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 534683 is a one-way flow control industrial component featuring manual actuation via a slotted screw and dual QB-5/16 pneumatic connections. Built with a PBT-reinforced housing and nickel-plated brass screwed plug, this part supports a standard nominal flow rate of 35.9 cfm in the flow control direction and operates within a pressure range of -13.8 psi to 116 psi using compressed air as per ISO 8573-1:2010 [7:4:4]. It weighs 1.5 oz, accommodates any mounting position through in-line installation or a through-hole, and functions within an ambient and medium temperature range of 32 °F to 140 °F. 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 534683. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.