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.

SMC
The SMC 10-SY73 is an official catalog model from the 10-SY Valves series, featuring a model 7 design and a 3-position closed center actuation configuration. This unit incorporates a specific pilot system, coil specification, voltage, electrical entry type, light/surge voltage suppressor, manual override, port size, thread type, series, and A,B port size options including bracket configurations. Request a formal quote by submitting your exact part number, required quantity, and application parameters.
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 SMC 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 SMC 10-SY73. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.