Basic Description
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Manufacturer: SMC Corporation (Japan)
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Series: CDQ2B / CQ2 compact pneumatic cylinder
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Type: Double-acting, single rod piston cylinder
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Bore (Piston Diameter): 25 mm
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Stroke: 25 mm
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Auto-switch mount: Designed with grooves for auto switches on body (switch not included)
📊 Typical Features & Specs
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Action: Double-acting (push/pull)
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Built-in Magnet: D variant indicates a magnetized piston (for auto switch detection)
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Mounting Style: Through-hole (rod end) or multiple mount options typical for compact cylinders
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Fluid: Compressed air
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Operating Pressure Range: approx 0.05 MPa … 0.7 MPa (0.5 … 7 bar) typical for CQ2/CDQ2 series cylinders
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Proof Pressure: up to 1.5 MPa (tube and seal rating, varies by model/series)
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Port Size: Usually M5 (1/8″) type on 25 mm bore compact cylinders
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Operating Temp: approx -10 °C … +70 °C (without switch) / -10 °C … +60 °C (with switch)
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Seals: NBR (standard non-lubricated) – lubrication not required
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Auto Switch: Magnet built-in enables mounting of compatible proximity/solid-state switches on body grooves





