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 industrial component, part number 530041, is an unlockable check valve featuring a pneumatic connection 1 of QS-8, pneumatic connection 2 of G1/4, and a pilot air port 21 of G1/8. It operates within a pressure range of 0.05 MPa to 1 MPa (0.5 bar to 10 bar) and a pilot pressure of 0.2 MPa to 1 MPa (2 bar to 10 bar / 29 psi to 145 psi) using compressed air as per ISO 8573-1:2010 [7:4:4] with possible oil lubrication. Designed for screw-in mounting with an external thread in any mounting position, this unit achieves a standard flow rate 1->2 (6-0) of 640 l/min and a standard nominal flow rate 1->2 (6-5) of 390 l/min across an ambient temperature range of -10 °C to 60 °C. The component exhibits a corrosion resistance class (CRC) of 2, LABS conformity of VDMA24364-B2-L, cleanroom suitability of Class 4 according to ISO 14644-1, and maritime classification as detailed in the certificate. 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 530041. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.