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 192321 is a Midi size Series D directly controlled diaphragm regulator engineered with a rotary knob with detent actuator lock and a G3/8 pneumatic connection 1. It delivers a normal nominal flow rate of 3300 l/min across an operating pressure range of 0 bar to 16 bar and a pressure regulation range of 0.5 bar to 7 bar with secondary exhausting and return flow characteristics. This component functions within a medium and ambient temperature range of -10 °C to 60 °C, supports compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases, and weighs 660 g with front panel mounting, in-line installation, or accessory mounting capabilities. Submit the exact part number, quantity, and application requirements for an RFQ quote.
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 192321. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.