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 8158423 industrial component is a unidirectional thermal mass and volumetric flow sensor utilizing a heat transfer measuring method for argon, nitrogen, and compressed air conforming to ISO 8573-1:2010 [6:4:4]. It features a flow measuring range from 0.2 l/min to 10 l/min, an operating pressure range of -0.9 bar to 10 bar, and operating and medium temperatures spanning 0 °C to 50 °C with a nominal temperature of 23 °C. This device holds c UL us - Listed (OL) and RCM certifications, carries CE and UKCA markings per EMC and RoHS directives, and is RoHS compliant. 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 8158423. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.