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SQ Series Cylinder is a compact cylinder designed by SMC, serving as a direct replacement for models such as SMC CQ2A and CDQ2A. It offers two mounting options: through-hole and both ends female threaded. The piston rod can be equipped with either male or female threads, depending on the application. The bore size ranges from 12mm to 100mm, making it suitable for a wide variety of industrial applications.
Features:
- Excellent replacement for SMC CQ2A and CDQ2A cylinders with a newly designed barrel.
- Sleek and compact design that saves space in tight installations.
- Proximity transducer is flush-mounted within a sensor groove, protecting it from mechanical damage.
- Additional buffer ring at the end of the cylinder helps absorb residual energy during high-speed operations, improving system longevity.
Available Types:
- SQ: Standard double-acting type
- SQD: Two-axis double-acting type
- SQS: Single-acting with spring extension
- SQT: Single-acting with spring retraction
Standard Specifications:
- Operating pressure range: 1.0–9.0 bar
- Operating temperature range: 0°C to 70°C
- Operating speed range: 30–500 mm/s
- Adjustable cushioning available
- Optional joint pipe sizes: G1/8, G1/4, G3/8, NPT
Technical Table:
| Bore (mm) | 12 | 16 | 20 | 25 | 32 | 40 | 50 | 63 | 80 | 100 |
|-----------|----|----|----|----|----|----|----|----|----|-----|
| Working Fluid | Air | Air | Air | Air | Air | Air | Air | Air | Air | Air |
| Action Type | Double acting / Single acting (Spring return / Spring extend) | - | - | - | - | - | - | - | - | - |
| Proof Pressure | 1.5 MPa (15.3 kgf/cm²) | - | - | - | - | - | - | - | - | - |
| Working Pressure | 1.0 MPa (10.2 kgf/cm²) | - | - | - | - | - | - | - | - | - |
| Working Temperature | 0–60°C | - | - | - | - | - | - | - | - | - |
| Rod End Thread | Female (standard), Male (optional) | - | - | - | - | - | - | - | - | - |
| Cushion | No | - | - | - | - | - | - | - | - | - |
| Stroke Tolerance | ±10 | ±0 | - | - | - | - | - | - | - | - |
| Lubrication | Not required | - | - | - | - | - | - | - | - | - |
| Mounting | Through-hole, both ends tapped | - | - | - | - | - | - | - | - | - |
| Post Size | M5×0.8 | 1/8 | 1/4 | 3/8 | - | - | - | - | - | - |
The SQ series is ideal for automation systems where space is limited but performance and reliability are essential. With its versatile mounting options and compatibility with standard piping, it’s a reliable choice for engineers looking for an efficient and durable solution.
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