Submit the exact part number, quantity, and application requirements to receive a formal quote.

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Manufacturer: Festo
Part number: 151189
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Technical Specifications

Valve function: Supply air flow control non-return function
Pneumatic connection 1: PK-3 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: 110 l/min
Standard nominal flow rate in non-return direction: 100 l/min...110 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: 162 l/min
Standard flow rate in non-return direction at 6 -> 0 bar: 145 l/min...165 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: 22 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 151189. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.