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 8157626 is an industrial component featuring a supply air flow control non-return function, a QS-8 pneumatic connection 1, and an R1/8 pneumatic connection 2. This manual valve is actuated via a rotary knob with latch, utilizes a PBT housing material, and offers a standard nominal flow rate of 170 l/min in the flow control direction with an operating pressure range of 0.02 MPa to 1 MPa. It supports ATEX explosion prevention and protection for zones 1, 2, 21, and 22, while operating within an ambient temperature range of -10 °C to 60 °C using compressed air as per ISO 8573-1:2010 [7:4:4]. 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 8157626. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.