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 531101 is an MS-series size 4 industrial component featuring a soft-start valve, an on/off valve, a filter regulator with a pressure gauge, a manual rotating condensate drain, and a plastic bowl guard. It operates within a 4.5 bar to 14 bar operating pressure range, provides a 4 bar to 12 bar pressure regulation range, and delivers a normal nominal flow rate of 750 l/min utilizing a 24 V DC, 1.5 W coil. Featuring a 40 µm filtration grade, constant output pressure with secondary exhausting, and moderate corrosion resistance, this unit accommodates compressed air and inert gases within a vertical ±5° mounting position. 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 531101. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.