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.
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SMC
21-CDG1
SMC 21-CDG1 — 10-11-21-22-CDG1 Air Cylinder Double Acting Single Rod Clean Room
The SMC 21-CDG1 is an official catalog model of the CG1 Round Body Repairable Actuator configured with the Clean Series 21 specification, featuring relief-type operation that is copper-free, fluorine-free, silicon-free, and engineered for low particle generation. Available in bore sizes from 20mm to 100mm and stroke lengths up to 300mm, this unit supports multiple mounting styles including basic, front flange, head side flange, and axial foot, with options for built-in magnets, rubber bumpers, or air cushions. Users can select from male or female rod ends, various auto switch types with customizable lead wire or prewired connector lengths, and specify quantities starting at 1 piece. Submit your exact part number, quantity, and application requirements to request a quote for this SMC actuator.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
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.
- Manufacturer
- SMC
- Part number
- 21-CDG1
- Product series
- CG1 Round Body Repairable Actuator
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 21-CDG1.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Product Series
- CG1 Round Body Repairable Actuator
- Configuration Status
- Official catalog model
- Clean Series
- 10 (Relief Type), 11 (Vacuum Suction Type), 21 [Relief Type (Copper, Fluorine and Silicon-free + Low Particle Generation)], 22 [Vacuum Suction Type (Copper, Fluorine and Silicon-free + Low Particle Generation)]
- -
- -
- C
- C
- Magnet
- None, D (Built-in)
- G1
- G1
- Mounting
- B (Basic Style), F (Front Flange), G (Head Side Flange), L (Axial Foot)
- Cushion
- N (Rubber Bumper), A (Air Cushion)
- Bore Size
- 20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 80mm, 100mm
- Stroke
- 25mm, 50mm, 75mm, 100mm, 125mm, 150mm, 200mm, 250mm, 300mm
- Port Thread
- Male Rod End, F (Female Rod End)
- Z
- Z
- Auto Switch
- No Switch, M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, M9BW--Solid State, 2-color Indication, 2 Wire, Horizontal, M9N--Solid State, Gen. Purpose, 3 Wire NPN, Horizontal, M9NW--Solid State, 2-color Indication, 3 Wire NPN, Horizontal, M9P--Solid State, Gen. Purpose, 3 Wire PNP, Horizontal, M9PW--Solid State, 2-color Indication, 3 Wire PNP, Horizontal, A90--Reed, AC Volt, Horizontal, A93--Reed, DC Volt, AC Volt, LED, Horizontal, A96--Reed, DC Volt, LED, Horizontal
- Lead Wire or Prewired Connector
- 0.5m (Or None in the Case of No Switch), N (No Lead Wire), M (1m), L (3m), Z (5m), SC (0.3m Cord Length, M12-4 Pin Connector, 3 & 4 Out), SAPC (0.5m Cord Length, M8-3 Pin Connector), SBPC (0.5m Cord Length, M8-4 Pin Connector), SDPC (0.5m Cord Length, M12-4 Pin Connector), MAPC (1.0m Cord Length, M8-3 Pin Connector), MBPC (1.0m Cord Length, M8-4 Pin Connector), MDPC (1.0m Cord Length, M12-4 Pin Connector)
- Number
- 2 pcs. (Or None in the Case of No Switch), 3 pcs., 4 pcs., S (1 pc.)
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against SMC 21-CDG1. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.