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 21-VQ131 is an official catalog model from the 10/21-VQ Clean Room Valve series featuring a clean series designation for copper, fluorine, and silicon-free construction with low particle generation. This VQ1 component provides a 2 position single actuation configuration utilizing a metal or rubber seal type, a standard, high pressure, negative COM, or low wattage function, and a 24 VDC or 12 VDC coil voltage with light and surge voltage suppressor. Additional specifications include a plug connector electrical entry with or without lead wire and a non-locking push type, tool required, or locking type manual override. 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 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 21-VQ131. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.