Airtac SCD Standard Cylinder SCD80X150
The AirTAC Airtac SCD Standard Cylinder SCD80X150 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 SCD80X150
The SCD80X150 double-rod pneumatic cylinder provides an identical 2268 N of force in both directions at 0.5 MPa, thanks to its through-rod design that subtracts the same 25 mm rod area from each side. This symmetry makes it ideal for applications where balanced speed and thrust are critical, such as operating two tools from opposite ends of the same actuator. The 150 mm stroke is well within the 1500 mm maximum for this bore, and the body length A(SCD) is a compact 257 mm.
Both ends of the cylinder feature the 25 mm diameter rod, which improves bearing support and provides natural anti-rotation compared to a single-rod design. The adjustable air cushion at each end, with a 28 mm cushion length, decelerates the piston smoothly to reduce end-of-stroke impact. This model uses the standard PT3/8 port and M20x1.5 rod thread, operating on filtered air from 0.15 to 1.0 MPa across a temperature range of -20 to +70 °C.
Airtac SCD Standard Cylinder SCD80X150 Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD80X150 |
|---|---|
| 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 SCD80X150
| 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 SCD80X150 Is Used
Bi-Directional Transfer Shuttles
The equal push/pull force of 2268 N at 0.5 MPa makes this cylinder perfect for shuttling a workpiece or fixture between two stations, providing identical acceleration and deceleration profiles in both directions.
Dual-Sided Staking or Pressing
Mount a tool on each of the two 25 mm rods to perform simultaneous pressing, staking, or crimping operations on opposite sides of a part, ensuring perfectly synchronized actuation from a single cylinder.
Non-Rotating Pusher with Rear Flag
The through-rod provides inherent anti-rotation for a front pusher plate, while the rear rod extension can be fitted with a cam or flag to trigger external limit switches for precise end-of-stroke sensing.
Is the Airtac SCD Standard Cylinder SCD80X150 the Right Cylinder?
This 80 mm bore SCD is a strong mid-range choice for dual-sided tooling. If your force requirement is lower, stepping down to the SCD63 bore reduces the output to 1402 N at 0.5 MPa. For significantly higher force, the SCD100 bore provides 3681 N. Remember that a double-rod cylinder is not a guided cylinder; if your 150 mm stroke application involves any side load, you must add an external guide rail to protect the rod bearings from premature wear.
When replacing an existing unit, ensure a perfect match across five points: the 80 mm bore, 150 mm stroke, PT3/8 port thread, the specific SCD mounting accessory (this is a basic mount model, so no brackets are included), and the absence of a magnet. Using a different mounting style or omitting a required magnet will prevent proper installation.
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 SCD80X150 FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. 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. The theoretical force at 1.0 MPa is 463 kgf.
Choose the SCD when you need perfectly balanced force and speed in both directions, or when you need to mount a tool, sensor, or stop on a rear rod. The through-rod design also provides better guidance and inherent anti-rotation than a single-rod SC cylinder, making it suitable for applications where rod twist must be prevented without adding external guides.
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