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-VQ137 is an official catalog model from the 10/21-VQ Clean Room Valve series designated as Copper, Fluorine and Silicon-free with low particle generation. This VQ1 component features a VQ1 configuration with actuation options including 2 position single, 2 position double, and 3 position closed, exhaust, or pressure centers, alongside metal or rubber seal types and standard, high pressure, or low wattage function variants. Available electrical entries comprise plug connectors with or without lead wires, paired with 24 VDC or 12 VDC coil voltages featuring a light and surge voltage suppressor, non-locking or locking manual overrides, and side-ported one-touch fittings for ø3.2, ø4, or ø6 tubing or M5 threads. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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-VQ137. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.