21-CDM2R

Name: SMC 21-CDM2R — 10-11-21-22-CDM2R Air Cylinder Direct Mount Clean Room
Brand: SMC

SMC 21-CDM2R — 10-11-21-22-CDM2R Air Cylinder Direct Mount Clean Room

The SMC 21-CDM2R is an official catalog model from the CM2 stainless steel cylinder series, featuring a relief type configuration that is copper, fluorine, and silicon-free with low particle generation. This unit accommodates bore sizes of 20mm, 25mm, 32mm, and 40mm, with stroke options ranging from 25mm to 300mm, and supports Rc, NPT, or G port threads alongside male or female rod end threads. Available mounting styles include bottom and front configurations, with options for built-in magnets, various auto switches, lead wire lengths, and quantities per order. Submit the exact part number, quantity, and application requirements to request a formal quote.

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Manufacturer: SMC
Part number: 21-CDM2R
Product series: CM2 Stainless Steel Cylinder
Data verification: Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 21-CDM2R.

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: CM2 Stainless Steel Cylinder
Configuration Status: Official catalog model
Clean Series: 10 (Relief Type), 11 (Vacuum Suction Type), 21 [Relief Type (Copper, Fluorine & Silicon-Free + Low Particle Generation)], 22 [Vacuum Suction Type (Copper, Fluorine & Silicon-Free + Low Particle Generation)]
-: -
C: C
Magnet: None, D (Built-in)
M2R: M2R
Mounting: A (Bottom Mounting Style), B (Front Mounting Style)
Bore Size: 20mm, 25mm, 32mm, 40mm
Port Thread: Rc, TN (NPT), TF (G)
Stroke: 25mm, 50mm, 75mm, 100mm, 125mm, 150mm, 200mm, 250mm, 300mm
Rod End Thread: Male Rod Thread, F (Female Rod Thread)
Z: Z
Auto Switch: No Switch, M9B--Solid State, Gen. Purpose, 2 Wire, Horizontal, M9N--Solid State, Gen. Purpose, 3 Wire NPN, Horizontal, M9P--Solid State, Gen. Purpose, 3 Wire PNP, Horizontal, A33A--Reed, DC Volt, LED, Terminal, A34A--Reed, AC/DC Volt, LED, Terminal, A44A--Reed, AC-DC Volt, LED, DIN, A90--Reed, AC Volt, Horizontal, A93--Reed, DC Volt, AC Volt, LED, Horizontal, A96--Reed, DC Volt, LED, Horizontal, B54--Reed, DC Volt >5 <24, AC Volt <200, LED, B59W--Reed, DC Volt >5 <24, 2-color Indication, B64--Reed, DC Volt >5 <24, AC Volt <200, C73--Reed, DC Volt >5 <24, AC Volt <100, LED, C73C--Reed, DC Volt >5 <24, LED, Connector, C80C--Reed, DC Volt >5 <24, AC Volt <100, Connector, G39A--Solid State, Gen. Purpose, 3 Wire NPN, Terminal, H7A1--Solid State, Gen. Purpose, 3 Wire NPN, H7B--Solid State, Gen. Purpose, 2 Wire, H7BA--Solid State, Water Resist., 2 Wire
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

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Technical verification

Our sourcing response is prepared against SMC 21-CDM2R. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.