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
This Festo industrial component, part number 2828838, is a round protective bellows kit featuring a ducted exhaust with an outside diameter of 57 mm, a size 40 rating, a stroke range of 401 mm to 500 mm, and a 137 mm piston rod extension. Built with anodized wrought aluminum alloy adaptation parts, NBR seals, and an NBR bellows, it provides IP65 protection and media resistance against dust, chips, oils, grease, and petrol across an ambient temperature range of -10 °C to 80 °C. The unit includes a G1/4 pneumatic connection, supports any mounting position via push-fitted or threaded pin installation, achieves a CRC 3 high corrosion stress rating, and weighs 222 g with a 157 g moving mass. 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 2828838. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.