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 6687 is an electrical poppet valve featuring a 3x3/2 closed, monostable valve function with spring return and a G1/8 pneumatic working port. This direct-controlled component delivers a nominal flow rate of 160 l/min at an operating pressure range of -0.095 MPa to 0.7 MPa, and includes vacuum suitability alongside an IP65 degree of protection. Operating media requires compressed air as per ISO 8573-1:2010 [7:4:4] within a medium temperature range of -10 °C to 60 °C and an ambient temperature range of -5 °C to 40 °C. 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 6687. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.