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 541437 is an industrial component of size 4 from the MS series featuring an on-off valve, filter regulator with pressure gauge, and standard mist lubricator with a 40 µm grade of filtration and fully automatic condensate drain. It provides a normal nominal flow rate of 750 l/min, a pressure regulation range of 4 bar to 12 bar, and constant output pressure via 24 V DC 1.5 W coil characteristics. The unit incorporates a plastic bowl guard, a rotary knob with detent actuator lock, and a vertical ±5° mounting position for compressed air or inert gases operating within a moderate corrosion stress class. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 541437. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.