Airtac SCD Standard Cylinder SCD160X900
The AirTAC Airtac SCD Standard Cylinder SCD160X900 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, 900mm stroke, PT3/4 ports and adjustable end cushioning.
- BoreØ160 mm
- Rod (both ends)Ø40 mm
- Stroke900 mm
- Port sizePT3/4
- Rod configDouble rod (through)
- CushionAdjustable, 29 mm
About the Airtac SCD Standard Cylinder SCD160X900
The AirTAC SCD160X900 is a double-acting, double-rod pneumatic cylinder engineered for applications demanding identical force and speed in both directions. With a 160 mm bore and a 40 mm rod passing through both end caps, it provides a balanced 9425 N of thrust each way at 0.5 MPa, making it ideal for heavy-duty, two-sided tooling or symmetrical transfer mechanisms.
This tie-rod cylinder features a 900 mm stroke and adjustable air cushioning at both ends, with a 29 mm cushion length to decelerate large inertial loads smoothly. The body length A(SCD) is 352 mm, and the overall retracted length is longer than a single-rod SC due to the rod protruding from the rear cap. It operates on 40 µm filtered air from 0.15 to 1.0 MPa and uses a PT3/4 port.
Airtac SCD Standard Cylinder SCD160X900 Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD160X900 |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 900 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 SCD160X900
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 160 | Bore size in mm. |
| ×900 | 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 SCD160X900 Is Used
Two-Sided Welding Fixtures
The equal push-pull force of 9425 N at 0.5 MPa allows identical clamping pressure from both sides of a welding station, using the front and rear rod ends to actuate opposing clamps simultaneously.
Heavy Pallet Transfer
Drives a shuttle table for 900 mm pallet transfers, where the rear rod can carry a counterbalance or a second set of position sensors, ensuring symmetric loading on the piston bearings.
Material Straightening Press
Applies a controlled 2523 N of force at 0.9 MPa from both ends to straighten large profiles, using the through-rod design to mount tooling on either side of the cylinder body.
Is the Airtac SCD Standard Cylinder SCD160X900 the Right Cylinder?
Select the SCD160X900 when your mechanism requires a rear rod end for mounting a stopper, sensor flag, or secondary tooling, and you need the same high force on the return stroke. If your load requires less force, the SCD125 bore delivers 5734 N at 0.5 MPa, while the SCD200 steps up to 15080 N. For purely single-sided pushing, a single-rod SC160 may be a simpler choice. At this 900 mm stroke, ensure the dual-rod assembly is not subjected to significant side load; the through-rod improves guidance but does not replace a dedicated guided cylinder or external linear rail for cantilevered loads. A genuine AirTAC replacement must match the 160 mm bore, 900 mm stroke, PT3/4 port thread, basic mounting, and the absence of a magnet option.
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 SCD160X900 FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. The effective piston area is calculated by subtracting the 40 mm rod area from the 160 mm bore area. The force is 9425 N at 0.5 MPa, 13194 N at 0.7 MPa, and 16964 N at the maximum operating pressure of 0.9 MPa.
Choose the SCD160 when you need to attach tooling or sensors to a rear rod, require perfectly equal force and speed in both directions, or want the improved bearing support a through-rod provides against side loads. If you only need to push in one direction and want a more compact cylinder, the single-rod SC160 is the better fit.
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