Confirm the exact configuration
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
4565
One-way flow control valve GRF-PK-3
Festo One-way flow control valve GRF-PK-3, part number 4565, is documented in the official Festo United States product data sheet. Review the technical specifications and operating conditions below when requesting a quotation.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 4565
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 4565.
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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
- One-way ow control function
- Pneumatic connection 1
- PK-3
- Pneumatic connection 2
- PK-3
- Adjusting element
- Knurled screw
- Type of mounting
- With through-hole
- Standard nominal ow rate in ow control direction
- 45 l/min
- Standard nominal ow rate in non-return direction
- 45 l/min
- Operating pressure
- 0.5 bar...8 bar
- Ambient temperature
- -10 °C...60 °C
- Housing material
- Wrought aluminum alloy
- Mounting position
- Any
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:-:-]
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Temperature of medium
- -10 °C...60 °C
- Product weight
- 95 g
- Material of adjusting screw
- Brass
Technical library
Documents and Data Sheets
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
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 4565. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.