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 563993 is a Size 4 industrial component belonging to the MS series, featuring a directly controlled diaphragm regulator structural design with an actuator lock utilizing a rotary knob with detent. Operating within a pressure range of 0.8 bar to 14 bar and a regulation range of 0.5 bar to 12 bar, this component delivers a normal nominal flow rate of 1000 l/min using compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases. It includes a pressure gauge integrated into the rotary knob, constant output pressure with secondary exhausting and return flow characteristics, and a moderate corrosion resistance class rating of CRC 2. 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 563993. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.