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 5271799 is a Midi-size D-series industrial component functioning as a filter regulator without a pressure gauge, featuring a structural design with a rotary knob with detent actuator lock and a G1/4 setup for a pressure gauge. This unit provides an operating pressure of 1 bar to 20 bar, a pressure regulation range of 0.5 bar to 16 bar, a maximum pressure hysteresis of 2.9 psi, and a normal nominal flow rate of 1760 l/min normalized to DIN 1343. It incorporates a 40 µm grade of filtration, a manual rotating condensate drain with a maximum condensate volume of 42 cm³, an integrated metal bowl bowl guard, and a vertical ±5° mounting position. Certified for hazardous locations with ATEX and UKCA markings, II 2G gas and II 2D dust categories, EPL Db and EPL Gb certifications, and Zone 1, 2, 21, and 22 explosion prevention compliance, it meets EU explosion protection directive standards. 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 5271799. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.