151185

Name: Festo 151185 One-way flow control valve GRLZ-M5-PK-4-B
Brand: Festo

One-way flow control valve GRLZ-M5-PK-4-B

The Festo 151185 is an industrial component featuring a supply air flow control non-return function, a PK-4 pneumatic connection 1, an M5 pneumatic connection 2, and a slotted screw adjusting element for screw-in mounting. This part operates within a pressure range of 0.2 bar to 10 bar, handles an ambient and medium temperature of -10 °C to 60 °C, and provides a standard nominal flow rate of 83 l/min in the flow control direction alongside 76 l/min to 88 l/min in the non-return direction. Designed for compressed air operating media according to ISO 8573-1:2010 [7:4:4], it accommodates oil lubrication, supports any mounting position, and maintains ATEX certification for zones 1, 2, 21, and 22. Submit the exact part number, quantity, and application requirements for a formal quote.

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Manufacturer: Festo
Part number: 151185
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Technical Specifications

Valve function: Supply air flow control non-return function
Pneumatic connection 1: PK-4
Pneumatic connection 2: M5
Adjusting element: Slotted screw
Type of mounting: Screw-in
Standard nominal flow rate in flow control direction: 83 l/min
Standard nominal flow rate in non-return direction: 76 l/min...88 l/min
Operating pressure: 0.2 bar...10 bar
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
Standard flow rate in flow control direction 6 -> 0 bar: 140 l/min
Standard flow rate in non-return direction at 6 -> 0 bar: 125 l/min...150 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: 2 mm
Max. tightening torque: 1.5 Nm
Product weight: 10 g
Material of screwed plug: Brass | Nickel-plated
Note on materials: RoHS-compliant

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Our sourcing response is prepared against Festo 151185. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.