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 543344 is an industrial pneumatic vertical stacking pressure regulator featuring a width of 21 mm, a pressure regulation range of 2 bar to 8.5 bar, and an inlet pressure range of 0.5 bar to 10 bar. It provides a constant output pressure with secondary exhausting, supports any mounting position on a manifold sub-base, and accommodates an optional pressure gauge with a retaining clamp. Built with NBR seals, a PA operator panel, and a low corrosion stress rating of CRC 1, this IP65-rated component operates on compressed air per ISO 8573-1:2010 [7:4:4] with a maximum tightening torque of 0.65 Nm and a weight of 180 g. 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 543344. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.