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 543343 is an industrial component featuring a width of 21 mm and a product weight of 180 g, designed for pneumatic vertical stacking on a manifold sub-base in any mounting position. This pressure regulator for channel 2 delivers a constant output pressure with secondary exhausting across a regulation range of 2 bar to 8.5 bar, operating with an inlet pressure from 0.5 bar to 10 bar using compressed air as per ISO 8573-1:2010 [7:4:4]. Constructed with NBR seals, a PA operator panel, and RoHS-compliant materials providing CRC 1 low corrosion stress and IP65 protection, it accommodates optional pressure gauges connected via retaining clamp and permits oil-lubricated operation. Submit the exact part number, quantity, and application requirements to request a formal quote for this 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 543343. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.