Airtac SCD Standard Cylinder SCD80X150STC
The AirTAC Airtac SCD Standard Cylinder SCD80X150STC 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 SCD80X150STC
The SCD80X150STC is a double-acting, double-rod pneumatic cylinder that delivers perfectly symmetrical force in both directions, outputting 2268 N of push and pull at 0.5 MPa. Its 25 mm diameter rod extends from both ends, providing a rear attachment point for stroke sensors or secondary tooling while naturally resisting rotation better than a single-rod design.
This specific model includes a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG sensors and a centre trunnion mount (TC) with the TCM1 bracket (F-SC80TC), ideal for pivoting applications. With a 150 mm stroke, it operates within the standard range for the 80 mm bore, using a 28 mm adjustable air cushion at each end to decelerate the piston smoothly.
Airtac SCD Standard Cylinder SCD80X150STC Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD80X150STC |
|---|---|
| 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 SCD80X150STC
| 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 SCD80X150STC Is Used
Reciprocating Transfer Shuttles
The equal force and speed in both directions make the SCD80 ideal for shuttling parts between two fixed stations, ensuring consistent cycle times regardless of travel direction.
Dual-Sided Actuation
With a rod on each end, one side can push a workpiece while the rear rod actuates a secondary mechanism or triggers a limit switch, simplifying complex sequential tooling.
Anti-Rotation Pushers
The twin-rod construction provides inherent resistance to rod rotation, making it a solid choice for pushing loads where maintaining a fixed tool orientation is critical without adding an external guide.
Is the Airtac SCD Standard Cylinder SCD80X150STC the Right Cylinder?
Choose the SCD80 bore when your application needs roughly 2268 N of balanced force at standard plant pressure. If you can accept slightly lower force in a more compact package, the 63 mm bore delivers 1402 N. For heavier dual-sided tooling, stepping up to the 100 mm bore provides 3681 N. This double-rod unit is the right choice over a single-rod SC when you need a rear rod for a stopper bolt, a sensor flag, or to balance the bearing load, but remember that a through-rod alone does not make it a guided cylinder for heavy side loads. For a direct replacement, match the 80 mm bore, 150 mm stroke, PT port thread, centre trunnion (TC) mounting, and the integrated magnet sensor 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 SCD80X150STC FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa it outputs 2268 N, at 0.7 MPa it delivers 3175 N, and at the maximum operating pressure of 0.9 MPa, the force reaches 4082 N in both directions.
You would choose the SCD when you need a rear rod extension for mounting a sensor flag, a mechanical stop, or secondary tooling. It also provides better guidance and anti-rotation than a single-rod cylinder, and the equal piston area on both sides guarantees identical speed and force in push and pull strokes.
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