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 8120901 is a Series P size 44 filter regulator without a pressure gauge, featuring a regulating screw with locknut, primary pressure compensation, and secondary exhausting. Designed for a 0.5 bar to 12 bar pressure regulation range and a maximum standard flow rate of 2400 l/min, this component includes a manual rotating condensate drain and conforms to NACE MR0175/ISO 15156 standards for its housing and bowl. It operates within an ATEX Zone 1, 2, 21, and 22 environment using compressed air or inert gases, and requires a 5 µm filtration grade with a vertical ±5° mounting position. Submit the exact part number, quantity, and application requirements to receive a formal 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 8120901. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.