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 151555 is an industrial component featuring an exhaust air flow control non-return function with 3/8 NPT pneumatic connections for both port 1 and port 2. This screw-in unit utilizes a slotted screw adjusting element, a wrought aluminum alloy hollow bolt and nut, a brass adjusting screw, a die-cast zinc swivel joint, and NBR seals operating within an ambient and medium temperature range of -10 °C to 60 °C. It functions across an operating pressure range of 0.3 bar to 10 bar using compressed air as per ISO 8573-1:2010 [7:4:4], supports oil lubrication, and complies with VDMA24364-B2-L LABS conformity, RoHS material requirements, and ISO 14644-1 cleanroom suitability class 4. Submit the exact part number, quantity, and application requirements for 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 151555. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.