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 193155 is an industrial component featuring a supply air flow control non-return function with a QS-6 pneumatic connection 1 and an M5 pneumatic connection 2. It utilizes a slotted screw adjusting element for screw-in mounting, providing a standard nominal flow rate of 115 l/min in the flow control direction and 70 l/min to 110 l/min in the non-return direction across an operating pressure range of 0.2 bar to 10 bar. Designed for compressed air operating media according to ISO 8573-1:2010 [7:4:4] with oil lubrication capability, this component operates within an ambient and medium temperature range of -10 °C to 60 °C and conforms to VDMA24364-B1/B2-L LABS conformity and ISO 14644-1 class 4 cleanroom suitability. Submit the exact part number, quantity, and application requirements for a 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 193155. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.