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.
Global industrial sourcing · Houston, Texas+1 417 261 6001 info@mropartsrfq.com
Reference imageConfirm configuration by manufacturer part number.
Festo
4091
Quick coupling plug KS2-CK-3
Festo Quick coupling plug KS2-CK-3, part number 4091, 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
- 4091
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 4091.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationTechnical documents are stored and served from our system.
Verified configuration
Technical Specifications
Identification and family-level technical context are preserved from reviewed source evidence and official English-language manufacturer documentation.
- Nominal width
- 2 mm
- Operating pressure for entire temperature range
- -0.095 MPa...1.2 MPa | -0.95 bar...12 bar | -13.775 psi...174 psi
- Normal nominal ow rate (normalized to DIN 1343)
- 68 l/min...84 l/min
- Nominal ow rate standardized according to ISO 8778
- 73.7 l/min...91.1 l/min
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:-:-]
- Information on operating and pilot media
- Lubricated operation possible
- Corrosion resistance class (CRC)
- 1 - Low corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Ambient temperature
- -10 °C...60 °C
- Product weight
- 4 g
- Pneumatic connection 1
- for pneumatic tubing outside diameter 4 mm | For barbed tting, inside diameter 3 mm, with union nut
- Material of union nut
- Wrought aluminum alloy, anodized
- Note on materials
- RoHS compliant
- Information on materials
- Brass, nickel-plated
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 4091. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.