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 565409 is a thermal industrial component that measures volume and volumetric flow rate via heat loss in a unidirectional P1 to P2 flow direction, featuring a measuring range from 10 l/min to 1000 l/min. It operates with compressed air as per ISO 8573-1:2010 [7:4:4] or nitrogen at a medium temperature of 0 °C to 50 °C and an operating pressure range of 0 MPa to 1 MPa (0 bar to 10 bar, 0 psi to 145 psi). Certified with RCM compliance, c UL us - Listed (OL), and ATEX ratings for Zone 2 gas (II 3G Ex nA IIC T5 X Gc) and Zone 22 dust (II 3D Ex tc IIIB T80°C X Dc IP54) in explosive ambient temperatures from 0°C to +50°C, it carries CE and UKCA markings for EMC, ATEX, and RoHS directives, alongside UL certificate E322346. Submit the exact part number, quantity, and application requirements to receive a formal 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 565409. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.