Airtac SCD Standard Cylinder SCD160X450
The AirTAC Airtac SCD Standard Cylinder SCD160X450 is a genuine double-acting DOUBLE-ROD air cylinder: the Ø40mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø160mm bore, 450mm stroke, PT3/4 ports and adjustable end cushioning.
- BoreØ160 mm
- Rod (both ends)Ø40 mm
- Stroke450 mm
- Port sizePT3/4
- Rod configDouble rod (through)
- CushionAdjustable, 29 mm
About the Airtac SCD Standard Cylinder SCD160X450
The SCD160X450 is a double-acting double-rod pneumatic cylinder engineered for applications demanding perfectly symmetrical force output in both directions. With a 160 mm bore and a 40 mm through-rod extending from both end caps, it provides an identical effective piston area on the push and pull strokes, delivering a consistent 9425 N of thrust at 0.5 MPa. This 450 mm stroke model uses a tie-rod construction with a body length A(SCD) of 352 mm and PT3/4 ports, making it a robust choice for heavy-duty, two-sided tooling tasks.
Because the rod passes through the entire cylinder, this design inherently offers better guidance and anti-rotation characteristics than a single-rod cylinder of the same bore, though it is not a replacement for a fully guided unit under substantial side loads. The adjustable air cushion at both ends, with a 29 mm cushion length, decelerates the piston smoothly near the end of travel, protecting the end caps from impact. This model operates on filtered air from 0.15 to 1.0 MPa and is built without a magnet, suitable for basic mounting configurations.
Airtac SCD Standard Cylinder SCD160X450 Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD160X450 |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 450 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Adjustable, 29 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SCD (double-rod) datasheet. Because the rod runs through both caps, the effective area is (bore² − rod²) in both directions. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø160mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 9425 N | 9425 N |
| 0.7 MPa | 13195 N | 13195 N |
| Max (@1.0 MPa) | 1922 kgf | |
Push and pull are EQUAL on a double-rod cylinder — both chambers lose the rod area, so effective area = (bore² − rod²) each way. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
Model Code: Airtac SCD Standard Cylinder SCD160X450
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 160 | Bore size in mm. |
| ×450 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCJ (adjustable stroke), SCT (multi-position). SCD mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCD Standard Cylinder SCD160X450 Is Used
Bidirectional Shuttle Tables
The equal push/pull force of the double-rod design makes it ideal for shifting heavy pallets or fixtures between two stations with identical speed and power in both directions.
Dual-End Tooling Actuation
Mount a pressing tool on the front rod and a stripper plate or secondary operation tool on the rear rod, allowing two work steps from a single cylinder stroke without asymmetric force.
Non-Rotating Pusher Drives
The through-rod provides inherent anti-rotation stability, guiding a wide pusher bar or alignment fixture in a straight line without the need for an external rod guide in low-side-load scenarios.
Is the Airtac SCD Standard Cylinder SCD160X450 the Right Cylinder?
Choose the SCD160X450 when your mechanism requires equal force and speed for both extension and retraction, such as a dual-sided lift or a shuttle table where tooling is mounted on both rod ends. If your load requires slightly less force, consider stepping down to the SCD125 bore, which provides 5734 N at 0.5 MPa. For applications needing more thrust, the SCD200 bore offers 15080 N at the same pressure. If you only need to push a load in one direction and retract with minimal force, the single-rod SC160 series is a more economical and compact alternative.
For strokes of 450 mm, be mindful of the unsupported rod length when the cylinder is fully extended, as excessive side loading can cause rod bending or premature bearing wear. If your application involves off-axis loads, pair this cylinder with an external guide rail or upgrade to a guided cylinder assembly. As a direct replacement, this unit matches any existing AirTAC SCD160X450 with the same PT port thread, basic mounting, and no magnet, ensuring a drop-in fit without modifying your machine's bracketry.
Double-rod checklist
- ✓ Need equal force / speed both directions?
- ✓ Rear rod for tooling, stopper or sensor flag?
- ✓ Better rod guidance / anti-rotation?
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Keep BOTH rod ends clear of side load and interference.
- check Adjust end cushion screws for smooth stops.
- check Use SCD mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCD Standard Cylinder SCD160X450 FAQ
Because the piston rod passes through both ends of the cylinder, the effective pressure area is identical for both the push and pull strokes. The theoretical force at 0.5 MPa is 9425 N, at 0.7 MPa it is 13194 N, and at the maximum operating pressure of 0.9 MPa it reaches 16964 N. Both directions produce the same force.
Select the SCD160 when your application requires perfectly equal force and speed in both directions, or when you need to mount tooling, a sensor flag, or a mechanical stop on the rear rod. The single-rod SC160 will have a higher push force due to the full piston area but a lower pull force, making it unsuitable for tasks demanding symmetric thrust.
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