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Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
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Festo
151185
One-way flow control valve GRLZ-M5-PK-4-B
Festo One-way flow control valve GRLZ-M5-PK-4-B, part number 151185, is documented in the official Festo United States product data sheet. Review the technical specifications and operating conditions below when requesting a quotation.
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Request a Quote- Manufacturer
- Festo
- Part number
- 151185
- Data verification
- Manufacturer evidence reviewed
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Verified configuration
Technical Specifications
Identification and family-level technical context are preserved from reviewed source evidence and official English-language manufacturer documentation.
- 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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Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 151185. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.