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 4787801 is a Series P industrial filter regulator of size 64, featuring a structural design without a pressure gauge and a regulating screw with locknut actuator lock. It operates within a pressure range of 1 bar to 20 bar, a regulation range of 0.5 bar to 7 bar, and delivers a maximum standard flow rate of 3980 l/min using compressed air or inert gases. The unit includes primary pressure compensation, secondary exhausting, a 40 µm filtration grade, a manual rotating condensate drain with a 30 cm³ max volume, and NACE MR0175/ISO 15156 housing compliance for ATEX Zones 1, 2, 21, and 22. Submit the exact part number, quantity, and application requirements for 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 4787801. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.