151188

Name: Festo 151188 One-way flow control valve GRLZ-1/8-B
Brand: Festo

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

The Festo 151188 is an industrial component featuring a supply air flow control non-return function with G1/8 pneumatic connections on both ports and a slotted screw adjusting element for screw-in mounting. This unit delivers a standard nominal flow rate of 340 l/min in the flow control direction and 260 l/min to 420 l/min in the non-return direction, operating across a pressure range of 0.3 bar to 10 bar and temperatures from -10 °C to 60 °C. It supports compressed air as per ISO 8573-1:2010 [7:4:4], accommodates oil lubrication, meets ATEX explosion protection requirements for Zones 1, 2, 21, and 22, and is rated ISO Class 4 for cleanroom suitability. Submit the exact part number, quantity, and application requirements for a quote.

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Manufacturer: Festo
Part number: 151188
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Technical Specifications

Valve function: Supply air ow control non-return function
Pneumatic connection 1: G1/8
Pneumatic connection 2: G1/8
Adjusting element: Slotted screw
Type of mounting: Screw-in
Standard nominal ow rate in ow control direction: 340 l/min
Standard nominal ow rate in non-return direction: 260 l/min...420 l/min
Ambient temperature: -10 °C...60 °C
Explosion prevention and protection: Observe the information on the certicate | 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 ow rate in ow control direction 6 -> 0 bar: 615 l/min
Standard ow rate in non-return direction at 6 -> 0 bar: 470 l/min...760 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
Max. tightening torque: 6 Nm
Product weight: 28 g
Material of screwed plug: Wrought aluminum alloy
Note on materials: RoHS compliant
Seals material: NBR

Engineering context

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Our sourcing response is prepared against Festo 151188. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.