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 8198559 is an electrical 5/3-way closed piston gate valve featuring a soft sealing principle, positive overlap, and a nominal width of 8 mm. This piloted industrial component conforms to the ISO 5599-1 standard with a size 1 sub-base pneumatic working port, supporting an operating pressure range of 0.3 MPa to 1 MPa and a standardized nominal flow rate of 1800 l/min according to ISO 8778. It incorporates a mechanical spring reset, non-detenting manual override, internal pilot air supply port, adjustable exhaust air function via individual sub-base, and an IP65 or NEMA 4 degree of protection in any mounting position. 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 8198559. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.