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 8198566 is an electrical 5/2-way monostable industrial component featuring a piston gate valve structural design and a nominal width of 8 mm. This piloted valve provides a standardized nominal flow rate of 1800 l/min according to ISO 8778, an operating pressure range from -0.09 MPa to 1.6 MPa, and an IP65 or NEMA 4 degree of protection. It conforms to ISO 5599-1 standards, utilizes a size 1 pneumatic working port sub-base, and includes adjustable exhaust air function via individual sub-bases. 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 8198566. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.