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.

Festo
The Festo part number 525738 is a silver TPE-U ester-based industrial pneumatic tubing suitable for energy chains, featuring a 3 mm outside diameter, a 2.1 mm inside diameter, and a weight of 0.0044 kg/m. It operates with compressed air as per ISO 8573-1:2010 [7:-:-] across an ambient temperature range of -35 °C to 60 °C, supporting an operating pressure of -0.095 MPa to 0.7 MPa for the entire temperature range and up to 1 MPa depending on temperature. This TÜV-certified component carries a UL94 HB material fire test rating, VDMA24364-B2-L LABS conformity, and RoHS compliance, requiring installation with cable sheathing free from phosphoric acid esters. Submit the exact part number, quantity, and application requirements to request a quote.
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.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
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.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 525738. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.