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 6681 is an industrial component featuring an OR valve function with G1/8 pneumatic connections at ports 1, 2, and 3. Constructed with a wrought aluminum alloy housing, NBR seals, and a nominal width of 4 mm, this unit supports a normal nominal flow rate of 500 l/min across an operating pressure range of 1 bar to 10 bar. It weighs 45 g, complies with RoHS material standards, and accommodates compressed air operating media according to ISO 8573-1:2010 [7:-:-] within an ambient and medium temperature range of -10 °C to 60 °C. Submit the exact part number, quantity, and application requirements to request a 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 6681. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.