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 193137 is a screw-in industrial component featuring an exhaust air flow control non-return function, a QS-3 pneumatic connection 1, an M5 pneumatic connection 2, and a slotted screw adjusting element. It operates with compressed air as per ISO 8573-1:2010 [7:4:4] across an ambient and medium temperature range of -10 °C to 60 °C and an operating pressure range of 0.2 bar to 10 bar. This component provides a standard nominal flow rate of 100 l/min in the flow control direction and 60 l/min to 100 l/min in the non-return direction, with a nominal tightening torque of 0.8 Nm at a tolerance of ±10%. Submit the exact part number, quantity, and application requirements to receive a formal price 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 193137. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.