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 4165857 is a 20 mm wide piston gate valve featuring a 5/3-way closed manual actuation type with mechanical spring reset and a nominal width of 5.2 mm. This component delivers a normal nominal flow rate of 700 l/min through G1/8 pneumatic working ports across an operating pressure range of -0.95 bar to 10 bar. Designed with adjustable exhaust air function, soft sealing principle, reversible flow direction, and positive overlap lap, it operates directly with compressed air per ISO 8573-1:2010 [7:-:-] and maintains ATEX certification for Zones 1, 2, 21, and 22. Submit the exact part number, quantity, and application requirements to request 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 4165857. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.