Airtac SCD Standard Cylinder SCD100X75TC
The AirTAC Airtac SCD Standard Cylinder SCD100X75TC 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. Ø100mm bore, 75mm stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Rod (both ends)Ø25 mm
- Stroke75 mm
- Port sizePT1/2
- Rod configDouble rod (through)
- CushionAdjustable, 29 mm
About the Airtac SCD Standard Cylinder SCD100X75TC
This SCD100X75TC is a double-acting, double-rod pneumatic cylinder configured with a centre trunnion (TC) mount, making it ideal for applications where the cylinder body needs to pivot. The through-rod design ensures the effective piston area is identical on both sides, delivering a balanced 3681 N of force in both the extend and retract strokes when operated at 0.5 MPa.
With a 100 mm bore and a 25 mm rod protruding from both end caps, the cylinder provides inherent anti-rotation and can carry tooling or sensor flags on the rear rod. The adjustable air cushion at each end, with a 29 mm cushion length, decelerates the piston smoothly, while the PT1/2 ports handle the high flow needed for this force class. The body length A(SCD) is 263 mm.
Airtac SCD Standard Cylinder SCD100X75TC Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD100X75TC |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø100 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 75 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT1/2 |
| 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, 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 (Ø100mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | 5154 N |
| Max (@1.0 MPa) | 751 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 SCD100X75TC
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 100 | Bore size in mm. |
| ×75 | 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 SCD100X75TC Is Used
Pivoting Transfer Mechanism
The TC centre trunnion mount allows the entire cylinder body to swing, making it perfect for transfer arms that need to move a load through an arc with equal force in both directions.
Dual-Sided Tooling Actuation
With a rod extending from both ends, you can mount a primary tool on the front and a counter-support or secondary operation tool on the rear, all driven by one synchronized, balanced motion.
Non-Rotating Pusher Station
The dual-rod design provides superior guidance compared to a single-rod cylinder, helping to prevent rotation of a pusher plate without needing an external guide for light, well-aligned loads.
Is the Airtac SCD Standard Cylinder SCD100X75TC the Right Cylinder?
Choose the SCD100 bore when your application requires around 3681 N of balanced force at 0.5 MPa. If you need less force, stepping down to an SCD80 provides 2268 N, which may be sufficient and offers a smaller footprint. This centre-trunnion (TC) model, which ships with the TCM1 bracket (order code F-SC100TC), is the correct choice for pivoting loads, whereas a foot-mounted LB or flange-mounted FA version would be better for fixed, linear installations. For direct replacement, match the 100 mm bore, 75 mm stroke, PT port thread, TC mounting, and 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 SCD100X75TC FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa it outputs 3681 N, at 0.7 MPa it's 5153 N, and at the maximum operating pressure of 0.9 MPa it reaches 6626 N.
Choose the SCD when you need equal force and speed in both directions, or when you need to use the rear rod for mounting a sensor cam, a stroke adjustment stopper, or secondary tooling. The through-rod also provides better guidance and anti-rotation than a single-rod cylinder, though it is not a replacement for a fully guided unit under high side loads.
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