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 8141656 is a sub-base valve and directly controlled diaphragm regulator featuring a rotary knob actuator lock with detent and a 5 µm filtration grade. It delivers a normal nominal flow rate of 1400 l/min across an operating pressure of 1 bar to 9 bar, utilizing compressed air or inert gases within a medium and ambient temperature range of -40 °C to 80 °C. Rated for high corrosion stress with a CRC of 3 and certified for ATEX Zones 1, 2, 21, and 22, this component weighs 1950 g and is configured for constant output pressure with primary pressure compensation and secondary exhausting. Submit the exact part number, quantity, and application requirements to receive a formal 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 8141656. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.