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 info@mropartsrfq.com
Reference imageConfirm configuration by manufacturer part number.
Festo
4478
Ring piece LK-1/4-PK-4
The Festo part number 4478 is an industrial component featuring an external thread G1/4 for pneumatic connection 1 and a barbed fitting with a nut for an inside diameter 4 mm for pneumatic connection 2. It operates using compressed air as per ISO 8573-1:2010 [7:-:-] and allows for lubricated operation of operating and pilot media. This RoHS compliant unit exhibits VDMA24364-B1/B2-L LABS (PWIS) conformity, while its maritime classification is detailed in the certificate. Submit the exact part number, quantity, and application requirements to receive a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 4478
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 4478.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Maritime classication
- See certicate
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:-:-]
- Information on operating and pilot media
- Lubricated operation possible
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Pneumatic connection 1
- External thread G1/4
- Pneumatic connection 2
- for barbed tting, inside diameter 4 mm, with nut
- Note on materials
- RoHS compliant
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 4478. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.