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 4810851 is a mechanical 2-way soft-sealed ball valve featuring a 15 mm inside diameter, a nominal width DN of 15, and a 2/2 valve function with reversible flow direction. Built for in-line installation in any mounting position, this component utilizes a flange connection as per ANSI B16.5 class 150, an F0304 flange hole pattern, and handles media temperatures ranging from -20 °C to 200 °C at a nominal pressure PN of 20. It delivers a flow rate Kv of 32 m³/h, a breakaway torque of 8 Nm at nominal differential pressure, and accommodates vapor, compressed air as per ISO 8573-1:2010 [-:-:-], inert gas, water, and neutral liquids based on ANSI B16.5 class 150 and ISO 5211 norms. Submit the exact part number, quantity, and application requirements to receive 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 4810851. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.