151179

Name: Festo 151179 One-way flow control valve GRLA-1/2-B
Brand: Festo

One-way flow control valve GRLA-1/2-B

The Festo 151179 is an industrial component featuring an exhaust air flow control non-return function with G1/2 pneumatic connections on both ports and a slotted screw adjusting element for screw-in mounting. This part delivers a standard nominal flow rate of 2100 l/min in the flow control direction and 1550 l/min to 2200 l/min in the non-return direction, operating within a pressure range of 0.3 bar to 10 bar and an ambient temperature of -10 °C to 60 °C. It supports ATEX explosion protection for Zones 1, 2, 21, and 22, accommodates compressed air media per ISO 8573-1:2010 [7:4:4], and maintains ISO 14644-1 Class 4 cleanroom suitability. Submit the exact part number, quantity, and application requirements for a quote.

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Manufacturer: Festo
Part number: 151179
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Technical Specifications

Valve function: Exhaust air ow control non-return function
Pneumatic connection 1: G1/2
Pneumatic connection 2: G1/2
Adjusting element: Slotted screw
Type of mounting: Screw-in
Standard nominal ow rate in ow control direction: 2100 l/min
Standard nominal ow rate in non-return direction: 1550 l/min...2200 l/min
Operating pressure: 0.3 bar...10 bar
Ambient temperature: -10 °C...60 °C
Maritime classication: See certicate
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
Standard ow rate in ow control direction 6 -> 0 bar: 4000 l/min
Standard ow rate in non-return direction at 6 -> 0 bar: 2950 l/min...4190 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: 40 Nm
Product weight: 204 g
Note on materials: RoHS compliant
Seals material: NBR

Engineering context

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Our sourcing response is prepared against Festo 151179. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.