Airtac SCD Standard Cylinder SCD80X150S
The AirTAC Airtac SCD Standard Cylinder SCD80X150S is a genuine double-acting DOUBLE-ROD air cylinder: the Ø25mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø80mm bore, 150mm stroke, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Rod (both ends)Ø25 mm
- Stroke150 mm
- Port sizePT3/8
- Rod configDouble rod (through)
- CushionAdjustable, 28 mm
About the Airtac SCD Standard Cylinder SCD80X150S
The AirTAC SCD80X150S delivers a balanced 2268 N of force in both directions at 0.5 MPa, thanks to its double-rod design where the 25 mm rod passes through both end caps. This symmetry eliminates force differential, making it ideal for tasks requiring identical speed and thrust on extend and retract, such as operating a dual-sided tooling plate or a transfer shuttle that must not drift.
Equipped with a built-in magnet, this model accepts CMSG, DMSG, or EMSG sensors directly on the tie-rod barrel for precise, non-contact end-of-stroke detection. With a body length of 257 mm and an adjustable air cushion of 28 mm, it decelerates loads smoothly, while the PT3/8 ports and M20x1.5 rod thread ensure straightforward pneumatic connections.
Airtac SCD Standard Cylinder SCD80X150S Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD80X150S |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø80 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 150 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 28 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 (Ø80mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | 3175 N |
| Max (@1.0 MPa) | 463 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 SCD80X150S
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 80 | Bore size in mm. |
| ×150 | 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 SCD80X150S Is Used
Dual-Sided Actuation
Operates tooling or fixtures on both ends of the rod simultaneously, such as a two-station pick-and-place where the same cylinder moves a gripper on the front and a counterweight or second gripper on the rear.
Transfer Shuttles
Pushes a shuttle or carriage in both directions with equal force, ensuring smooth, consistent motion in material handling systems where the load is attached to the rear rod end.
Rear-Mounted Sensing
The built-in magnet and through-rod allow mounting a sensor flag or cam on the rear rod end for stroke confirmation in tight spaces where the front rod is inaccessible.
Is the Airtac SCD Standard Cylinder SCD80X150S the Right Cylinder?
Choose the SCD80X150S when your application demands equal force in both directions without the complexity of external guides for light, symmetric loads. If you require higher thrust, the SCD100 bore steps up to 3681 N at 0.5 MPa. For single-rod applications where push force is the priority and pull force can be lower, the SC80 series is a more compact alternative. To replace an existing unit, match the 80 mm bore, 150 mm stroke, PT port thread, basic mounting, and the -S magnet option; the SCD is a direct dimensional swap only for another AirTAC SCD double-rod cylinder.
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 SCD80X150S FAQ
The push and pull forces are identical at 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at the maximum operating pressure of 0.9 MPa, because the 25 mm rod area is subtracted from both sides of the piston.
Select the SCD when you need equal speed and force in both directions, or when you must mount tooling, a stopper, or a sensor flag on the rear rod. The through-rod also provides better guidance and anti-rotation than a single-rod cylinder, but for high side loads, a dedicated guided cylinder is still required.
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