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 546513 is a Maxi size Series D directly controlled diaphragm regulator featuring a rotary knob with detent actuator lock and a normal nominal flow rate of 1147 cfm. This component delivers constant output pressure with primary pressure compensation, secondary exhausting, and a return flow characteristic across an operating pressure range of 1 bar to 16 bar and a pressure regulation range of 0.5 bar to 7 bar. Designed for compressed air and inert gases conforming to ISO 8573-1:2010 [7:4:4], it supports front panel mounting, in-line installation, or accessory mounting with a G1/4 pressure gauge setup. 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 546513. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.