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 544435 is an 18 mm industrial component based on the ISO 15407-1 norm, featuring a die-cast aluminum housing with IP65 and NEMA 4 degrees of protection. This pneumatic vertical stacking unit provides an alternative pressure supply for port 1, operating within a pressure range of -0.9 bar to 10 bar and delivering a normal nominal flow rate of 500 l/min using compressed air as per ISO 8573-1:2010 [7:4:4]. Weighing 146 g, it accommodates any mounting position on a manifold sub-base or individual sub-base, operates in ambient temperatures from -5 °C to 50 °C, and allows oil lubrication. Submit the exact part number, quantity, and application requirements to receive a quote for this Festo component.
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 544435. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.