Airtac SCD Standard Cylinder SCD80X950TC
The AirTAC Airtac SCD Standard Cylinder SCD80X950TC 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, 950mm stroke, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Rod (both ends)Ø25 mm
- Stroke950 mm
- Port sizePT3/8
- Rod configDouble rod (through)
- CushionAdjustable, 28 mm
About the Airtac SCD Standard Cylinder SCD80X950TC
The SCD80X950TC is a double-acting, double-rod pneumatic cylinder that provides perfectly symmetrical force output in both directions, calculated at 2268 N at 0.5 MPa. Because the 25 mm rod passes through both end caps, the effective piston area is identical on the push and pull strokes, making it ideal for applications where balanced speed and thrust are critical. This model includes a TC centre trunnion mount for pivoting motion, with a body length A(SCD) of 257 mm.
With a 950 mm stroke, this cylinder is well-suited for long-transfer tasks, and the through-rod design offers superior guidance compared to a single-rod cylinder. The adjustable air cushion at each end, with a 28 mm cushion length, decelerates the piston smoothly to reduce end-of-stroke impact. Operating on filtered air from 0.15 to 1.0 MPa, the SCD80X950TC is a robust workhorse for demanding industrial automation.
Airtac SCD Standard Cylinder SCD80X950TC Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD80X950TC |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø80 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 950 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 SCD80X950TC
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 80 | Bore size in mm. |
| ×950 | 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 SCD80X950TC Is Used
Reciprocating Shuttle Tables
The equal push/pull force of 2268 N at 0.5 MPa ensures a shuttle table moves with the same speed and power in both directions, preventing load shifting during bidirectional transfers.
Dual-Sided Tooling Actuation
Mount a tool or sensor bracket on the rear rod while the front rod performs the primary work, using the through-rod to trigger limit switches or operate a secondary mechanism in sync.
Pivoting Long-Stroke Pushers
The TC centre trunnion mount allows the 950 mm stroke cylinder to swing as it pushes product onto a perpendicular conveyor, accommodating the arc of motion without side-loading the rod bearings.
Is the Airtac SCD Standard Cylinder SCD80X950TC the Right Cylinder?
Select the SCD80 bore when your application requires around 2268 N of balanced force at standard plant pressure. If you need a more compact solution and can accept roughly 1402 N, step down to the SCD63; for heavier loads up to 3681 N, the SCD100 is the next logical step. This TC variant is specifically for applications where the cylinder body must pivot during its stroke, supplied with the TCM1 bracket.
For a 950 mm stroke, carefully assess the potential for rod bending under compressive load. The double-rod design offers better support than a single-rod cylinder, but it is not a guided cylinder. If significant side loads are present, an external guide rail or a dedicated guided cylinder is mandatory to prevent premature seal and bearing wear. As a direct replacement, match the 80 mm bore, 950 mm stroke, PT port thread, TC centre trunnion mounting, and the absence of a magnet.
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 SCD80X950TC FAQ
The push and pull forces are identical due to the double-rod design. The force is 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at the maximum operating pressure of 0.9 MPa.
Choose the SCD80 when you need perfectly balanced force and speed in both directions, or when you need to utilize the rear rod end for mounting a sensor flag, a mechanical stop, or secondary tooling. The through-rod also provides better bearing support and inherent anti-rotation compared to a single-rod cylinder.
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