Airtac SCD Standard Cylinder SCD100X800TC
The AirTAC Airtac SCD Standard Cylinder SCD100X800TC 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, 800mm stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Rod (both ends)Ø25 mm
- Stroke800 mm
- Port sizePT1/2
- Rod configDouble rod (through)
- CushionAdjustable, 29 mm
About the Airtac SCD Standard Cylinder SCD100X800TC
The SCD100X800TC is a double-acting, double-rod pneumatic cylinder that delivers identical force in both directions—3681 N at 0.5 MPa—because the 25 mm rod passes through both end caps. This 800 mm stroke model is supplied with a centre trunnion (TC) mount, making it ideal for pivoting applications where the cylinder body needs to swing. The tie-rod construction houses adjustable air cushioning (29 mm length) to decelerate the piston smoothly at each end of travel.
With a 100 mm bore, this cylinder provides a theoretical maximum force of 751 kgf at 1.0 MPa. The through-rod design offers superior guidance compared to a single-rod cylinder and allows tooling or sensors to be mounted on the rear rod end. Operating on filtered air from 0.15 to 1.0 MPa, it is a robust solution for symmetrical, two-sided actuation tasks in industrial automation.
Airtac SCD Standard Cylinder SCD100X800TC Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD100X800TC |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø100 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 800 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 SCD100X800TC
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 100 | Bore size in mm. |
| ×800 | 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 SCD100X800TC Is Used
Reciprocating Shuttle Tables
The equal force and speed in both directions make the SCD100X800TC perfect for shuttle tables that transfer parts between two stations, ensuring consistent cycle times regardless of travel direction.
Two-Sided Actuation & Tooling
With a rod protruding from both ends, one side can push a workpiece while the rear rod carries a secondary tool, stripper plate, or a sensor flag for end-of-stroke confirmation.
Pivoting Diverter Gates
The centre trunnion mount allows this 800 mm stroke cylinder to pivot freely, making it ideal for actuating diverter gates on conveyor systems where the cylinder body must swing through an arc.
Is the Airtac SCD Standard Cylinder SCD100X800TC the Right Cylinder?
Choose the SCD100 bore when your application needs around 3681 N of balanced force at standard plant pressure. If you require less force, stepping down to an SCD80 will give you 2268 N at 0.5 MPa. For higher thrust, the SCD125 provides 5734 N. This TC variant includes the centre trunnion bracket (F-SC100TC) and is the correct pick when the cylinder must pivot during its stroke. If your load is purely linear without pivoting, a basic or foot-mounted (LB) SCD100 would be a simpler choice.
For an 800 mm stroke, always assess the unsupported rod length under compression. While the double-rod design improves rod alignment, significant side loads at full extension can cause bending. In such cases, an external guide rail or a dedicated guided cylinder is a safer design than relying on the cylinder's rod bearings alone. As a direct replacement, match the 100 mm bore, 800 mm stroke, PT port thread, TC mount, 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 SCD100X800TC 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.
Pick the SCD when you need perfectly symmetrical force and speed in both directions, or when you require a rear rod extension to mount tooling, a mechanical stop, or a position sensor. The dual-rod design also provides better resistance to rod deflection than a single-rod cylinder of the same bore.
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