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
This Festo industrial component, part number 543951, is a double-acting drive unit featuring a 12 mm piston diameter, 30 mm stroke, and yoke structural design incorporating a piston, piston rod, and slide. Operating at pressures from 0.15 MPa to 0.8 MPa (1.5 bar to 8 bar) with compressed air conforming to ISO 8573-1:2010 [7:4:4], the unit achieves a maximum speed of 0.8 m/s and a repetition accuracy of ±0.01 mm with elastic cushioning rings/pads at both ends with fixed stop and a ball bearing cage guide. It includes position sensing via proximity switch, offers an adjustable end-position range of 27.5 mm at the front and 20 mm at the rear, operates in any mounting position within an ambient temperature range of 0 °C to 60 °C, and maintains ISO 14644-1 Cleanroom Class 7 suitability with VDMA24364-B1/B2-L LABS conformity and CRC 0 corrosion resistance. Submit the exact part number, quantity, and application requirements for an RFQ.
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 543951. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.