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 543339 is an industrial pneumatic vertical stacking pressure regulator featuring a width of 10.5 mm, a weight of 73.8 g, and mounting capability on a manifold sub-base in any position. It provides a constant output pressure with secondary exhausting across a regulation range of 0.5 bar to 8.5 bar, operating with compressed air according to ISO 8573-1:2010 [7:4:4] and allowing oil lubrication. Constructed with an NBR seal, a PA operator panel, and an IP65 degree of protection, this RoHS-compliant component offers an M5 pressure gauge connection and a maximum tightening torque of 0.25 Nm. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 543339. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.