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 542621 is an industrial component of the MS series in size 4, featuring a branching module, an on/off valve with 24V DC characteristic coil data, a filter regulator with a pressure gauge, and a standard oil-mist lubricator. This unit operates within a working pressure of 4.5 to 10 bar and a pressure control range of 4 to 9 bar, delivering a standard nominal flow rate of 750 l/min for compressed air conforming to ISO8573-1:2010 [7:4:4] or inert gases. Equipped with a fully automatic condensate drain, a 40 µm filtration grade, a plastic bowl guard, and a rotary knob lockable actuator, the assembly functions in a vertical position within a +/- 5° tolerance. Submit your exact part number, quantity, and application requirements to request a quote for this component.
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 542621. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.