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 8158419 is an industrial component utilizing a thermal heat transfer measuring principle to monitor mass flow and volumetric flow rate in a unidirectional flow direction. It operates within a flow measuring range from 1 l/min to 50 l/min at an operating pressure of -0.9 bar to 10 bar, supporting compressed air per ISO 8573-1:2010 [6:4:4], argon, and nitrogen mediums at temperatures between 0 °C and 50 °C. The unit features RCM compliance, c UL us listing, CE marking per EU EMC and RoHS directives, and UKCA marking for UK EMC and RoHS instructions. 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 8158419. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.