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 8086009 is an industrial component featuring constant output pressure regulation with secondary exhausting and a return flow characteristic, operating within a pressure range of 1 bar to 8 bar (0.1 MPa to 0.8 MPa, 14.5 psi to 116 psi). This unit incorporates an R1/8 pneumatic connection 1, a QS-4 pneumatic connection 2, a manual rotary knob with latch for adjustment, and an integrated pressure gauge within a PBT housing. Designed for compressed air media according to ISO 8573-1:2010 [7:4:4] with permissible oil lubrication, the assembly provides a normal nominal flow rate of 90 l/min, screw-in mounting in any position, VDMA24364-B2-L LABS conformity, and ISO 14644-1 Class 4 cleanroom suitability. 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 8086009. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.