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 565391 is an industrial thermal flow sensor utilizing a heat loss measuring principle for unidirectional volume and volumetric flow rate monitoring from 0.5 l/min to 50 l/min. Operating within a pressure range of 0 bar to 10 bar and medium temperatures from 0 °C to 50 °C, this RoHS-compliant component processes compressed air conforming to ISO 8573-1:2010 [6:4:4] or nitrogen. It carries c UL us recognition, RCM compliance, and CE and UKCA markings pursuant to EMC and RoHS directives. Submit the exact part number, quantity, and application requirements for an RFQ.
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 565391. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.