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 8039820 is an industrial pneumatic component featuring an unlockable check valve function and clip mounting. It provides a normal nominal flow rate of 350 l/min, operating within a pressure and pilot pressure range of 0.5 bar to 8 bar (0.05 MPa to 0.8 MPa, or 7.25 psi to 116 psi) across an ambient temperature range of -5 °C to 50 °C. Constructed with a POM housing yielding a corrosion resistance class of 4 for particularly high corrosion stress, this unit operates on compressed air per ISO 8573-1:2010 [7:4:4] in any mounting position. Submit the exact part number, quantity, and application requirements for an RFQ 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 8039820. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.